I18D00233-EMC04-V01

FCC ID: 2AH25T5921

Test Report

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       TEST REPORT
      No. I18D00233-EMC04

                 For
         Client : Shanghai Sunmi Technology

                 Co.,Ltd.

     Production: Wireless data POS System

    Model Name : T5921

    Brand Name: SUNMI

        FCC ID: 2AH25T5921

Hardware Version: QP1665_MB_PCB_V1

Software Version: zqp1665_V002_181121

    Issued date: 2019-01-23


                                                                 Report No.:I18D00233-EMC04



                                             NOTE
1. The test results in this test report relate only to the devices specified in this report.
2. This report shall not be reproduced except in full without the written approval of
    China Telecommunication Technology Labs.
3. The measurement uncertainty is not taken into account when deciding conformity,
    and the results of measurement (or the average of measurement results) are
    directly used as the criterion for the stating conformity.




Test Laboratory:
East China Institute of Telecommunications
Add: 7-8F, G Area, No.668, Beijing East Road, Huangpu District, Shanghai, P. R. China
Tel: +862163843300
FAX: +862163843301
E-Mail: welcome@ecit.org.cn


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                                             Revision Version
        Report Number               Revision          Date                  Memo
       I18D00233-EMC04                  00         2019-01-10    Initial creation of test report
       I18D00233-EMC04                  01         2019-01-23   Second creation of test report




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                                                          CONTENTS

1.    TEST LABORATORY ............................................................................................................... 6

1.1. TESTING LOCATION ............................................................................................................... 6

1.2. TESTING ENVIRONMENT ....................................................................................................... 6

1.3. PROJECT DATA ....................................................................................................................... 6

1.4. SIGNATURE.............................................................................................................................. 6

2.    CLIENT INFORMATION ........................................................................................................... 7

2.1. APPLICANT INFORMATION.................................................................................................... 7

2.2. MANUFACTURER INFORMATION.......................................................................................... 7

3.    EQUIPMENT UNDER TEST (EUT) AND ANCILLARY EQUIPMENT (AE) ............................ 8

3.1. ABOUT EUT.............................................................................................................................. 8

3.2. INTERNAL IDENTIFICATION OF EUT USED DURING THE TEST ....................................... 8

3.3. INTERNAL IDENTIFICATION OF AE USED DURING THE TEST ......................................... 8

4.    REFERENCE DOCUMENTS.................................................................................................... 9

4.3. REFERENCE DOCUMENTS FOR TESTING .......................................................................... 9

5.    TEST RESULTS...................................................................................................................... 10

5.1. SUMMARY OF TEST RESULTS ............................................................................................ 10

5.2. STATEMENTS......................................................................................................................... 10

6.    TEST EQUIPMENT UTILIZED ................................................................................................11

7.    SYSTEM CONFIGURATION DURING TEST......................................................................... 12

7.1 TEST MODE............................................................................................................................. 12

7.2 CONNECTION DIAGRAM OF TEST SYSTEM....................................................................... 12

8.    MEASUREMENT RESULTS................................................................................................... 13

8.1 20DB BANDWIDTH ................................................................................................................. 13

8.2 FREQUENCY STABILITY........................................................................................................ 15

8.3 RADIATED EMISSIONS .......................................................................................................... 17
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8.3.1 ELECTRIC FIELD STRENGTH OF FUNDAMENTAL EMISSIONS .................................... 17

8.3.2 ELECTRIC FIELD RADIATED EMISSIONS (BELOW 30MHZ) .......................................... 19

8.3.3 ELECTRIC FIELD RADIATED EMISSIONS (ABOVE 30MHZ) ........................................... 21

8.4 CONDUCTED EMISSIONS ..................................................................................................... 23

ANNEX A TEST CONFIGURATION PHOTOS.............................................................................. 25




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1. Test Laboratory
1.1. Testing Location

  Company Name:               ECIT Shanghai, East China Institute of Telecommunications
  Address:                    7F, G Area, No. 668, Beijing East Road, Huangpu District, Shanghai,
                              P. R. China
  Postal Code:                200001
  Telephone:                  86—21—63843300
  Fax:                        86—21—63843301
  FCC registration No:        958356

1.2. Testing Environment

  Normal Temperature:           15—35°C
  Relative Humidity:           30—60%RH

1.3. Project data

  Project Leader:                Yu Anlu
  Testing Start Date:            2018—12—25
  Testing End Date:              2018—12—26

1.4. Signature



                 &+ %                                              144
                 Qin Yabin                                           You Jinjun
             (Prepared this test report)                    {Reviewed this test report)




                                         Zheng Zhongbin
                                     {Approved this test report)




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2. Client Information
2.1. Applicant Information
  Company Name:              Shanghai Sunmi Technology Co.,Ltd.
                             Room 505, KIC Plaza, No.388 Song Hu Road, Yang Pu District,
  Address :
                             Shanghai, China
  Telephone:                 18721763396
  Postcode:                  200433

2.2. Manufacturer Information
  Company Name:              Shanghai Sunmi Technology Co.,Ltd.
                             Room 505, KIC Plaza, No.388 Song Hu Road, Yang Pu District,
  Address :
                             Shanghai, China
  Telephone:                 18721763396
  Postcode:                  200433




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3. Equipment under Test (EUT) and Ancillary Equipment (AE)
3.1. About EUT

EUT Description                               Wireless data POS System
Model name                                    T5921
GSM Frequency Band                            GSMS50/GS MS0O0/GSM1800/GSM1900
WCDMA Frequency Band                          WCDMA BAND T /IL/IV/V
CDMA Frequency Band                           BCOBC1
LTE Frequency Band                            LTE BAND 2/4/7/17/28
Additional Communication Function             BT3.0,BLE, 4.2;WIFI 802.11a/b/g/n; NFC;


3.2. Internal Identification of EUT used during the test

   EUT ID*             SN or IME]1             HW Version             SW Version          Date of receipt
                                             QP1665_MB_PCB      zqgp1665_VO0
     NO7Z                   /                     _vi             2181121                  2018—12—15

*EUT ID: is used to identify the test sample in the lab internally.


3.3. Internal Identification of AE used during the test

  AE ID*            Description                         Model                              SN
  CAQO7                Adapter                  TPA—23A0502000UUO01                          /
   UAOS              USB Cable                              /                                /
   AE1              Type A Card                             /                                /
*AE ID: is used to identify the test sample in the lab internally.




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4. Reference Documents

4.3. Reference Documents for testing
The following documents listed in this section are referred for testing.

 Reference                                     Title                                     Version

FCC CFR47                Frequency allocations and radio treaty matters;
                                                                                           2017
  Part 2                         general rules and regulations
FCC CFR47
                         Radio Frequency Devices-Intentional Radiators                     2017
 Part 15C
                   American National Standard of Procedures for Compliance
ANSI C63.10                                                                                2013
                           Testing of Unlicensed Wireless Devices




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5. Test Results

5.1. Summary of Test Results

  Items                   Test List                     Clause in FCC rules               Verdict

    1                 20 dB bandwidth                          2.1049                       Pass

    2                Frequency Stability                      15.225(e)                     Pass

    3               Radiated Emissions            15.225 (a) (b) (c) (d) and 15.209         Pass

    4              Conducted Emissions                         15.207                       Pass



5.2. Statements
The Wireless data POS System, supporting NFC, manufactured by Shanghai Sunmi Technology
Co.,Ltd. a new product for testing. ECIT performed test cases which identified with Pass/Fail/Inc
result in section 5.1.

ECIT has verified that the compliance of the tested device specified in section 3 of this test report
is successfully evaluated according to the procedure and test methods as defined in type
certification requirement listed in section 4 of this test report.




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6. Test Equipment Utilized

                                             Series                                        Cal.
No.        Name              Type                        Producer        Cal. Date
                                             Number                                      interval

 1     Test Receiver        ESU40            100307        R&S          2018-05-11        1 Year

 2     Trilog Antenna     VULB9163 VULB9163-515         Schwarzbeck     2017-02-25        3 Year

                                                        COM-POWE
 3     Loop Antenna        AL-130R           121083                     2016-11-21        3 Year
                                                           R
          EMI Test          EMC32
 4                                             NA          R&S              NA              NA
          Software          V9.15

 5     Test Receiver         ESCI            101235        R&S          2018-05-11        1 Year

           2-Line
 6                         ENV216            101380        R&S          2018-05-11        1 Year
         V-Network
          EMI Test          EMC32
 7                                             NA          R&S              NA              NA
          Software          V9.12
        Vector Signal
 8                          FSQ26            101096        R&S          2018-05-11        1 Year
          Analyser
           Climate
 9                          SH-641           92012011     ESPEC         2017-12-05        2 Year
          chamber




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7. System Configuration during Test
7.1 Test Mode

            Test Item                                       Function Type
         20 dB bandwidth              Mode 1: TX mode <Figure 1>
       Frequency Stability            Mode 1: TX mode <Figure 1>
       Radiated Emissions             Mode 1: TX mode <Figure 1>
      Conducted Emissions             Mode 2: TX mode + CA07+UA05 <Figure 2>
Remark: The NFC function is opened in the setting menu. The EUT will transmit the NFC
command continuously during the test, and will read the information from the Type A Card
continuously.


7.2 Connection Diagram of Test System




                                                   AE1



                                             EUT


                                             <Figure 1> Mode 1



                                             AE1
                                                             USB Cable


                                       EUT                           Adapter


                                             <Figure 2> Mode 2




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8. Measurement Results
8.1 20dB Bandwidth

Reference
See Clause 6.9 of ANS 1 C63.10—2013


Measurement Methods
The transmitter output signal was picked up by coil antenna to the spectrum analyzer.
The transmitter output signal was picked up by coil antenna connected to the spectrum analyzer.
The bandwidth of the center frequency was measured with 140Hz RBW, 420Hz VBW and 14kHz
span.

Test Setup



                           Coil
                         Antenna

         EUT                                                      Spectrum
                                                                  Analyzer




EUT Operating Mode and Test Conditions
The measurement of EUT is carried out under the transmit state of NFC and without modulation.
EUT had been not connected to a travel adapter.
During the measurements, the ambient temperature is in the range of 15~25°C.


Limits
The 200B bandwidth shall be less than 80%of the permitted frequency band. For 13.56MHz NFC,
the permitted frequency band is 14kHz, so the limit is 11.2kHz.


Uncertainty Measurement
The measurement uncertainty is 60.8Hz (k=2)




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Test Results:
                Carrier frequency        20dB Bandwidth   Conclusion
                         (MHz)                (kHz)
                       13.56                 0.538          Pass




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8.2 Frequency Stability
Reference
See Clause 6.8 of ANS 1 C63.10—2013


Measurement Methods


             Thermal Chamber




                               Coil
                            Antenna


               EUT                                     Frequency
                                                        Counter




The transmitter output single was picked up by coil antenna connected to the frequency counter.
The center frequency was measured with 30Hz RBW and 1kHz span.
During the test, the EUT was placed in a thermal chamber until thermal balance and lasting
appropriate time.


EUT Operating Mode and Test Conditions
The measurement of EUT is carried out under the transmit state of without modulation , EUT1 had
been not connected to a travel adapter.
Operation Temperature: Tmin=—20°C, Tnom=25°C, and Tmax=50°C
Operation Voltage: Vmin=22.8V, Vmax=25.2V.and Tnom=24V.


Limits
The frequency tolerance of the carrier signal shall be maintained within +/— 0.01% of the operating
frequency.


Uncertainty Measurement
The measurement uncertainty U=60.8Hz(k=2).




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Test Results
Temperature     Voltage                         Frequency Error (MHz)
                              Startup        2Min Later    5Min Later       10Min Later
Tmin            Vrnom         13.560413      13.560416     13.560409        13.560411
Tmax            Vrnom         13.560484      13.560485     13.560487        13.560483
Tnom            Vrnom         13.560463      13.560466     13.560469        13.560464
Tnom            Vmin          13.560428      13.560421     13.560421        13.560420
Tnom            Vmax          13.560439      13.560431     13.560433        13.560438


Temperature     Voltage                          Frequency Error (%)
                              Startup        2Min Later   5Min Later      10Min Later
Tmin            Vrnom              0.003        0.003         0.003              0.003
Tmax            Vrnom              0.003        0.003         0.003              0.003
Tnom            Vnom               0.003        0.003         0.003              0.003
Tnom            Vmin               0.003        0.003         0.003              0.003
Tnom            Vmax               0.003        0.003         0.003              0.003




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8.3 Radiated Emissions
8.3.1 Electric Field Strength of Fundamental Emissions
Reference
See Clause 6.4 of ANSI C63.10-2013

Method of Measurement
The test set-up was made in accordance to the general provisions of ANSI C63.10-2013.The
transmitter carrier output levels (E-Field) from the EUT are measured in a semi-anechoic chamber.
The EUT is placed on a non-conductive stand of 80cm high, and at a measurement distance of 3m
from the receiving antenna. The center of the receiving antenna is 1 meter above the ground. The
E-field is measured with a shielded loop antenna connected to a measurement receiver. Detected
E-field was maximized by rotating the EUT through 360°and adjusting the receiving antenna
polarizations. Both horizontal and vertical polarizations of the antenna were set during the
measurement. The maximization processes were repeated with the EUT positioned respectively in
its three orthogonal axes. The measurements were performed with the peak detector and if
required, the quasi-peak detector.

The measurement bandwidth:
            Frequency (MHz)                                     RBW / VBW
                  12.56-14.56                                    10 / 30kHz

The E-field measured at 3m is calculated as:
E-field (dBuV/m) = Rx (dBuV) + Cable Loss (dB) + AF@3m (dB/m)

Test Setup




Limits
Clause 15.225(a) the field strength of any emissions within the band 13.553-13.567 MHz shall not
exceed 15,848 microvolts/meter at 30 meters.
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Clause 15.225(b) within the bands 13.410-13.553 MHz and 13.567-13.710 MHz, the field strength
of any emissions shall not exceed 334 microvolts/meter at 30 meters.
Clause 15.225(c) within the bands 13.110-13.410 MHz and 13.710-14.010 MHz the field strength
of any emissions shall not exceed 106 microvolts/meter at 30 meters.
   Frequency Range (MHz)         E-field Strength Limit @30m     E-field Strength Limit @3m
                                             (uV/m)                       (dBuV/m)
       13.560 ± 0.007                       +15,848                           124
      13.410 to 13.553                       +334                             90
      13.567 to 13.710
      13.110 to 13.410                       +106                             81
      13.710 to 14.010
Note: Where the limits have been defined at one distance, and a signal level measured at
another, the limits have been extrapolated using the following formula:
Extrapolation (dB) =           (Measurement Distance / Specification Distance)



Measurement Uncertainty
Measurement uncertainly: (9kHz-30MHz) 5.66dB k=2

Measurement Results
Measurement results of normal conditions see Figure 1 for different set-ups of EUT. The result
displayed take into account applicable antenna factors and cable losses




                                             Figure 1 TX mode


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8.3.2 Electric Field Radiated Emissions (Below 30MHz)
Reference
See Clause 6.4 of ANSI C63.10-2013

Method of Measurement
The electric field radiated emissions from the EUT are measured in a semi-anechoic chamber.
The EUT is placed on a non-conductive stand of 80cm high, and at a measurement distance of 3m
from the receiving antenna. The center of the receiving antenna is 1 meter above the ground. The
E-field is measured with a shielded loop antenna connected to a measurement receiver. Detected
E-field was maximized by rotating the EUT through 360°and adjusting the receiving antenna
polarizations. Both horizontal and vertical polarizations of the antenna were set during the
measurement. The maximization processes were repeated with the EUT positioned respectively in
its three orthogonal axes. The measurements were performed with the peak detector and if
required, the quasi-peak detector.

The measurement bandwidth:
            Frequency (MHz)                                     RBW / VBW
                    0.009-30                                     10 / 30kHz

The E-field measured at 3m is calculated as:
E-field (dBuV/m) = Rx (dBuV) + Cable Loss (dB) + AF@3m (dB/m)

Test Setup




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Limits
  Frequency Range (MHz)            E-field Strength Limit @30m    E-field Strength Limit @3m
                                              (mV/m)                       (dBuV/m)
         0.009-0490                          2400/F (kHz)                    129-94
         0.490-1.705                         24000/F (kHz)                    74-63
           1.705-30                               30                           70
Note: Where the limits have been defined at one distance, and a signal level measured at
another, the limits have been extrapolated using the following formula:
Extrapolation (dB) =           (Measurement Distance / Specification Distance)



Measurement Uncertainty
Measurement uncertainly: (9kHz-30MHz) 5.66dB k=2

Measurement Results
Measurement results of normal conditions see Figure 2 for different set-ups of EUT. The result
displayed take into account applicable antenna factors and cable losses




                                  Figure 2 TX mode (9kHz-30MHz)




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8.3.3 Electric Field Radiated Emissions ( Above 30MHz)
Reference
See Clause 6.5 of ANSI C63.10-2013

Method of Measurement
The electric field radiated emissions from the EUT are measured in a semi-anechoic chamber.
The EUT is placed on a non-conductive stand of 80cm high, and at a measurement distance of 3m
from the receiving antenna. The table was rotated 360 degree and the received antenna mounted
on a variable-height antenna tower was varied from 1m to 4m to find the maximum value of the
field strength. Both horizontal and vertical polarizations of the antenna were set during the
measurement. The data of cable loss and antenna factor has been calibrated in full testing
frequency range before the testing. The measurements were performed with the peak detector
and if required, the quasi-peak detector.

The measurement bandwidth:
               Frequency (MHz)                                     RBW / VBW
                   30-1000                                       120 kHz / 300kHz

Test Setup




.
Limits
  Frequency Range (MHz)             E-field Strength Limit @3m      E-field Strength Limit @3m
                                               (mV/m)                        (dBuV/m)
             30-88                             100                              40
            88-216                             150                             43.5
           216-960                             200                              46
          960-1000                             500                              54

Measurement Uncertainty
Measurement uncertainly: (30MHz-1000MHz) 4.98dB k=2

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Measurement Results
Measurement results of normal conditions see Figure 3 for different set-ups of EUT. The result
displayed take into account applicable antenna factors and cable losses
QP detection is used in radiated emissions test, and the Duty Cycle of NFC main frequency signal
is 100%.




                                   Figure 3 TX mode (30MHz-1000MHz)
Frequency    QuasiPeak    Lim it      Margin     Meas.    Bandw idth   Height    Pol   Azimut     Corr.
  (MHz)      (dBµV/m )   (dBµV/        (dB)      Time       (kHz)       (cm)             h        (dB)

                           m)                    (ms)                                   (deg)

 34.613957       15.07     40.00         24.93   1000.0      120.000     100.0   V        95.0       -22.0

 40.671720       37.65     40.00          2.35   1000.0      120.000     102.0   V       215.0       -20.8

 54.219923       15.54     40.00         24.46   1000.0      120.000     125.0   H       107.0       -20.9

 80.486853        5.26     40.00         34.74   1000.0      120.000     102.0   H       106.0       -27.3

108.452528       14.84     43.50         28.66   1000.0      120.000     102.0   H       165.0       -23.7

176.270808       30.66     43.50         12.84   1000.0      120.000     189.0   H       188.0       -26.0




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8.4 Conducted Emissions
Reference
See Clause 6.2 of ANSI C63.10-2013

Methods of Measurement
The conducted emissions from the AC port of the EUT are measured in a shielding room. The EUT
is connected to a Line Impedance Stabilization Network (LISN). An overview sweep with peak
detection was performed. The measurements were performed with a quasi-peak detector and if
required, an average detector. Tested in accordance with the procedures of ANSI C63.10-2013
The conducted emission measurements were made with the following detector of the test receiver
Quasi-Peak / Average Detector.
Test Setup
The measurement bandwidth and Test Condition
  Frequency (MHz)               RBW                Sweep Time (s)            Test Voltage
         0.15-30                 9 kHz                     Auto                  120V/60Hz

Test Setup




.
Limits
   Frequency Range (MHz)                                Conducted Limit (dBuV)
                                             Quasi-peak                        Average
             0.15-0.5                         66 to 56*                        56 to 46*
              0.5-5                              56                                46
              5-30                               60                                50
*Decreases with the logarithm of the frequency
Measurement Uncertainty
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Measurement uncertainly: (150kHz—30MHz) 3.660B k=2
Measurement Results
Note: The measurement result at 13.56MHz is the fundamental emission of NFC signal.




                 :WMS C ks




                 "[ *                   \r‘w! I\MH‘. » JW}( W

                 n uie
                                                                                            ol                %

                                                            |                                     W W
                 150k            300 400500     8001 M            2M    3M 4M5M6        8 10M           20M      30M
                                                           Frequency in Hz



                                         Figure 4 TX mode (150kHz—30MHz)
     Frequency       QuasiPeak        Average     Lim it    Margin      Meas.    Bandw idth      Line   Filter    Corr.

    (MHz)               (dBp V)       (dBp V)    (dBu V)         (dB)    Time      (IKHz)                          (dB)
   0.179850              42.65                    64.49         21.85   1000.0     9.000         N       oN         9.7
   0.179850                            28.67      54.49         25.82   1000.0     9.000         N       oN         9.7
   0.747000              44.78                    56.00         11.22   1000.0     9.000         L1      oN         9.7
   0.747000                            35.40      46.00         10.60   1000.0     9.000         L1      oN         9.7
  13.362356                            17.00      50.00         33.00   1000.0     9.000         N       oN         9.9
  13.362356              36.73                    60.00         23.27   1000.0     9.000         N       oN         9.9
  13.519069                            14.97      50.00         35.03   1000.0     9.000         N       oN         9.9
  13.519069              42.m1                    60.00         17.29   1000.0     9.000         N       oN         9.9
  14.209350                            17.23      50.00         32.77   1000.0     9.000         N       oN         9.9
  14.209350              35.12                    60.00         2488    1000.0     9.000         N       oN         9.9
  27.022463                            745        50.00         42.55   1000.0     9.000         N       oN         9.9
  27.022463              25.16                    60.00         34.84   1000.0     9.000         N       on         9.9
Note:
1.     Emission level{quasi—peak or Average peak)=Raw value by receiver + Corr{(Insertion loss+
       cable loss)
2.     The raw value is used to calculate by software which is not shown in the sheet.
       Margin=limit value — emission level.
to




4.     L1 and N line is all have been tested , the result of them is synthesized in the above data
       diagram.
East China Institute of Telecommunications                                           Page Number          : 24 of 26
TEL: +86 21 63843300FAX+86 21 63843301                                               Report Issued Date: Jan.23, 2019


                                                             Report No.:I18D00233-EMC04



Annex A Test Configuration Photos




                        Picture1: Field Radiated Emissions (Below 30MHz)




                        Picture2: Field Radiated Emissions (Above 30MHz)




East China Institute of Telecommunications                     Page Number       : 25 of 26
TEL: +86 21 63843300FAX:+86 21 63843301                        Report Issued Date: Jan.23, 2019


                                                                Report No.:I18D00233-EMC04




                                   Picture3: Conducted Emissions


                                **********END OF REPORT**********




East China Institute of Telecommunications                          Page Number       : 26 of 26
TEL: +86 21 63843300FAX:+86 21 63843301                             Report Issued Date: Jan.23, 2019



Document Created: 2019-01-23 15:13:02
Document Modified: 2019-01-23 15:13:02

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