Test Report

FCC ID: EMJMMOBTLNO

Test Report

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FCCID_4313730

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                       FCC 47 CFR PART 15 SUBPART C

                        CERTIFICATION TEST REPORT
                                       For


                       ThinkPad X1 Presenter Mouse

                            MODEL No.: MOBTLNO

                           FCC ID: EMJMMOBTLNO

                              Trademark: Lenovo

                       REPORT NO: ES190424986W02

                          ISSUE DATE: May 24, 2019


                                    Prepared for

                             Primax Electronics Ltd.

            No. 669, Ruey Kuang Road, Neihu, Taipei, Taiwan, R.O.C.


                                    Prepared by

                        EMTEK(SHENZHEN) CO., LTD.

          Bldg 69, Majialong Industry Zone, Nanshan District, Shenzhen,
                                Guangdong, China
                              TEL: 86-755-26954280
                              FAX: 86-755-26954282




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                                                           Table of Contents

1   TEST RESULT CERTIFICATION ............................................................................................................. 3
2   EUT TECHNICAL DESCRIPTION ........................................................................................................... 4
3   SUMMARY OF TEST RESULT ................................................................................................................ 5
4   TEST METHODOLOGY ........................................................................................................................... 6
    4.1      GENERAL DESCRIPTION OF APPLIED STANDARDS ................................................................ 6
    4.2      MEASUREMENT EQUIPMENT USED .......................................................................................... 6
    4.3      DESCRIPTION OF TEST MODES................................................................................................. 7
5   FACILITIES AND ACCREDITATIONS ..................................................................................................... 8
    5.1      FACILITIES .................................................................................................................................... 8
    5.2      LABORATORY ACCREDITATIONS AND LISTINGS ..................................................................... 8
6   TEST SYSTEM UNCERTAINTY .............................................................................................................. 9
7   SETUP OF EQUIPMENT UNDER TEST ............................................................................................... 10
    7.1      RADIO FREQUENCY TEST SETUP 1 ......................................................................................... 10
    7.2      RADIO FREQUENCY TEST SETUP 2 ......................................................................................... 10
    7.3      CONDUCTED EMISSION TEST SETUP ..................................................................................... 12
    7.4      SUPPORT EQUIPMENT ............................................................................................................. 12
8   TEST REQUIREMENTS......................................................................................................................... 13
    8.1      BANDWIDTH TEST ..................................................................................................................... 13
    8.2      RADIATED SPURIOUS EMISSION ............................................................................................. 16
    8.3      CONDUCTED EMISSIONS TEST ............................................................................................... 28
    8.4      ANTENNA APPLICATION ............................................................................................................ 31




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1    TEST RESULT CERTIFICATION

Applicant             :   Primax Electronics Ltd.

Address:                  No. 669, Ruey Kuang Road, Neihu, Taipei, Taiwan, R.O.C.

Manufacturer          :   Primax Electronics Ltd.

Address:                  No. 669, Ruey Kuang Road, Neihu, Taipei, Taiwan, R.O.C.


EUT                   :   ThinkPad X1 Presenter Mouse

Model Name            :   MOBTLNO

Trademark             :   Lenovo




Measurement Procedure Used:
                                      APPLICABLE STANDARDS
                     STANDARD                                               TEST RESULT
              FCC 47 CFR Part 2, Subpart J
                                                                                   PASS
             FCC 47 CFR Part 15, Subpart C

The above equipment was tested by EMTEK(SHENZHEN) CO., LTD. The test data, data evaluation, test
procedures, and equipment configurations shown in this report were made in accordance with the
procedures given in ANSI C63.10 (2013) and the energy emitted by the sample EUT tested as described in
this report is in compliance with the requirements of FCC Rules Part 2 and Part 15.249

The test results of this report relate only to the tested sample identified in this report

Date of Test :                                              April 28, 2019 to May 19, 2019


Prepared by :
                                                                     Joe Xia /Editor




Reviewer :
                                                                    Lisa Wang /Editor




Approve & Authorized Signer :                                      David Lee /Manager




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2     EUT TECHNICAL DESCRIPTION
 Product:                 ThinkPad X1 Presenter Mouse

 Model Number:            MOBTLNO

                          DC 3.7V from battery
 Power Supply
                          DC 5.0V from external power
 Modulation:              GFSK

 Frequency Range:         2402 MHz to 2479 MHz

 Number of Channels:      78 Channels

 Max Transmit Power:      71.26 dBuV/m

 Antenna Gain:            0.5 dBi

 Antenna:                 Chip Antenna

 Temperature Range:       -20°C ~ +55°C

Note: for more details, please refer to the User’s manual of the EUT.




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3   SUMMARY OF TEST RESULT
FCC Part Clause                       Test Parameter                     Verdict      Remark
      15.207          Conducted Emission                                  PASS
      15.209          Radiated Emission                                   PASS
      15.249          Radiated Spurious Emission                          PASS
      15.249          Band edge test                                      PASS
      15.249          20dB Bandwidth                                      PASS
      15.203          Antenna Requirement                                 PASS
NOTE1: N/A (Not Applicable)
NOTE2: The report use radiated measurements in the restricted frequency bands. In addition,
the radiated test is also performed to ensure the emissions emanating from the device cabinet
also comply with the applicable limits.


RELATED SUBMITTAL(S) / GRANT(S):

This submittal(s) (test report) is intended for FCC ID: EMJMMOBTLNO filing to comply with Section 15.249
of the FCC Part 15, Subpart C Rules.




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4     TEST METHODOLOGY
4.1     GENERAL DESCRIPTION OF APPLIED STANDARDS
According to its specifications, the EUT must comply with the requirements of the following standards:
FCC 47 CFR Part 2, Subpart J
FCC 47 CFR Part 15, Subpart C
4.2 MEASUREMENT EQUIPMENT USED
4.2.1    Conducted Emission Test Equipment

      EQUIPMENT                                 MODEL             SERIAL
                               MFR                                                LASTCAL.               DUE CAL.
          TYPE                                 NUMBER            NUMBER
      Test Receiver     Rohde & Schwarz          ESCI         26115-010-0027     May 20, 2018          May 19, 2019
         L.I.S.N.       Rohde & Schwarz        ENV216             101161         May 20, 2018          May 19, 2019
 50ΩCoaxial Switch           Anritsu             MP59B         6100175589        May 21, 2018          May 20, 2019
      Voltage Probe     Rohde & Schwarz         ESH2-Z3          100122          May 21, 2018          May 20, 2019
      Pulse Limiter     Rohde & Schwarz         ESH3-Z2          100006          May 20, 2018          May 19, 2019
          I.S.N           Teseq GmbH            ISN T800          30327          May 21, 2018          May 20, 2019


4.2.2    Radiated Emission Test Equipment

      EQUIPMENT                MFR               MODEL           SERIAL           LAST CAL.               DUE CAL.
         TYPE                                   NUMBER          NUMBER
    EMI Test Receiver   Rohde & Schwarz            ESU        1302.6005.26       May 21, 2018           May 20, 2019
      Pre-Amplifier           HP                  8447F        2944A07999        May 20, 2018           May 19, 2019
     Bilog Antenna        Schwarzbeck          VULB9163            142           May 20, 2018           May 19, 2019
     Loop Antenna            ARA               PLA-1030/B         1029           May 20, 2018           May 19, 2019
     Horn Antenna         Schwarzbeck          BBHA 9170      BBHA9170399        May 21, 2018           May 20, 2019
     Horn Antenna         Schwarzbeck          BBHA 9120          D143           May 20, 2018           May 19, 2019
         Cable            Schwarzbeck            AK9513          ACRX1           May 21, 2018           May 20, 2019
         Cable            Rosenberger              N/A           FP2RX2          May 21, 2018           May 20, 2019
         Cable            Schwarzbeck            AK9513          CRPX1           May 21, 2018           May 20, 2019
         Cable            Schwarzbeck            AK9513          CRRX2           May 21, 2018           May 20, 2019


4.2.3    Radio Frequency Test Equipment

      EQUIPMENT                MFR              MODEL            SERIAL           LASTCAL.               DUE CAL.
        TYPE                                   NUMBER           NUMBER
 Spectrum Analyzer          Agilent            E4407B           88156318         May 21, 2018          May 20, 2019
 EMI Test Receiver      Rohde & Schwarz         ESCI              101045         May 21, 2018          May 20, 2019
  Signal Analyzer           Agilent            N9010A          My53470879        May 21, 2018          May 20, 2019
   Power meter              Anritsu            ML2495A           0824006         May 21, 2018          May 20, 2019
   Power sensor             Anritsu            MA2411B           0738172         May 21, 2018          May 20, 2019


Remark: Each piece of equipment is scheduled for calibration once a year.




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4.3   DESCRIPTION OF TEST MODES
The EUT has been tested under its typical operating condition.
The EUT configuration for testing is installed on RF field strength measurement to meet the Commissions
requirement and operating in a manner which intends to maximize its emission characteristics in a
continuous normal application.
The Transmitter was operated in the normal operating mode. The TX frequency was fixed which was for the
purpose of the measurements.
Test of channel included the lowest and middle and highest frequency to perform the test, then record on this
report.
The EUT has been tested under its typical operating condition so those modulation and channel were used
for all test.
Pre-defined engineering program for regulatory testing used to control the EUT for staying in continuous
transmitting and receiving mode is programmed.

Frequency and Channel list:
                    Frequency                             Frequency                       Frequency
     Channel                              Channel                        Channel
                        (MHz)                               (MHz)                           (MHz)
         0               2402                 1              2403            2               2404
        …                 …                  …                …             …                 …
        75               2477                76              2478           77               2479

Test Frequency and Channel list:
           Lowest Frequency                  Middle Frequency                 Highest Frequency
                       Frequency                          Frequency                       Frequency
      Channel                             Channel                        Channel
                         (MHz)                              (MHz)                           (MHz)
         0                2402               39              2441           77               2479




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5     FACILITIES AND ACCREDITATIONS
5.1   FACILITIES
All measurement facilities used to collect the measurement data are located at
Bldg 69, Majialong Industry Zone District, Nanshan District, Shenzhen, China
The sites are constructed in conformance with the requirements of ANSI C63.7, ANSI C63.10 and CISPR
Publication 22.


5.2 LABORATORY ACCREDITATIONS AND LISTINGS
Site Description
EMC Lab.               : Accredited by CNAS,2016.10.24
                         The certificate is valid until 2022.10.28
                         The Laboratory has been assessed and proved to be in compliance with
                         CNAS-CL01:2006 (identical to ISO/IEC 17025:2005)
                         The Certificate Registration Number is L2291.

                                   Accredited by TUV Rheinland Shenzhen 2016.5.19
                                   The Laboratory has been assessed according to the requirements ISO/IEC
                                   17025.

                                   Accredited by FCC, August 06, 2018
                                   The certificate is valid until August 07, 2020
                                   Designation Number: CN1204
                                   Test Firm Registration Number: 882943

                                   Accredited by A2LA, July 31, 2017
                                   The Certificate Registration Number is 4321.01.

                                   Accredited by Industry Canada, November 09, 2018
                                   The Conformity Assessment Body Identifier is CN0008.




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6   TEST SYSTEM UNCERTAINTY
    The following measurement uncertainty levels have been estimated for tests performed on the
apparatus:
                      Parameter                                     Uncertainty
      Radio Frequency                                                ±1x10^-5
      Maximum Peak Output Power Test                                  ±1.0dB
      Conducted Emissions Test                                        ±2.0dB
      Radiated Emission Test                                          ±2.0dB
      Occupied Bandwidth Test                                         ±1.0dB
      Band Edge Test                                                   ±3dB
      All emission, radiated                                           ±3dB
      Antenna Port Emission                                            ±3dB
      Temperature                                                     ±0.5℃
      Humidity                                                         ±3%

    Measurement Uncertainty for a level of Confidence of 95%




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7   SETUP OF EQUIPMENT UNDER TEST
7.1 RADIO FREQUENCY TEST SETUP 1
The EUT wireless component’s antenna ports(s) of the EUT are connected to the measurement instrument
per an appropriate attenuator. The EUT is controlled by PC/software to emit the specified signals for the
purpose of measurements.




7.2 RADIO FREQUENCY TEST SETUP 2
The test site semi-anechoic chamber has met the requirement of NSA tolerance 4 dB according to the
standards: ANSI C63.10. The test distance is 3m.The setup is according to the requirements in Section
13.1.4.1 of ANSI C63.10-2013 and CAN/CSA-CEI/IEC CISPR 22.
Below 30MHz:
The EUT is placed on a turntable 0.8 meters above the ground in the chamber, 3 meter away from the
antenna (loop antenna). The Antenna should be positioned with its plane vertical at the specified distance
from the EUT and rotated about its vertical axis for maximum response at each azimuth about the EUT. The
center of the loop shall be 1 m above the ground. For certain applications, the loop antenna plane may also
need to be positioned horizontally at the specified distance from the EUT.
30MHz-1GHz:
The EUT is placed on a turntable 0.8 meters above the ground in the chamber, 3 meter away from the
antenna. The maximal emission value is acquired by adjusting the antenna height, polarisation and turntable
azimuth. Normally, the height range of antenna is 1 m to 4 m, the azimuth range of turntable is 0° to 360°,
and the receive antenna has two polarizations Vertical (V) and Horizontal (H).
Above 1GHz:
The EUT is placed on a turntable 1.5 meters above the ground in the chamber, 3 meter away from the
antenna. The maximal emission value is acquired by adjusting the antenna height, polarisation and turntable
azimuth. Normally, the height range of antenna is 1 m to 4 m, the azimuth range of turntable is 0° to 360°,
and the receive antenna has two polarizations Vertical (V) and Horizontal (H).

(a) Radiated Emission Test Set-Up, Frequency Below 30MHz




       Turntable                        3m
                       EUT

                                                                                  Test
                                   0.8 m
                                                                                 Receiver

       Ground Plane                                      Coaxial Cable




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(b) Radiated Emission Test Set-Up, Frequency Below 1000MHz




                                     3m

             Turntable
                                                                              1m to 4m
                              EUT
        Test
                                           0.8m
       Receiver

           Ground Plane                                      Coaxial Cable


(c) Radiated Emission Test Set-Up, Frequency above 1000MHz




                         3m

     Turntable                 4m

             EUT

                                    1.5m
                          1.5m                                                   Test
                                                                  Amplifier    Receiver




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7.3 CONDUCTED EMISSION TEST SETUP
The mains cable of the EUT (maybe per AC/DC Adapter) must be connected to LISN. The LISN
shall be placed 0.8 m from the boundary of EUT and bonded to a ground reference plane for
LISN mounted on top of the ground reference plane. This distance is between the closest points
of the LISN and the EUT. All other units of the EUT and associated equipment shall be at least
0.8m from the LISN.
Ground connections, where required for safety purposes, shall be connected to the reference
ground point of the LISN and, where not otherwise provided or specified by the manufacturer,
shall be of same length as the mains cable and run parallel to the mains connection at a
separation distance of not more than 0.1 m.
According to the requirements in Section 13.1.4.1 of ANSI C63.10-2013 Conducted emissions
from the EUT measured in the frequency range between 0.15 MHz and 30 MHz using CISPR
Quasi-Peak and average detector mode.




7.4 SUPPORT EQUIPMENT
 EUT Cable List and Details
      Cable Description                Length (m)         Shielded/Unshielded        With / Without Ferrite

               /                             /                            /                    /

 Auxiliary Cable List and Details
      Cable Description                Length (m)         Shielded/Unshielded        With / Without Ferrite

               /                             /                            /                    /

 Auxiliary Equipment List and Details
         Description                Manufacturer                    Model                Serial Number

               /                         /                            /                            /
Notes:
 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during
   the test.
 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the
   intended use.




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8     TEST REQUIREMENTS
8.1 BANDWIDTH TEST
8.1.1    Applicable Standard

According to FCC Part 15.249

8.1.2    Conformance Limit

N/A
8.1.3    Test Configuration

Test according to clause 7.1 radio frequency test setup 1
8.1.4    Test Procedure

The EUT was operating in controlled its channel. Printed out the test result from the spectrum by hard copy
function.
The RF output of EUT was connected to the spectrum analyzer by RF cable and attenuator. The path loss
was compensated to the results for each measurement.
Set to the maximum power setting and enable the EUT transmit continuously
Set RBW ≥ 1% of the 20 dB bandwidth(3KHz)
Set the video bandwidth (VBW) ≥ RBW(10KHz).
Set Span= approximately 2 to 3 times the 20 dB bandwidth
Set Detector = Peak.
Set Trace mode = max hold.
Set Sweep = auto couple.
Measure the maximum width of the emission that is constrained by the frequencies associated with the two
outermost amplitude points (upper and lower frequencies) that are attenuated by 20 dB relative to the
maximum level measured in the fundamental emission.
Measure and record the results in the test report.
Test Results
    Temperature:            22° C
    Relative Humidity:      53%
    ATM Pressure:           1011 mbar


    Operation      Channel          Channel       20db Measurement         Limit
     Mode          Number          Frequency          Bandwidth            (kHz)      Verdict
                                     (MHz)              (MHz)
                        0             2402              1.834               N/A       PASS
      GFSK             39             2441                  1.834           N/A       PASS
                       77               2479                1.844           N/A       PASS
    Note: N/A (Not Applicable)




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                 Occupied Bandwidth
  Test Model     GFSK
                 Channel 0: 2402MHz




                 Occupied Bandwidth
  Test Model     GFSK
                 Channel 39: 2441MHz




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                Occupied Bandwidth
 Test Model     GFSK
                Channel 77: 2479MHz




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8.2 RADIATED SPURIOUS EMISSION

8.2.1    Applicable Standard

According to FCC Part 15.249 and 15.209
8.2.2   Conformance Limit

According to FCC Part 15.249: radiated emissions which fall in the restricted bands, as defined in §15.205(a),
must also comply with the radiated emission limits specified in §15.209(a) (see §15.205(c)).
According to FCC Part15.205, Restricted bands
           MHz                            MHz                        MHz                       GHz
       0.090-0.110                   16.42-16.423                  399.9-410                 4.5-5.15
      10.495-0.505               16.69475-16.69525                  608-614                 5.35-5.46
     2.1735-2.1905               16.80425-16.80475                 960-1240                 7.25-7.75
       4.125-4.128                     25.5-25.67                 1300-1427                 8.025-8.5
   4.17725-4.17775                     37.5-38.25                1435-1626.5                  9.0-9.2
   4.20725-4.20775                       73-74.6                1645.5-1646.5                 9.3-9.5
       6.215-6.218                      74.8-75.2                 1660-1710                 10.6-12.7
   6.26775-6.26825                       123-138                  2200-2300                14.47-14.5
       8.291-8.294                   149.9-150.05                 2310-2390                15.35-16.2
       8.362-8.366              156.52475-156.52525              2483.5-2500                17.7-21.4
   8.37625-8.38675                    156.7-156.9                 2690-2900               22.01-23.12
   8.41425-8.41475                 162.0125-167.17                3260-3267                 23.6-24.0
      12.29-12.293                   167.72-173.2                 3332-3339                 31.2-31.8
  12.51975-12.52025                      240-285                 3345.8-3358               36.43-36.5
  12.57675-12.57725                    322-335.4                  3600-4400                     (2)
       13.36-13.41
According to FCC Part15.205, the level of any transmitter spurious emission in Restricted bands shall not
exceed the level of the emission specified in the following table
Restricted Frequency(MHz) Field Strength (μV/m)              Field Strength (dBμV/m)   Measurement Distance
        0.009-0.490                      2400/F(KHz)               20 log (uV/m)                 300
        0.490-1.705                      2400/F(KHz)               20 log (uV/m)                  30
          1.705-30                            30                        29.5                      30
             30-88                           100                         40                        3
            88-216                           150                        43.5                       3
           216-960                           200                         46                        3
         Above 960                           500                         54                        3
Remark :1. Emission level in dBuV/m=20 log (uV/m)
          2. Measurement was performed at an antenna to the closed point of EUT distance of meters.
          3. Distance extrapolation factor =40log(Specific distance/ test distance)( dB);
             Limit line=Specific limits(dBuV) + distance extrapolation factor.
             for the frequency ranges below 30 MHz, a narrower RBW is used for these ranges but the
             measured value should add a RBW correction factor (RBWCF) where RBWCF [dB] =10*lg(100
             [kHz]/narrower RBW [kHz]). , the narrower RBW is 1 kHz and RBWCF is 20 dB for the frequency
             9 kHz to 150 kHz, and the narrower RBW is 10 kHz and RBWCF is 10 dB for the frequency 150
             kHz to 30 MHz.




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Field strength of fundamental and Field strength of harmonics Limit:
                               Field strength of fundamental              Field strength of harmonics
Fundamental frequency
                                      (millivolts/meter)                       (microvolts/meter)
        902-928 MHz                    50(94 dBV/m)                             500(54 dBV/m)
   2400-2483.5 MHz                     50(94 dBV/m)                             500(54 dBV/m)
     5725-5875 MHz                     50(94 dBV/m)                             500(54 dBV/m)
     24.0-24.25 GHz                  250(108 dBV/m)                            2500(68 dBV/m)



As shown in §15.35(b), for frequencies above 1000 MHz, the field strength limits in paragraphs (a) and (b) of
this section are based on average limits. However, the peak field strength of any emission shall not exceed
the maximum permitted average limits specified above by more than 20 dB under any condition of
modulation

For this report
                                                     Field Strength            Field Strength of Spurious
           Fundamental Frequency
                                                    Of Fundamental                     Emissions
                                                                                  AV:54 dBuV/m at 3m
                                             AV:94 dBuV/m at 3m distance
                                                                                        distance
              2400-2483.5 MHz
                                                PK:114 dBuV/m at 3m              PK:74 dBuV/m at 3m
                                                      distance                          distance


8.2.3    Test Configuration

Test according to clause 7.2 radio frequency test setup 2
8.2.4    Test Procedure

This test is required for any spurious emission that falls in a Restricted Band, as defined in Section 15.205.
It must be performed with the highest gain of each type of antenna proposed for use with the EUT. Use the
following spectrum analyzer settings:
The EUT was placed on a turn table which is 0.8m above ground plane.
Maximum procedure was performed on the highest emissions to ensure EUT compliance.
Span = wide enough to fully capture the emission being measured
RBW = 1 MHz for f ≥ 1 GHz(1GHz to 25GHz), 100 kHz for f < 1 GHz(30MHz to 1GHz)
VBW ≥ RBW
Sweep = auto
Detector function = peak
Trace = max hold
Follow the guidelines in ANSI C63.10-2013 with respect to maximizing the emission by rotating the EUT,
measuring the emission while the EUT is situated in three orthogonal planes (if appropriate), adjusting the
measurement antenna height and polarization, etc. A pre-amp and a high pass filter are required for this
test, in order to provide the measuring system with sufficient sensitivity. Allow the trace to stabilize. The
peak reading of the emission, after being corrected by the antenna factor, cable loss, pre-amp gain, etc., is
the peak field strength, which must comply with the limit specified in Section 15.35(b). Submit this data.
Now set the VBW to 10 Hz, while maintaining all of the other instrument settings. This peak level, once
corrected, must comply with the limit specified in Section 15.209. If the dwell time per channel of the
hopping signal is less than 100 ms, then the reading obtained with the 10 Hz VBW may be further adjusted
by a “duty cycle correction factor”, derived from 20log(dwell time/100 ms), in an effort to demonstrate
compliance with the 15.209 limit. Submit this data.
Repeat above procedures until all frequency measured was complete.




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8.2.5     Test Results

     Temperature:             24° C
     Relative Humidity:       53%
     ATM Pressure:            1011 mbar

     Spurious Emission below 30MHz (9KHz to 30MHz)

                                   Emission
       Freq.     Ant.Pol.                             Limit 3m(dBuV/m)           Over(dB)
                               Level(dBuV/m)
      (MHz)
                  H/V          PK           AV           PK         AV        PK          AV
        --          --          --           --          --          --       --           --
 Note: the amplitude of spurious emission that is attenuated by more than 20dB below the permissible
 limit has no need to be reported.
 Distance extrapolation factor =40log(Specific distance/ test distance)( dB);
 Limit line=Specific limits(dBuV) + distance extrapolation factor

     Field Strength of the fundamental signal

                                     Emission
       Freq.     Ant.Pol.                                 Limit 3m(dBuV/m)             Over(dB)
                                  Level(dBuV/m)
      (MHz)
                   H/V            PK          AV              PK       AV           PK           AV
        2402        V            88.61      66.53             114      94         -25.39       -27.47
        2402        H            92.99      68.02             114      94         -21.01       -25.98

        2441        V            89.37        65.17           114      94         -24.63       -28.83
        2441        H            95.82        70.26           114      94         -18.18       -23.74

     2479         V        88.35       68.37       114          94                -25.65       -25.63
     2479         H        95.56       71.26       114          94                -18.44       -22.74
Note: (1) Correct Factor= Antenna Factor +Cable Loss- Amplifier Gain
       (2) Emission Level= Reading Level+Probe Factor +Cable Loss

     Out of Band Emissions
    Test mode:       GFSK                        Frequency:           Channel 0: 2402MHz

     Frequency                      PK(dBuV/m)         Limit 3m                 AV(dBuV/m)       Limit 3m
                    Polarity                                        Over(dB)                                       Over(dB)
       (MHz)                      (VBW=3MHz)          (dBuV/m)                 (VBW=10Hz)       (dBuV/m)
     2315.860             H           46.17              74         -27.83         31.55            54              -22.45
     2385.640             V           44.14              74         -29.86         29.36            54              -24.64

    Test mode:          GFSK                     Frequency:           Channel 77: 2479MHz

     Frequency                      PK(dBuV/m)         Limit 3m                 AV(dBuV/m)       Limit 3m
                    Polarity                                        Over(dB)                                       Over(dB)
       (MHz)                      (VBW=3MHz)          (dBuV/m)                 (VBW=10Hz)       (dBuV/m)
     2483.505         H             57.64            74       -16.36       38.55            54           -15.45
     2483.713         V             45.48            74       -28.52       30.26            54           -23.74
     Note: (1) All Readings are Peak Value (VBW=3MHz) and Peak Value (VBW=10Hz).
           (2) Emission Level= Reading Level+Correct Factor +Cable Loss.
           (3) Correct Factor= Ant_F + Cab_L - Preamp
           (4)Data of measurement within this frequency range shown “ -- ” in the table above means the
               reading of emissions are attenuated more than 20dB below the permissible limits or the field
               strength is too small to be measured.



TRF No.:FCC 15.249/A                               Page 18 of 32             Report No.: ES190424986W02 Ver.1.0


                                                                               Access to the World


                   Band Emissions
Test Model         Low
                   Test By: King Kong                   GFSK               H




                   Band Emissions
Test Model         Low
                   Test By: King Kong                   GFSK               V




TRF No.:FCC 15.249/A                    Page 19 of 32          Report No.: ES190424986W02 Ver.1.0


                                                                               Access to the World


                   Band Emissions
Test Model         High
                   Test By: King Kong                   GFSK               H




                   Band Emissions
Test Model         High
                   Test By: King Kong                   GFSK               V




TRF No.:FCC 15.249/A                    Page 20 of 32          Report No.: ES190424986W02 Ver.1.0


                                                                                            Access to the World


     Spurious Emission Above 1GHz (1GHz to 25GHz)

    Test mode:          GFSK                    Frequency:           Channel 0: 2402MHz

                                    Emission
       Freq.       Ant.Pol.                              Limit 3m(dBuV/m)             Over(dB)
                                 Level(dBuV/m)
      (MHz)
                     H/V         PK          AV            PK         AV          PK            AV
      7899.45         V         52.33      39.06           74         54        -21.67        -14.94
     11271.40         V         55.76      41.03           74         54        -18.24        -12.97
     14949.35         V         56.22      41.27           74         54        -17.78        -12.73
      4803.75         H         50.91      36.47           74         54        -23.09        -17.53
     10038.05         H         54.72      40.21           74         54        -19.28        -13.79
     14989.30         H         57.13      41.26           74         54        -16.87        -12.74

    Test mode:          GFSK                    Frequency:           Channel 39: 2441MHz

                                    Emission
       Freq.       Ant.Pol.                              Limit 3m(dBuV/m)             Over(dB)
                                 Level(dBuV/m)
      (MHz)
                     H/V         PK          AV            PK         AV          PK            AV
     10108.60         V         54.84      39.43           74         54        -19.16        -14.57
     11570.60         V         55.34      40.18           74         54        -18.66        -13.82
     13933.60         V         56.61      41.37           74         54        -17.39        -12.63
      4881.95         H         53.20      39.25           74         54        -20.80        -14.75
     11404.00         H         55.55      40.28           74         54        -18.45        -13.72
     14869.45         H         56.32      41.47           74         54        -17.68        -12.53

    Test mode:          GFSK                    Frequency:           Channel 77: 2479MHz

                                    Emission
       Freq.       Ant.Pol.                              Limit 3m(dBuV/m)             Over(dB)
                                 Level(dBuV/m)
      (MHz)
                     H/V         PK          AV            PK         AV          PK            AV
      7023.95         V         48.95      34.23           74         54        -25.05        -19.77
     10575.25         V         54.93      40.17           74         54        -19.07        -13.83
     13733.85         V         56.31      41.09           74         54        -17.69        -12.91
      4960.15         H         48.95      34.67           74         54        -25.05        -19.33
      9684.45         H         55.23      40.16           74         54        -18.77        -13.84
     15161.00         H         57.02      41.27           74         54        -16.98        -12.73

     Note:     (1) All Readings are Peak Value (VBW=3MHz) and Peak Value (VBW=10Hz).
               (2) Emission Level= Reading Level+Correct Factor +Cable Loss.
               (3) Correct Factor= Ant_F + Cab_L - Preamp
               (4)Data of measurement within this frequency range shown “ -- ” in the table above means the
                   reading of emissions are attenuated more than 20dB below the permissible limits or the field
                   strength is too small to be measured.




TRF No.:FCC 15.249/A                               Page 21 of 32           Report No.: ES190424986W02 Ver.1.0


                                                                                                                              FMTEK

                                                      Radiated Emission Measurem ent
             File :DONGJU                            Data #79                        Date: 2019(06(04            Time: 161043
        90. 0     dBu¥/m
                                                                                                                           Limitl:      —
                                                                                                                           Margin:      —
        70



        6o




      20.000 127.00              221.00      a1.00        a10.00    s15.00     612.00  zo. 00                 s05.00           1000.00 MHz
Site 3m Chamber #1                                                    Polarization: Vertical                           Tempersture;    28.5C
Limit (REFCC PART 15 C                                                     Power,.     DC 3¥                           Humicity:            48 %
EUT: ThinkPad X1 Presenter Mouse
M/N:—        ThinkPad X1 Presenter Mouse
Mode:2.4G TX2402
Note:

                             Reading       Corect      Measure—                                     Antenna       Table
No. Mk             Freq       Level         Factor       ment      Limit      Over                   Height        Degree
                    MHz        dBuv          d8         dBu\im     dBuWim      dB        Detector       ¢em       degree      Comment

  1              39.7507       36.M1       41318         2248      40.00 —17.54            peak
  2              42.7312       28 14       —11.63        16.61     40.00 —23.38            peak
  3              99.7187       28.32       1269          15.63     43.50 —27.87            peak
  4             607.0287       29 08       —2 07         27.02     46.00 —18.98            peak
  5 "           720.9782       30 97       —0 .55        30 .42    46.00 —15.58            peak
  5             880 4787       28 .73       3 63         32.26      54.00 —21.74           peak




*Maximum data               x:Qver limit    ‘over margin                                                         Operator.       CITR


                                                       Access to the World




TRF No.:FCC 15.249/A   Page 23 of 32   Report No.: ES190424986W02 Ver.1.0


                                                                                                                          FMTEK
                                                    Radiated Emission Measurem ent
         File :DONGJU                             Data #81                        Date: 2019/05704           Time: 161251
      ©0.0 dBu¥/m
                                                                                                                       Limit1:     —
                                                                                                                       Marain:     —
      70



      60



      50



      4n—l—l

      30                                                                              4

                                                        3
      20          2


      o

    0.0
       20.000 127.00         224.00     9321.00        410.00    515.00     ©12.00    709.00              ©06.00           1000.00 Mz
Site 3m Chamber#1                                                  Polarization:   Vertical                        Temperature     245C
Limit (REJFCC PART 16 C                                                 Power,.     DC 37¥                         Humnidity:          48 %
EUT: ThinkPad X1 Presenter Mouse
M/N: ThinkPad X1 Presenter Mouse
Mode:2.4G TX2441
Note


                         Reading      Correct       Measure—                                     Antenna       Table
No. Mk.        Freq       Level       Factor          ment      Limit     Over                   Height      Degree
               MHz         dBu¥         B            dBu¥?m     dBuyim      dB        Detector       ¢m       degree      Comment

  1         33.8800        95.92      41312           22.20     40.00     —17 60          peak
  2        107.7212        29.88      —1243           17.25     43.50     —28.25          peak
  3        403 4500        28.76      —5.93           22.83     46.00     —23.17          peak
  4        835 4924        29.33      —1.81           27 .52    46.00 1848                peak
  5        778.9000        31.01       0.09           31.10     46.00 —14.90              peak
  8 *      945.9225        29 .08      2 58           32.76     46.00     —13.24          peak




*Maximum data           x:Qverlimit    Tover margin                                                          Operator.       CTR


                                                                                                                          FMTEK
                                                       Radiated Emission Measurem ent
           File ;DONGJU                              Data #82                        Date: 2019/05704         Time: 1513:54
      $0.0     dBu¥/m
                                                                                                                       Limit1:     —
                                                                                                                       Marain:     —
      J


      co


      sa


      a0


      30


      20


      o

    0.0
       20.000 127.00           224.00      9321.00        410.00    515.00     ©12.00    709.00  ©06.00                     1000.00 Mz
Site 3m Chamber#1                                                     Polarization:   Morizontai                    Temperature     245C
Limit (REJFCC PART 16 C                                                    Power,.     DC 37¥                       Humnidity:         48 %
EUT: ThinkPad X1 Presenter Mouse
M/N: ThinkPad X1 Presenter Mouse
Mode:2.4G TX2441
Note


                           Reading      Correct        Measure—                                     Antenna    Table
No. Mk.          Freq       Level        Factor          ment      Limit     Over                   Height    Degree
                 MHz         dBu¥         B             dBu¥?m     dBuyim      dB        Detector       ¢m    degree      Comment

  1           33.6375        39.42      —13.25           19 .87    40.00     —2013          OP
  2          101.7800        28.09      —12.50           15.59     43.50     —27 91       oP
  3          318.6760        27.77       —7 .96          19.81     46.00     —25.18         QP
  4          566.3402        28.77       —3.69           25.08     46.00 —20.92             oP
  5 *        781.3862        29.07        0.13           29.20     46.00 —18.80             GP
  8          980.2362        29.00        3.52           32.52      54.00    —2148          OP




*Maximum data             x:Qverlimit     Tover margin                                                        Operator.      CTR


                                                                                                                         FMTEK
                                                    Radiated Emission Measurem ent
           Fil :DONGJU                            Data #83                       Date: 2019/05(04           Time: 15:14:59
      80.0     dBu¥/m
                                                                                                                      Limit1:     —
                                                                                                                      Marain:     —
      70



      Go




      20.000 127.00           224.00      321.00       410.00    515.00     61200    709.00              ©06.00           1000.00 Mitz
Site 3m Chamber#1                                                  Polarization:  Vertical                        Temperature:    295C
Limit (REFCC PART 15 C                                                  Power.     DC 37V                         Humidity:           48 %
EUT: ThinkPad X1 Presenter Mouse
M/N:—      ThinkPad X1 Presenter Mouse
Mode:24G TX2478
Note:


                          Reading       Correct     Measure—                                    Antenna      Table
No. Mk.         Freq       Level        Factor        ment      Limit     Over                  Height       Degree
                 MHz        dBu¥          B          dBu¥/m     dBu¥im      dB       Detector       ¢m       degree      Comment

  1           83.75607      §6.14       —13.18        22.96     40.00     —17.04        QP
  2           50.8550       28.38       —11.21        17. 17    40.00     —22.83        QP
  3          109.5400       2793        ~12.53        15 40     43.50     —28 10        OP
  4          419.8187       28.16       —5.58         22.58     46.00     —2342         QP
  5          670.0787       29.07       —1.50         2757      46.00 41843             OP
  6 *        800.6650       29.39        0.29         29.58     46.00     —16.32        OP




*Maximum data            x:Over limit    Fover margin                                                       Operator.       CTR


                                                                                                                                      FMTEK
                                                         Radiated Emission Measurem ent
            File :DONGJU                               Data #84                       Date: 2019(05/04                   Time: 15:18:06
      $0.0         dBu¥/m
                                                                                                                                   Limitl:      —
                                                                                                                                   Matgin       —
      70



      co



      50



      m [
                                                                                          *                 5
      30



      20
               &       3

      19

      0.0
            30.000     127.00      224.00     321.00        418.00    515.00      612.00           709.00            806. 00                 1000.00 MHz
Site 3m Chamber#1                                                       Polarization:         HMorizontal                      Temperature:         29.5C
Limit (REJFCC PART 15 C                                                      Power.     DC37V                                  Humidity:            48 %
EUT: ThinkPad X1 Presenter Mouse
M/N: ThinkPad X1 Presenter Mouse
Mode:2.4G TX2478
Note:

                                Reading      Correct     Measure—                                     Antenna              Table
No. Mk.              Freq        Level       Factor        ment      Limit     Over                    Height            Degree
                     MHz         dBu¥         8           dBu¥im     dBu¥im     dB         Detector             em        degree      Comment

  1             33.9800          35.04      —13.12         21.92     40.00 —18.08             QP
  2             51.5825          2846       1148           17.30     40.00 —22.70             GP
  3           105.2982           28.01      —12.27         15.74     43.50 —27.76             OP
 4            §33.3400           30.60       —1.84         28.76     48.00 —17.24             OP
  5           731.9162           30 41       —0.51         29.90     46.00 —16.10             oP
  § *         945.9012           290.31       2.88         82.19     46.00 —13.81             GP




*Maximum data               x:Over limit      over margin                                                                Operator.       CTR


                                                                                          Access to the World


8.3 CONDUCTED EMISSIONS TEST

8.3.1   Applicable Standard

According to FCC Part 15.207(a)

8.3.2   Conformance Limit

                                    Conducted Emission Limit
           Frequency(MHz)                           Quasi-peak                  Average
               0.15-0.5                                66-56                      56-46
                0.5-5.0                                  56                        46
               5.0-30.0                                  60                        50
Note: 1. The lower limit shall apply at the transition frequencies
       2. The limit decreases in line with the logarithm of the frequency in the range of 0.15 to
         0.50MHz.

8.3.3   Test Configuration

Test according to clause 7.3 conducted emission test setup
8.3.4   Test Procedure

The EUT was placed on a table which is 0.8m above ground plane.
Maximum procedure was performed on the highest emissions to ensure EUT compliance.
Repeat above procedures until all frequency measured were complete.

8.3.5   Test Results

PASS.
Please refer to the following page.




TRF No.:FCC 15.249/A                           Page 28 of 32            Report No.: ES190424986W02 Ver.1.0


                                                       Access to the World




TRF No.:FCC 15.249/A   Page 29 of 32   Report No.: ES190424986W02 Ver.1.0


                                                       Access to the World




TRF No.:FCC 15.249/A   Page 30 of 32   Report No.: ES190424986W02 Ver.1.0


                                                                                            Access to the World



8.4     ANTENNA APPLICATION
8.4.1     Antenna Requirement


                 Standard                                             Requirement
                                      An intentional radiator shall be designed to ensure that no antenna other
                                      than that furnished by the responsible party shall be used with the
                                      device. The use of a permanently attached antenna or of an antenna
                                      that uses a unique coupling to the intentional radiator shall be
                                      considered sufficient to comply with the provisions of this section. The
                                      manufacturer may design the unit so that a broken antenna can be
                                      replaced by the user, but the use of a standard antenna jack or electrical
                                      connector is prohibited. This requirement does not apply to carrier
          FCC CRF Part 15.203
                                      current devices or to devices operated under the provisions of §15.211,
                                      §15.213, §15.217, §15.219, or §15.221. Further, this requirement does
                                      not apply to intentional radiators that must be professionally installed,
                                      such as perimeter protection systems and some field disturbance
                                      sensors, or to other intentional radiators which, in accordance with
                                      §15.31(d), must be measured at the installation site. However, the
                                      installer shall be responsible for ensuring that the proper antenna is
                                      employed so that the limits in this part are not exceeded.

        For intentional device, according to FCC 47 CFR Section 15.203, an intentional radiator shall be
        designed to ensure that no antenna other than that furnished by the responsible party shall be used
        with the device.


8.4.2     Result

PASS.
•         The EUT has 1 antennas: an Chip Antenna for 2.4G, antenna has a gain of 0.5 dBi;
Note:          Antenna use a permanently attached antenna which is not replaceable.
               Not using a standard antenna jack or electrical connector for antenna replacement
               The antenna has to be professionally installed (please provide method of installation)
          which in accordance to section 15.203, please refer to the internal photos.




TRF No.:FCC 15.249/A                              Page 31 of 32           Report No.: ES190424986W02 Ver.1.0


                                                                          Access to the World

Detail of factor for radiated emission
 Frequency(MHz)              Ant_F(dB)   Cab_L(dB)       Preamp(dB)       Correct Factor(dB)
       0.009                    20.6       0.03               \                 20.63
        0.15                    20.7        0.1               \                  20.8
          1                     20.9       0.15               \                 21.05
         10                     20.1       0.28               \                 20.38
         30                     18.8       0.45               \                 19.25

         30                   11.7           0.62           27.9                 -15.58
        100                   12.5           1.02           27.8                 -14.28
        300                   12.9           1.91           27.5                 -12.69
        600                   19.2           2.92            27                   -4.88
        800                   21.1           3.54           26.6                  -1.96
       1000                   22.3           4.17           26.2                   0.27

       1000                   25.6           1.76           41.4                 -14.04
       3000                   28.9           3.27           43.2                 -11.03
       5000                   31.1            4.2           44.6                   -9.3
       8000                   36.2           5.95           44.7                  -2.55
      10000                   38.4            6.3           43.9                    0.8
      12000                   38.5           7.14           42.3                   3.34
      15000                   40.2           8.15           41.4                   6.95
      18000                   45.4           9.02           41.3                 13.12

      18000                   37.9           1.81           47.9                  -8.19
      21000                   37.9           1.95           48.7                  -8.85
      25000                   39.3           2.01           42.8                  -1.49
      28000                   39.6           2.16           46.0                  -4.24
      31000                   41.2           2.24           44.5                  -1.06
      34000                   41.5           2.29           46.6                  -2.81
      37000                   43.8           2.30           46.4                   -0.3
      40000                   43.2           2.50           42.2                    3.5




TRF No.:FCC 15.249/A                     Page 32 of 32    Report No.: ES190424986W02 Ver.1.0



Document Created: 2019-06-04 15:34:01
Document Modified: 2019-06-04 15:34:01

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