Part 90 Test Report

FCC ID: ZNFQ720AM

Test Report

Download: PDF
FCCID_4397462

                                          PCTEST ENGINEERING LABORATORY, INC.
                                                        7185 Oakland Mills Road, COLUMBIA, MD 21046 USA
                                                               Tel. 410.290.6652 / Fax 410.290.6654
                                                                       http://www.pctest.com

                                                                 MEASUREMENT REPORT
                                                                                     FCC Part 90

    Applicant Name:                                                                              Date of Testing:
    LG Electronics USA, Inc.                                                                     7/8 - 8/2/2019
    1000 Sylvan Avenue                                                                           Test Site/Location:
    Englewood Cliffs, NJ 07632                                                                   PCTEST Lab. Columbia, MD, USA
    United States                                                                                Test Report Serial No.:
                                                                                                 1M1907080114-04-R1.ZNF


    FCC ID:                                                            ZNFQ720AM
    APPLICANT:                                                         LG Electronics USA, Inc.




    Application Type:                                                  Certification
    Model:                                                             LM-Q720AM
    Additional Model(s):                                               LMQ720AM, Q720AM
    EUT Type:                                                          Portable Handset
    FCC Classification:                                                PCS Licensed Transmitter Held to Ear (PCE)
    FCC Rule Part:                                                     §2.1049, §90(R)
    Test Procedure(s):                                                 ANSI C63.26-2015, ANSI/TIA-603-E-2016, KDB 971168 D01 v03r01




    This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement
    report and was tested in accordance with the measurement procedures specified in §2.947. Test results reported herein relate only to the
    item(s) tested.

    Note: This revised Test Report (S/N: 1M1907080114-04-R1.ZNF) supersedes and replaces the previously issued test report on the
    same subject device for the same type of testing as indicated. Please discard or destroy the previously issued test report(s) and
    dispose of it accordingly.




                                                                                 MEASUREMENT REPORT                                                              Approved by:
 FCC ID: ZNFQ720AM
                                                                                    (CERTIFICATION)                                                              Quality Manager
 Test Report S/N:                      Test Dates:                     EUT Type:
                                                                                                                                                                 Page 1 of 32
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© 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


                                               T A B L E                        O F             C O N T E N T S

1.0          INTRODUCTION ........................................................................................................................................... 4
             1.1        Scope ................................................................................................................................................................. 4
             1.2        PCTEST Test Location....................................................................................................................................... 4
             1.3        Test Facility / Accreditations ............................................................................................................................... 4
2.0          PRODUCT INFORMATION ........................................................................................................................... 5
             2.1        Equipment Description ....................................................................................................................................... 5
             2.2        Device Capabilities ............................................................................................................................................. 5
             2.3        Test Configuration .............................................................................................................................................. 5
             2.4        EMI Suppression Device(s)/Modifications .......................................................................................................... 5
3.0          DESCRIPTION OF TESTS ........................................................................................................................... 6
             3.1        Evaluation Procedure ......................................................................................................................................... 6
             3.2        Radiated Power and Radiated Spurious Emissions ........................................................................................... 6
4.0          MEASUREMENT UNCERTAINTY ................................................................................................................ 7
5.0          TEST EQUIPMENT CALIBRATION DATA ................................................................................................... 8
6.0          SAMPLE CALCULATIONS ........................................................................................................................... 9
7.0          TEST RESULTS .......................................................................................................................................... 10
             7.1        Summary .......................................................................................................................................................... 10
             7.2        Occupied Bandwidth ........................................................................................................................................ 11
             7.3        Spurious and Harmonic Emissions at Antenna Terminal ................................................................................. 14
             7.4        Band Edge Emissions at Antenna Terminal ..................................................................................................... 17
             7.5        Radiated Power (ERP) ..................................................................................................................................... 22
             7.6        Radiated Spurious Emissions Measurements .................................................................................................. 24
             7.7        Frequency Stability / Temperature Variation .................................................................................................... 29
8.0          CONCLUSION ............................................................................................................................................. 32




                                                                                 MEASUREMENT REPORT                                                                 Approved by:
 FCC ID: ZNFQ720AM
                                                                                    (CERTIFICATION)                                                                 Quality Manager
 Test Report S/N:                      Test Dates:                     EUT Type:
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© 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


                                                           MEASUREMENT REPORT
                                                                                   FCC Part 90

                                                                                                    Max.              Max.
                                           Tx Frequency                                                                                    Emission
                Mode                                                    Measurement                Power             Power                                           Modulation
                                               (MHz)                                                                                      Designator
                                                                                                    (W)              (dBm)
          LTE Band 14                      790.5 - 795.5                        ERP       0.085                       19.30               4M52G7D                       QPSK
          LTE Band 14                      790.5 - 795.5                        ERP       0.060                       17.75               4M53W7D                      16-QAM
          LTE Band 14                          793                              ERP       0.073                       18.64               8M99G7D                       QPSK
          LTE Band 14                          793                              ERP       0.051                       17.11               9M01W7D                      16-QAM
                                                                                 EUT Overview




                                                                                 MEASUREMENT REPORT                                                              Approved by:
 FCC ID: ZNFQ720AM
                                                                                    (CERTIFICATION)                                                              Quality Manager
 Test Report S/N:                      Test Dates:                     EUT Type:
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© 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


1.0           INTRODUCTION

 1.1           Scope
 Measurement and determination of electromagnetic emissions (EMC) of radio frequency devices including
 intentional and/or unintentional radiators for compliance with the technical rules and regulations of the Federal
 Communications Commission and the Innovation, Science and Economic Development Canada.

 1.2           PCTEST Test Location
 These measurement tests were conducted at the PCTEST Engineering Laboratory, Inc. facility located at 7185
 Oakland Mills Road, Columbia, MD 21046. The measurement facility is compliant with the test site requirements
 specified in ANSI C63.4-2014 and KDB 414788 D01 v01.

 1.3           Test Facility / Accreditations
 Measurements were performed at PCTEST Engineering Lab located in Columbia, MD 21046, U.S.A.

 •     PCTEST is an ISO 17025-2005 accredited test facility under the American Association for Laboratory
       Accreditation (A2LA) with Certificate number 2041.02 for Specific Absorption Rate (SAR), Hearing Aid
       Compatibility (HAC) testing, where applicable, and Electromagnetic Compatibility (EMC) testing for FCC and
       Innovation, Science, and Economic Development Canada rules.

 •     PCTEST TCB is a Telecommunication Certification Body (TCB) accredited to ISO/IEC 17065-2012 by A2LA
       (Certificate number 2041.03) in all scopes of FCC Rules and ISED Standards (RSS).

 •     PCTEST facility is a registered (2451B) test laboratory with the site description on file with ISED.




                                                                                  MEASUREMENT REPORT                                                              Approved by:
  FCC ID: ZNFQ720AM
                                                                                     (CERTIFICATION)                                                              Quality Manager
  Test Report S/N:                      Test Dates:                     EUT Type:
                                                                                                                                                                  Page 4 of 32
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 © 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
 microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
 rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


2.0           PRODUCT INFORMATION

 2.1           Equipment Description
 The Equipment Under Test (EUT) is the LG Portable Handset FCC ID: ZNFQ720AM. The test data contained in
 this report pertains only to the emissions due to the EUT’s licensed transmitters that operate under the provisions
 of Part and 90(R).

 Test Device Serial No.: 06852, 06845, 06910, 06902

 2.2           Device Capabilities
 This device contains the following capabilities:

 850/1900 GSM/GPRS/EDGE, 850/1700/1900 WCDMA/HSPA, Multi-band LTE, 802.11b/g/n WLAN, 802.11a/n/ac
 UNII, Bluetooth (1x, EDR, LE), NFC

 2.3              Test Configuration
 The EUT was tested per the guidance of ANSI/TIA-603-E-2016 and KDB 971168 D01 v03r01. See Section 7.0 of
 this test report for a description of the radiated and antenna port conducted emissions tests.


 2.4           EMI Suppression Device(s)/Modifications
 No EMI suppression device(s) were added and no modifications were made during testing.




                                                                                  MEASUREMENT REPORT                                                              Approved by:
  FCC ID: ZNFQ720AM
                                                                                     (CERTIFICATION)                                                              Quality Manager
  Test Report S/N:                      Test Dates:                     EUT Type:
                                                                                                                                                                  Page 5 of 32
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 © 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
 microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
 rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


3.0           DESCRIPTION OF TESTS

 3.1           Evaluation Procedure
 The measurement procedures described in the document titled “Land Mobile FM or PM – Communications
 Equipment – Measurements and Performance Standards” (ANSI/TIA-603-E-2016) and “Procedures for Compliance
 Measurement of the Fundamental Emission Power of Licensed Wideband (> 1 MHz) Digital Transmission Systems”
 (KDB 971168 D01 v03r01) were used in the measurement of the EUT.

 3.2           Radiated Power and Radiated Spurious Emissions
 §2.1053, §90(R)
 The radiated test facilities consisted of an indoor 3 meter semi-anechoic chamber used for final measurements and
 exploratory measurements, when necessary. The measurement area is contained within the semi-anechoic
 chamber which is shielded from any ambient interference. The test site inside the chamber is a 6m x 5.2m elliptical,
 obstruction-free area in accordance with Figure 5.7 of Clause 5 in ANSI C63.4-2014. Absorbers are arranged on
 the floor between the turn table and the antenna mast in such a way so as to maximize the reduction of reflections
 for measurements above 1GHz. For measurements below 1GHz, the absorbers are removed. A raised turntable is
 used for radiated measurement. The turn table is a continuously rotatable, remote-controlled, metallic turntable and
 2 meters (6.56 ft.) in diameter. The turn table is flush with the raised floor of the chamber in order to maintain its
 function as a ground plane. An 80cm tall test table made of Styrodur is placed on top of the turn table. A Styrodur
 pedestal is placed on top of the test table to bring the total table height to 1.5m.
 The equipment under test was transmitting while connected to its integral antenna and is placed on a wooden
 turntable 80cm above the ground plane and 3 meters from the receive antenna. The receive antenna height is
 adjusted between 1 and 4 meter height, the turntable is rotated through 360 degrees, and the EUT is manipulated
 through all orthogonal planes representative of its typical use to achieve the highest reading on the receive spectrum
 analyzer. Radiated power levels are also investigated with the receive antenna horizontally and vertically polarized.
 The maximized power level is recorded using the spectrum analyzer “Channel Power” function with the integration
 band set to the emissions’ occupied bandwidth, a RMS detector, RBW = 100kHz, VBW = 300kHz, and a 1 second
 sweep time over a minimum of 10 sweeps, per the guidelines of KDB 971168 D01 v03r01.
 Per the guidance of ANSI/TIA-603-E-2016, a half-wave dipole is then substituted in place of the EUT. For emissions
 above 1GHz, a horn antenna is substituted in place of the EUT. The substitute antenna is driven by a signal
 generator with the level of the signal generator being adjusted to obtain the same receive spectrum analyzer level
 previously recorded from the spurious emission from the EUT. The power of the emission is calculated using the
 following formula:
                                                   Pd [dBm] = Pg [dBm] – cable loss [dB] + antenna gain [dBd/dBi]
 Where, Pd is the dipole equivalent power, Pg is the generator output into the substitution antenna, and the antenna
 gain is the gain of the substitute antenna used relative to either a half-wave dipole (dBd) or an isotropic source
 (dBi). The substitute level is equal to Pg [dBm] – cable loss [dB].

 For fundamental radiated power measurements, the guidance of KDB 971168 D01 v03r01 is used to record the
 EUT power level that is subsequently matched via the aforementioned substitution method given in ANSI/TIA-603-
 E-2016.

 All radiated measurements are performed in a chamber that meets the site requirements per ANSI C63.4-2014.
 Additionally, radiated emissions below 30MHz are also validated on an Open Area Test Site to assert correlation
 with the chamber measurements per the requirements of KDB 474788 D01.




                                                                                  MEASUREMENT REPORT                                                              Approved by:
  FCC ID: ZNFQ720AM
                                                                                     (CERTIFICATION)                                                              Quality Manager
  Test Report S/N:                      Test Dates:                     EUT Type:
                                                                                                                                                                  Page 6 of 32
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 © 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
 microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
 rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


4.0           MEASUREMENT UNCERTAINTY

 The measurement uncertainties shown below were calculated in accordance with the requirements of
 ANSI C63.4-2014. All measurement uncertainty values are shown with a coverage factor of k = 2 to indicate a 95%
 level of confidence. The measurement uncertainty shown below meets or exceeds the UCISPR measurement
 uncertainty values specified in CISPR 16-4-2 and, thus, can be compared directly to specified limits to determine
 compliance.


                                                   Contribution                                        Expanded Uncertainty (±dB)

                                            Conducted Bench Top
                                                                                                                             1.13
                                               Measurements
                                     Radiated Disturbance (<1GHz)                                                            4.98

                                     Radiated Disturbance (>1GHz)                                                            5.07

                                    Radiated Disturbance (>18GHz)                                                            5.09




                                                                                  MEASUREMENT REPORT                                                              Approved by:
  FCC ID: ZNFQ720AM
                                                                                     (CERTIFICATION)                                                              Quality Manager
  Test Report S/N:                      Test Dates:                     EUT Type:
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 © 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
 microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
 rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


5.0            TEST EQUIPMENT CALIBRATION DATA

Test Equipment Calibration is traceable to the National Institute of Standards and Technology (NIST).
Measurements antennas used during testing were calibrated in accordance to the requirements of ANSI C63.5-
2017.




                                                                      Table 5-1. Test Equipment

  Notes:

        1. For equipment listed above that has a calibration date or calibration due date that falls within the test date
           range, care was taken to ensure that this equipment was used after the calibration date and before the
           calibration due date.

        2. Equipment with a calibration date of “N/A” shown in this list was not used to make direct calibrated
           measurements.




                                                                                   MEASUREMENT REPORT                                                              Approved by:
   FCC ID: ZNFQ720AM
                                                                                      (CERTIFICATION)                                                              Quality Manager
   Test Report S/N:                      Test Dates:                     EUT Type:
                                                                                                                                                                   Page 8 of 32
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  © 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
  All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
  microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
  rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


6.0           SAMPLE CALCULATIONS

 Emission Designator
 QPSK Modulation

        Emission Designator = 8M62G7D

        LTE BW = 8.62 MHz
        G = Phase Modulation
        7 = Quantized/Digital Info
        D = Data transmission, telemetry, telecommand

 16QAM Modulation

        Emission Designator = 8M45W7D

        LTE BW = 8.45 MHz
        W = Amplitude/Angle Modulated
        7 = Quantized/Digital Info
        D = Data transmission, telemetry, telecommand

 Spurious Radiated Emission – LTE Band
 Example: Middle Channel LTE Mode 2nd Harmonic (1564 MHz)

 The average spectrum analyzer reading at 3 meters with the EUT on the turntable was –81.0 dBm. The gain of the
 substituted antenna is 8.1 dBi. The signal generator connected to the substituted antenna terminals is adjusted to
 produce a reading of –81.0 dBm on the spectrum analzyer. The loss of the cable between the signal generator and
 the terminals of the substituted antenna is 2.0 dB at 1564 MHz. So 6.1 dB is added to the signal generator reading
 of –30.9 dBm yielding –24.80 dBm. The fundamental EIRP was 25.501 dBm so this harmonic was 25.501 dBm –
 (-24.80).




                                                                                  MEASUREMENT REPORT                                                              Approved by:
  FCC ID: ZNFQ720AM
                                                                                     (CERTIFICATION)                                                              Quality Manager
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 © 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
 microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
 rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


7.0           TEST RESULTS

 7.1            Summary

             Company Name:                          LG Electronics USA, Inc.
             FCC ID:                                ZNFQ720AM
             FCC Classification:                    PCS Licensed Transmitter Held to Ear (PCE)
             Mode(s):                               LTE
             Band:                                  Band 14



             FCC Part                                                                                                          Test                 Test
                                          Test Description                                 Test Limit                                                              Reference
             Section(s)                                                                                                      Condition             Result

           2.1049                   Occupied Bandwidth                        N/A                                                                   PASS            Section 7.2

                                                                              On any frequency between 775-
           2.1051                                                             788 MHz, above 805 MHz, and
                                    Conducted Band Edge /                                                                                                            Sections
           90(S)                                                              below 758 MHz, attenuation by                                         PASS
                                    Spurious Emissions                                                                                                               7.3, 7.4
           90(R)                                                              at least 43 + 10 log(P) dB.(Band
                                                                              14)                              CONDUCTED
           2.1055
                                    Frequency Stability                       < 2.5 ppm                                                             PASS            Section 7.7
           90.213


           2.1046                   Conducted Power                           < 100 Watts                                                           PASS            Section 7.5


                                    Effective Radiated Power
           90.542(a)(7)                                                       < 3 Watts max. ERP                                                    PASS            Section 7.5
                                    (Band 14)
                                                                              > 43 + 10 log10 (P[Watts]) for all
                                                                              out-of-band emissions except                   RADIATED
           2.1053
                                    Radiated Spurious                         > 50 + 10 log10 (P[Watts]) at
           90(S)                                                                                                                                    PASS            Section 7.6
                                    Emissions                                 Band Edge and for all out-of-
           90(R)
                                                                              band emissions within 37.5kHz
                                                                              of Block Edge
                                                                Table 7-1. Summary of Test Results

 Notes:

           1)     All modes of operation and data rates were investigated. The test results shown in the following sections represent
                  the worst case emissions.
           2)     The analyzer plots shown in Section 7.0 were taken with a correction table loaded into the analyzer. The correction
                  table was used to account for the losses of the cables, directional couplers, and attenuators used as part of the
                  system to maintain a link between the call box and the EUT at all frequencies of interest.
           3)     All antenna port conducted emissions testing was performed on a test bench with the antenna port of the EUT
                  connected to the spectrum analyzer through calibrated cables, attenuators, and couplers.
           4)     For conducted spurious emissions, automated test software was used to measure emissions and capture the
                  corresponding plots necessary to show compliance. The measurement software utilized is PCTEST “2G/3G
                  Automation,” Version 3.9.




                                                                                  MEASUREMENT REPORT                                                              Approved by:
  FCC ID: ZNFQ720AM
                                                                                     (CERTIFICATION)                                                              Quality Manager
  Test Report S/N:                      Test Dates:                     EUT Type:
                                                                                                                                                                  Page 10 of 32
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 © 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
 microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
 rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


7.2           Occupied Bandwidth
§2.1049

Test Overview

The occupied bandwidth, that is the frequency bandwidth such that, below its lower and above its upper frequency
limits, the mean powers radiated are each equal to 0.5 percent of the total mean power radiated by a given emission
shall be measured. All modes of operation were investigated and the worst case configuration results are reported
in this section.

Test Procedure Used

KDB 971168 D01 v03r01 – Section 4.2

Test Settings

      1. The signal analyzer’s automatic bandwidth measurement capability was used to perform the 99% occupied
             bandwidth and the 26dB bandwidth. The bandwidth measurement was not influenced by any intermediate
             power nulls in the fundamental emission.
      2. RBW = 1 – 5% of the expected OBW

      3. VBW ≥ 3 x RBW

      4. Detector = Peak

      5. Trace mode = max hold

      6. Sweep = auto couple

      7. The trace was allowed to stabilize

      8. If necessary, steps 2 – 7 were repeated after changing the RBW such that it would be within

             1 – 5% of the 99% occupied bandwidth observed in Step 7

Test Setup

The EUT and measurement equipment were set up as shown in the diagram below.




                                                  Figure 7-1. Test Instrument & Measurement Setup

Test Notes

None.



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 FCC ID: ZNFQ720AM
                                                                                    (CERTIFICATION)                                                              Quality Manager
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© 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


                           Plot 7-1. Occupied Bandwidth Plot (LTE Band 14, 5MHz QPSK – RB Size 25)




                         Plot 7-2. Occupied Bandwidth Plot (LTE Band 14, 5MHz 16-QAM – RB Size 25)



                                                                                 MEASUREMENT REPORT                                                              Approved by:
 FCC ID: ZNFQ720AM
                                                                                    (CERTIFICATION)                                                              Quality Manager
 Test Report S/N:                      Test Dates:                     EUT Type:
                                                                                                                                                                 Page 12 of 32
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© 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


                          Plot 7-3. Occupied Bandwidth Plot (LTE Band 14, 10MHz QPSK – RB Size 50)




                        Plot 7-4. Occupied Bandwidth Plot (LTE Band 14, 10MHz 16-QAM – RB Size 50)



                                                                                 MEASUREMENT REPORT                                                              Approved by:
 FCC ID: ZNFQ720AM
                                                                                    (CERTIFICATION)                                                              Quality Manager
 Test Report S/N:                      Test Dates:                     EUT Type:
                                                                                                                                                                 Page 13 of 32
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© 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


7.3           Spurious and Harmonic Emissions at Antenna Terminal
§2.1051 §90(R)

Test Overview

The level of the carrier and the various conducted spurious and harmonic frequencies is measured by means of a
calibrated spectrum analyzer. The spectrum is scanned from the lowest frequency generated in the equipment up
to a frequency including its 10th harmonic. All out of band emissions are measured with a spectrum analyzer
connected to the antenna terminal of the EUT while the EUT is operating at maximum power, and at the appropriate
frequencies. All data rates were investigated to determine the worst case configuration. All modes of operation were
investigated and the worst case configuration results are reported in this section.

The minimum permissible attenuation level of any spurious emission is 43 + 10 log10(P[Watts]), where P is the
transmitter power in Watts.

Test Procedure Used

KDB 971168 D01 v03r01 – Section 6.0

Test Settings

      1. Start frequency was set to 30MHz and stop frequency was set to 10GHz (separated into at least two plots
         per channel)
      2. RBW ≥ 100kHz
      3. VBW ≥ 3 x RBW
      4. Detector = RMS
      5. Trace mode = max hold
      6. Sweep time = auto couple
      7. The trace was allowed to stabilize

Test Setup

The EUT and measurement equipment were set up as shown in the diagram below.




                                                  Figure 7-2. Test Instrument & Measurement Setup

Test Notes

Compliance with the applicable limits is based on the use of measurement instrumentation employing a resolution
bandwidth of 100 kHz or greater. However, in the 1 MHz bands immediately outside and adjacent to the frequency
block a resolution bandwidth of at least one percent of the emission bandwidth of the fundamental emission of the
transmitter may be employed. The emission bandwidth is defined as the width of the signal between two points,
one below the carrier center frequency and one above the carrier center frequency, outside of which all emission
are attenuated at least 26 dB below the transmitter power.




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   Plot 7-5. Conducted Spurious Plot (LTE Band 14, 10MHz QPSK – RB Size 1, RB Offset 0 – Mid Channel)




   Plot 7-6. Conducted Spurious Plot (LTE Band 14, 10MHz QPSK – RB Size 1, RB Offset 0 – Mid Channel)



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   Plot 7-7. Conducted Spurious Plot (LTE Band 14, 10MHz QPSK – RB Size 1, RB Offset 0 – Mid Channel)




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7.4           Band Edge Emissions at Antenna Terminal
§2.1051 §90(R)

Test Overview

All out of band emissions are measured with a spectrum analyzer connected to the antenna terminal of the EUT
while the EUT is operating at maximum power, and at the appropriate frequencies. All data rates were investigated
to determine the worst case configuration. All modes of operation were investigated and the worst case
configuration results are reported in this section.


Test Procedure Used

KDB 971168 D01 v03r01 – Section 6.0

Test Settings

      1.     Span was set large enough so as to capture all out of band emissions near the band edge
      2.     RBW = 100 kHz
      3.     VBW = 300 kHz
      4.     Detector = RMS
      5.     Trace mode = trace average
      6.     Sweep time = auto couple
      7.     The trace was allowed to stabilize

Test Setup

The EUT and measurement equipment were set up as shown in the diagram below.




                                                  Figure 7-3. Test Instrument & Measurement Setup

Test Notes

For channel edge emission, the signal analyzer’s “ACP” measurement capability is used.




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                              Plot 7-8. Lower Band Edge Plot (LTE Band 14, 5MHz QPSK – RB Size 25)




                          Plot 7-9. Lower Emission Mask Plot (LTE Band 14, 5MHz QPSK – RB Size 25)



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                             Plot 7-10. Upper Band Edge Plot (LTE Band 14, 5MHz QPSK – RB Size 25)




                         Plot 7-11. Upper Emission Mask Plot (LTE Band 14, 5MHz QPSK – RB Size 25)



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                            Plot 7-12. Lower Band Edge Plot (LTE Band 14, 10MHz QPSK – RB Size 50)




                        Plot 7-13. Lower Emission Mask Plot (LTE Band 14, 10MHz QPSK – RB Size 50)



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                            Plot 7-14. Upper Band Edge Plot (LTE Band 14, 10MHz QPSK – RB Size 50)




                        Plot 7-15. Upper Emission Mask Plot (LTE Band 14, 10MHz QPSK – RB Size 50)



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7.5              Radiated Power (ERP)
§90.542(a)(7)

Test Overview

Effective Radiated Power (ERP) measurements are performed using the substitution method described in
ANSI/TIA-603-E-2016 with the EUT transmitting into an integral antenna. Measurements on signals operating below
1GHz are performed using vertically and horizontally polarized tuned dipole antennas. All measurements are
performed as RMS average measurements while the EUT is operating at its maximum duty cycle, at maximum
power, and at the appropriate frequencies.

Test Procedures Used

KDB 971168 D01 v03r01 – Section 5.2.1

ANSI/TIA-603-E-2016 – Section 2.2.17



Test Settings

      1. Radiated power measurements are performed using the signal analyzer’s “channel power” measurement
             capability for signals with continuous operation.
      2. RBW = 1 – 5% of the expected OBW, not to exceed 1MHz

      3. VBW ≥ 3 x RBW

      4. Span = 1.5 times the OBW

      5. No. of sweep points > 2 x span / RBW

      6. Detector = RMS

      7. Trigger is set to “free run” for signals with continuous operation with the sweep times set to “auto”.

      8. The integration bandwidth was roughly set equal to the measured OBW of the signal for signals with

             continuous operation.

      9. Trace mode = trace averaging (RMS) over 100 sweeps

      10. The trace was allowed to stabilize




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Test Setup

The EUT and measurement equipment were set up as shown in the diagram below.




                                                            Figure 7-4. Radiated Test Setup <1GHz

Test Notes

      1) The EUT was tested in three orthogonal planes and in all possible test configurations and positioning. The
         worst case emissions are reported with the EUT positioning, modulations, RB sizes and offsets, and
         channel bandwidth configurations shown in the tables below.

      2) This unit was tested with its standard battery.



            Channel                            Ant.     Antenna Turntable             Substitute Ant.                                                    ERP
 Frequency                                                                    RB                                              ERP          ERP                       Margin        EIRP
           Bandwidth               Mod.        Pol.      Height  Azimuth                Level    Gain                                                    Limit
   [MHz]                                                                  Size/Offset                                        [dBm]        [Watts]                     [dB]        [dBm]
             [MHz]                            [H/V]       [cm]   [degree]               [dBm]    [dBi]                                                  [dBm]

    790.50             5          QPSK          V          147           275           1 / 24          15.05        6.00      18.90        0.078        34.77        -15.87        21.05

    793.00             5          QPSK          V          143           271           1 / 24          15.02        6.10      18.97        0.079        34.77        -15.80        21.12

    795.50             5          QPSK          V          152           265           1 / 24          15.25        6.20      19.30        0.085        34.77        -15.47        21.45

    795.50             5         16-QAM         V          152           265           1 / 24          13.70        6.20      17.75        0.060        34.77        -17.02        19.90

    793.00            10          QPSK          V          147           272           1 / 49          14.69        6.10      18.64        0.073        34.77        -16.13        20.79

    793.00            10         16-QAM         V          147           272           1 / 49          13.16        6.10      17.11        0.051        34.77        -17.66        19.26

   795.50              5          QPSK          H          229           272           1 / 24          14.74        6.20      18.79        0.076        34.77        -15.98        20.94

                                                                   Table 7-16. ERP Data (Band 14)




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7.6           Radiated Spurious Emissions Measurements
§2.1053 §90(R)

Test Overview

Radiated spurious emissions measurements are performed using the substitution method described in ANSI/TIA-
603-E-2016 with the EUT transmitting into an integral antenna. Measurements on signals operating below 1GHz
are performed using horizontally and vertically polarized tuned dipole antennas. Measurements on signals operating
above 1GHz are performed using vertically and horizontally polarized broadband horn antennas. All measurements
are performed as peak measurements while the EUT is operating at maximum power, and at the appropriate
frequencies.

Test Procedures Used

KDB 971168 D01 v03r01 – Section 5.8

ANSI/TIA-603-E-2016 – Section 2.2.12

Test Settings

      1. RBW = 100kHz for emissions below 1GHz and 1MHz for emissions above 1GHz

      2. VBW ≥ 3 x RBW

      3. Span = 1.5 times the OBW

      4. No. of sweep points > 2 x span / RBW

      5. Detector = RMS

      6. Trace mode = Average (Max Hold for pulsed emissions)

      7. The trace was allowed to stabilize




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Test Setup

The EUT and measurement equipment were set up as shown in the diagram below.




                                                  Figure 7-5. Test Instrument & Measurement Setup

Test Notes

      1. For LTE mode, the device was tested under all modulations, RB sizes and offsets, and channel
         bandwidth configurations and the worst case emissions are reported with 1 RB.

      2. This unit was tested with its standard battery.

      3. The EUT was tested in three orthogonal planes and in all possible test configurations and positioning. The
         worst case setup is reported in the tables below.

      4. The "-" shown in the following RSE tables are used to denote a noise floor measurement.

      5. Per 90(R)(f), emissions in the 1559 – 1610MHz band are subject to a limit of -40dBm/MHz for wideband
         signals. These emission measurements are shown in this section below.




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LTE Band 14




                                        Plot 7-17. Radiated Spurious Plot above 1GHz (LTE Band 14)

                                OPERATING FREQUENCY:                                        790.50                                                MHz
                                       MODULATION SIGNAL:                                   QPSK
                                                       BANDWIDTH:                              5.0                MHz
                                                           DISTANCE:                            3                 meters
                                                                    LIMIT:                    -13                 dBm


                               Ant.         Antenna Turntable                                                         Substitute                      Spurious
        Frequency                                             Level at Antenna                                                                                                      Margin
                               Pol.          Height  Azimuth                                                         Antenna Gain                   Emission Level
          [MHz]                                               Terminals [dBm]                                                                                                        [dB]
                              [H/V]           [cm]  [degree]                                                             [dBi]                          [dBm]

           2371.50                H              113                332                     -66.98                           4.07                           -62.91                    -49.9
           3162.00                H                -                   -                    -67.65                           5.42                           -62.22                    -49.2
           3952.50                H            -          -          -69.60           7.24             -62.36                                                                         -49.4
                                         Table 7-2. Radiated Spurious Data (LTE Band 14 – Low Channel)




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                                OPERATING FREQUENCY:                                        793.00                                                MHz
                                       MODULATION SIGNAL:                                   QPSK
                                                       BANDWIDTH:                              5.0                MHz
                                                           DISTANCE:                            3                 meters
                                                                    LIMIT:                    -13                 dBm


                               Ant.         Antenna Turntable                                                         Substitute                      Spurious
        Frequency                                             Level at Antenna                                                                                                      Margin
                               Pol.          Height  Azimuth                                                         Antenna Gain                   Emission Level
          [MHz]                                               Terminals [dBm]                                                                                                        [dB]
                              [H/V]           [cm]  [degree]                                                             [dBi]                          [dBm]

           2379.00                H              121                351                     -66.44                           4.09                           -62.35                    -49.3
           3172.00                H                -                   -                    -67.69                           5.43                           -62.26                    -49.3
           3965.00                H           -           -          -69.43           7.25             -62.18                                                                         -49.2
                                         Table 7-3. Radiated Spurious Data (LTE Band 14 – Mid Channel)

                                OPERATING FREQUENCY:                                        795.50                                                MHz
                                       MODULATION SIGNAL:                                   QPSK
                                                       BANDWIDTH:                              5.0                MHz
                                                           DISTANCE:                            3                 meters
                                                                    LIMIT:                    -13                 dBm


                               Ant.         Antenna Turntable                                                         Substitute                      Spurious
        Frequency                                             Level at Antenna                                                                                                      Margin
                               Pol.          Height  Azimuth                                                         Antenna Gain                   Emission Level
          [MHz]                                               Terminals [dBm]                                                                                                        [dB]
                              [H/V]           [cm]  [degree]                                                             [dBi]                          [dBm]

           2386.50                H              115                339                     -66.17                           4.11                           -62.06                    -49.1
           3182.00                H                -                   -                    -67.49                           5.44                           -62.05                    -49.0
           3977.50                H           -          -          -69.49            7.27            -62.22                                                                          -49.2
                                        Table 7-4. Radiated Spurious Data (LTE Band 14 – High Channel)




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                                       MODULATION SIGNAL:                                   QPSK
                                                       BANDWIDTH:                             5.00                MHz
                                                           DISTANCE:                            3                 meters
                     NARROWBAND EMISSION LIMIT:                                               -50                 dBm
                           WIDEBAND EMISSION LIMIT:                                           -40                 dBm/MHz


                               Ant.         Antenna Turntable                                                         Substitute                      Spurious
        Frequency                                             Level at Antenna                                                                                                      Margin
                               Pol.          Height  Azimuth                                                         Antenna Gain                   Emission Level
          [MHz]                                               Terminals [dBm]                                                                                                        [dB]
                              [H/V]           [cm]  [degree]                                                             [dBi]                          [dBm]

           1581.00                H              261                  0                     -68.75                           3.54                           -65.20                    -25.2
           1586.00                H              113                337                     -68.30                           3.55                           -64.76                    -24.8
           1591.00                H           149        356          -69.07           3.55            -65.52                                                                         -25.5
                                           Table 7-5. Radiated Spurious Data (LTE Band 14 – Wide Band)




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7.7           Frequency Stability / Temperature Variation
§2.1055 §90.213

Test Overview and Limit

Frequency stability testing is performed in accordance with the guidelines of ANSI/TIA-603-E-2016. The frequency
stability of the transmitter is measured by:

a.)       Temperature: The temperature is varied from -30°C to +50°C in 10°C increments using an environmental
          chamber.

b.)       Primary Supply Voltage: The primary supply voltage is varied from 85% to 115% of the nominal value for
          non hand-carried battery and AC powered equipment. For hand-carried, battery-powered equipment, primary
          supply voltage is reduced to the battery operating end point which shall be specified by the manufacturer.

The frequency stability of the transmitter shall be maintained within ±0.00025% (±2.5 ppm) of the center
frequency.

Test Procedure Used

ANSI/TIA-603-E-2016

Test Settings

      1. The carrier frequency of the transmitter is measured at room temperature (20°C to provide a reference).
      2. The equipment is turned on in a “standby” condition for fifteen minutes before applying power to the
         transmitter. Measurement of the carrier frequency of the transmitter is made within one minute after
         applying power to the transmitter.
      3. Frequency measurements are made at 10°C intervals ranging from -30°C to +50°C. A period of at least
         one half-hour is provided to allow stabilization of the equipment at each temperature level.

Test Setup

The EUT was connected via an RF cable to a spectrum analyzer with the EUT placed inside an environmental
chamber.

Test Notes

None




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Frequency Stability / Temperature Variation
§2.1055, §90.213


                           OPERATING FREQUENCY:                                            793,000,000                         Hz
                                                      CHANNEL:                                  23330
                               REFERENCE VOLTAGE:                                                4.37                           VDC




                             VOLTAGE                       POWER                TEMP              FREQUENCY                     Freq. Dev.            Deviation
                               (%)                          (VDC)                  o                 (Hz)                          (Hz)                 (%)
                                                                                 ( C)

                                 100 %                         4.37               - 30              792,999,913                       -87            -0.0000110

                                 100 %                                            - 20              793,000,166                       166             0.0000209

                                 100 %                                            - 10              793,000,226                       226             0.0000285

                                 100 %                                                 0            793,000,119                       119             0.0000150

                                 100 %                                           + 10               793,000,200                       200             0.0000252

                                 100 %                                           + 20               793,000,005                         5             0.0000006

                                 100 %                                            + 30              793,000,200                       200             0.0000252

                                 100 %                                           + 40               792,999,874                      -126            -0.0000159

                                 100 %                                           + 50               793,000,082                        82             0.0000103

                        BATT. ENDPOINT     3.05      + 20      793,000,006         6                                                                  0.0000008
                                     Table 7-6. LTE Band 14 Frequency Stability Data




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© 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


Frequency Stability / Temperature Variation
§2.1055, §90.213


                                                                              Frequency Stability

                                                  3.5




                                                  2.5




                                                  1.5
                                Deviation (ppm)




                                                  0.5




                                                  -0.5




                                                  -1.5




                                                  -2.5




                                                  -3.5




                                                                                        Temperature (°C)



                                                            Table 7-7. LTE Band 14 Frequency Stability Data




                                                                                 MEASUREMENT REPORT                                                              Approved by:
 FCC ID: ZNFQ720AM
                                                                                    (CERTIFICATION)                                                              Quality Manager
 Test Report S/N:                                 Test Dates:          EUT Type:
                                                                                                                                                                 Page 31 of 32
 1M1907080114-04-R1.ZNF                           7/8 - 8/2/2019       Portable Handset
© 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.


8.0           CONCLUSION

 The data collected relate only to the item(s) tested and show that the LG Portable Handset
 FCC ID: ZNFQ720AM complies with all the requirements of Parts 90 of the FCC rules.




                                                                                  MEASUREMENT REPORT                                                              Approved by:
  FCC ID: ZNFQ720AM
                                                                                     (CERTIFICATION)                                                              Quality Manager
  Test Report S/N:                      Test Dates:                     EUT Type:
                                                                                                                                                                  Page 32 of 32
  1M1907080114-04-R1.ZNF                7/8 - 8/2/2019                  Portable Handset
 © 2019 PCTEST Engineering Laboratory, Inc.                                                                                                                                    V 9.0 02/01/2019
 All rights reserved. Unless otherwise specified, no part of this report may be reproduced or utilized in any part, form or by any means, electronic or mechanical, including photocopying and
 microfilm, without permission in writing from PCTEST Engineering Laboratory, Inc. If you have any questions about this international copyright or have an enquiry about obtaining additional
 rights to this report or assembly of contents thereof, please contact INFO@PCTEST.COM.



Document Created: 2019-08-13 13:25:59
Document Modified: 2019-08-13 13:25:59

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