Test report

FCC ID: TUVDS-2512

Test Report

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FCCID_3898220

                                      TEST REPORT


                                              FCC ID: TUVDS-2512
                                    Product: 2.4G WIRELESS MOUSE
                                Model No.: GFT-M001
       Additional Model: DS-2512, DS-2516, DS-2522, DS-2526, DS-2553, DS-2558,
                              DS-2559, DS-2675, DS-2693
                                   Trade Mark: N/A
                                         Report No.: TCT180529E015
                                          Issued Date: Jun. 06, 2018



                                                      Issued for:

                           Eastern Times Technology Co., Ltd.
           Building D, Nan An Industry Park, Youganpu Village, Fenggang Town,
                            Dongguan City, Guangdong, China


                                                      Issued By:

                              Shenzhen Tongce Testing Lab.
       1B/F., Building 1, Yibaolai Industrial Park, Qiaotou, Fuyong, Baoan District,
                              Shenzhen, Guangdong, China
                                   TEL: +86-755-27673339
                                            FAX: +86-755-27673332




Note: This report shall not be reproduced except in full, without the written approval of Shenzhen Tongce Testing Lab.
      This document may be altered or revised by Shenzhen Tongce Testing Lab. personnel only, and shall be noted in
      the revision section of the document. The test results in the report only apply to the tested sample.




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                                                                                                                            Report No.: TCT180529E015



                                                       TABLE OF CONTENTS

1. Test Certification ..................................................................................... 3
2. Test Result Summary .............................................................................. 4
3. EUT Description ....................................................................................... 5
4. Genera Information.................................................................................. 6
     4.1. Test Environment and Mode ............................................................................................................ 6
     4.2. Description of Support Units ........................................................................................................... 6

5. Facilities and Accreditations .................................................................. 7
     5.1. Facilities ............................................................................................................................................. 7
     5.2. Location.............................................................................................................................................. 7
     5.3. Measurement Uncertainty ................................................................................................................ 7

6. Test Results and Measurement Data ..................................................... 8
     6.1. Antenna Requirement ....................................................................................................................... 8
     6.2. Conducted Emission ......................................................................................................................... 9
     6.3. Radiated Emission Measurement .................................................................................................. 10
     6.4. 20dB Occupied Bandwidth ............................................................................................................. 19

Appendix A: Photographs of Test Setup
Appendix B: Photographs of EUT




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                                                                           Report No.: TCT180529E015


1. Test Certification
 Product:          2.4G WIRELESS MOUSE
 Model No.:        GFT-M001
 Additional        DS-2512, DS-2516, DS-2522, DS-2526, DS-2553, DS-2558,
 Model:            DS-2559, DS-2675, DS-2693
 Trade Mark:       N/A
 Applicant:        Eastern Times Technology Co., Ltd.
                   Building D, Nan An Industry Park, Youganpu Village, Fenggang Town,
 Address:
                   Dongguan City, Guangdong, China
 Manufacturer: Eastern Times Technology Co., Ltd.

                   Building D, Nan An Industry Park, Youganpu Village, Fenggang Town,
 Address:
                   Dongguan City, Guangdong, China

 Date of Test:     May 30, 2018 – Jun. 05, 2018
 Applicable
                   FCC CFR Title 47 Part 15 Subpart C Section 15.249
 Standards:


The above equipment has been tested by Shenzhen Tongce Testing Lab. and found
compliance with the requirements set forth in the technical standards mentioned above. The
results of testing in this report apply only to the product/system, which was tested. Other
similar equipment will not necessarily produce the same results due to production tolerance
and measurement uncertainties.




              Tested By:                                     Date:       Jun. 05, 2018

                                  Jerry Xie

          Reviewed By:                                       Date:       Jun. 06, 2018

                                 Beryl Zhao

          Approved By:                                       Date:       Jun. 06, 2018

                                   Tomsin




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                                                                                            Report No.: TCT180529E015



2.       Test Result Summary

             Requirement                                   CFR 47 Section                       Result
        Antenna Requirement                                     §15.203                         PASS
     AC Power Line Conducted
                                                                §15.207                           N/A
           Emission
           Field Strength of
                                                              §15.249 (a)                       PASS
             Fundamental
                                                           §2.1053
         Spurious Emissions                                                                     PASS
                                                    §15.249 (a) (d)/ §15.209
                                                             §2.1053
               Band Edge                                                                        PASS
                                                       §15.249 (d)/ §15.205
                                                               §2.1049
     20dB Occupied Bandwidth                                                                    PASS
                                                              §15.215 (c)
 Note:
       1. Pass: Test item meets the requirement.

       2. Fail: Test item does not meet the requirement.

       3. N/A: Test case does not apply to the test object.

       4. The test result judgment is decided by the limit of test standard.




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                                                                                        Report No.: TCT180529E015



3. EUT Description
 Product:                         2.4G WIRELESS MOUSE
 Model No.:                       GFT-M001
                                  DS-2512, DS-2516, DS-2522, DS-2526, DS-2553, DS-2558,
 Additional Model:
                                  DS-2559, DS-2675, DS-2693
 Trade Mark:                      N/A
 Hardware Version:                MA37P1 S0P16E
 Software Version:                CODE: MA37P1_K+M_V01test17.hex Check Sum: CBC0
 Operation Frequency:             2408 - 2474MHz
 Number of Channel:               34
 Modulation
                                  FSK
 Technology:
 Antenna Type:                    PCB Antenna
 Antenna Gain:                    -2dBi
 Power Supply:                    DC 1.5V
                                  All models above are identical in interior structure, electrical
 Remark:                          circuits and components, and just colors are different for the
                                  marketing requirement.
Operation Frequency Each of Channel
Channel Frequency Channel Frequency Channel Frequency Channel Frequency
    0     2408MHz     10    2428 MHz  20    2448 MHz    30    2468 MHz
    1     2410 MHz    11    2430 MHz  21    2450 MHz    31    2470 MHz
    2     2412 MHz    12    2432 MHz  22    2452 MHz    32    2472 MHz
    3     2414 MHz    13    2434 MHz  23    2454 MHz    33    2474 MHz
    4     2416 MHz    14    2436 MHz  24    2456 MHz
    5     2418 MHz    15    2438 MHz  25    2458 MHz
    6     2420 MHz    16    2440 MHz  26    2460 MHz
    7     2422 MHz    17    2442 MHz  27    2462 MHz
    8     2424 MHz    18    2444 MHz  28    2464 MHz
    9     2426 MHz    19    2446 MHz  29    2466 MHz
Note:
    In section 15.31(m), regards to the operating frequency range over 10 MHz, the Lowest frequency, the middle
    frequency, and the highest frequency of channel were selected to perform the test, and the selected channel see
    below:
             Channel              Frequency
        The lowest channel        2408MHz
        The middle channel        2440MHz
        The Highest channel       2474MHz


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                                                                                           Report No.: TCT180529E015



4. Genera Information
4.1. Test Environment and Mode
  Operating Environment:
     Temperature:                               25.0 C
     Humidity:                                  54 % RH
     Atmospheric Pressure:                      1010 mbar

  Test Mode:
                                                Keep the EUT in continuous transmitting by select
     Engineering mode:
                                                channel
  The sample was placed (0.8m below 1GHz, 1.5m above 1GHz) above the ground
  plane of 3m chamber. Measurements in both horizontal and vertical polarities were
  performed. During the test, each emission was maximized by: having the EUT
  continuously working, investigated all operating modes, rotated about all 3 axis (X, Y &
  Z) and considered typical configuration to obtain worst position, manipulating
  interconnecting cables, rotating the turntable, varying antenna height from 1m to 4m in
  both horizontal and vertical polarizations. The emissions worst-case are shown in Test
  Results of the following pages.


4.2. Description of Support Units
 The EUT has been tested as an independent unit together with other necessary
 accessories or support units. The following support units or accessories were used to
 form a representative test configuration during the tests.


  Equipment              Model No.               Serial No.               FCC ID               Trade Name

          /                    /                       /                      /                        /
 Note:
     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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                                                                          Report No.: TCT180529E015



5. Facilities and Accreditations
5.1. Facilities
  The test facility is recognized, certified, or accredited by the following organizations:
  ● FCC - Registration No.: 645098
    Shenzhen Tongce Testing Lab
    The 3m Semi-anechoic chamber has been registered and fully described in a report
    with the (FCC) Federal Communications Commission. The acceptance letter from the
    FCC is maintained in our files.
  ● IC - Registration No.: 10668A-1
    The 3m Semi-anechoic chamber of Shenzhen TCT Testing Technology Co., Ltd. has
    been registered by Certification and Engineering Bureau of Industry Canada for radio
    equipment testing
5.2. Location
   Shenzhen Tongce Testing Lab
   Address: 1B/F., Building 1, Yibaolai Industrial Park, Qiaotou, Fuyong, Baoan District,
            Shenzhen, Guangdong, China
   TEL: 86-755-27673339
5.3. Measurement Uncertainty
  The reported uncertainty of measurement y ± U, where expended uncertainty U is based
  on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of
  confidence of approximately 95 %.
  No.     Item                                                               MU
  1       Conducted Emission                                                 ±2.56dB
  2       RF power, conducted                                                ±0.12dB
  3       Spurious emissions, conducted                                      ±0.11dB
  4       All emissions, radiated(<1GHz)                                     ±3.92dB
  5       All emissions, radiated(>1GHz)                                     ±4.28dB
  6       Temperature                                                        ±0.1°C
  7       Humidity                                                           ±1.0%




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                                                                          Report No.: TCT180529E015



6. Test Results and Measurement Data
6.1. Antenna Requirement

 Standard requirement:            FCC Part15 C Section 15.203
 15.203 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, 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.
 E.U.T Antenna:
 The EUT antenna is PCB antenna which permanently attached, and the best case gain
 of the antenna is -2dBi.




                                                                                  Antenna




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TCT                                                                                   Report No.: TCT180520E015



6.2.Conducted Emission

6.2.1. Test Specification

  Test Requirement:               FCC Part15 C Section 15.207
  Test Method:                   ANSI ©63.10:2013
  Frequency Range:                150 kHz to 30 MHz
  Receiver setup:                 RBW=9 kHz, VBW=30 kHz, Sweep time=auto
                                     Frequency range                           Limit (dBuV)
                                          (MHz)                       Quasi—peak          Average
  Limits:                                0.15—0.5                       66 to 56*        56 to 46*
                                           0.5—5                           56                46
                                           5—30                            60                50
                                                          Reference Plane

                                        LISN                                       LISN
                                                          (40cm        80cm

                                      ux                                            m           AC power
                                       Equipment             E.U.T
  Test Setup:                                                                 Em
                                                                              Receiver
                                        Test table/Insulation plane


                                   Remark
                                   EU T Equibment Under Test
                                   LISN Ling Impedence Stabilzation Network
                                   Testtable height=0 Bm

  Test Mode:                     Transmitting mode with modulation
                                  1. The E.U.T and simulators are connected to the main
                                     power through a line impedance stabilization network
                                    (L.L.S.N.}. This provides a 50ohm/50uH coupling
                                     impedance for the measuring equipment.
                                   . The peripheral devices are also connected to the main
                                     power through a LISN that provides a 50ohm/50uH
                                     coupling impedance with 50o0hm termination. (Please
  Test Procedure:
                                     refer to the block diagram of the test setup and
                                     photographs).
                                   .Both sides of A.C. line are checked for maximum
                                     conducted interference. In order to find the maximum
                                     emission, the relative positions of equipment and all of
                                     the interface cables must be changed according to
                                    ANSI C63.10:2013 on conducted measurement.
                                  N/A; Because the EUT is powered by the battery, so the
  Test Result:
                                  item is not applicable.



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6.3. Radiated Emission Measurement
6.3.1. Test Specification

  Test Requirement:               FCC Part15 C Section 15.209/ Part 2 J Section 2.1053
  Test Method:                    ANSI C63.10:2013
  Frequency Range:                9 kHz to 25 GHz
  Measurement Distance:           3m
  Antenna Polarization:           Horizontal & Vertical
                                     Frequency   Detector      RBW       VBW          Remark
                                   9kHz- 150kHz Quasi-peak    200Hz      1kHz     Quasi-peak Value
                                      150kHz-   Quasi-peak     9kHz     30kHz     Quasi-peak Value
  Receiver Setup:                      30MHz
                                   30MHz-1GHz Quasi-peak      120kHz   300kHz     Quasi-peak Value
                                                  Peak         1MHz     3MHz        Peak Value
                                    Above 1GHz
                                                  Peak         1MHz     10Hz       Average Value

                                         Frequency           Limit (dBuV/m @3m)       Remark
  Limit(Field strength of the
                                                                     94.00         Average Value
  fundamental signal):               2400MHz-2483.5MHz
                                                                     114.00         Peak Value

                                           Frequency         Limit (dBuV/m @3m)       Remark
                                          0.009-0.490            2400/F(KHz)      Quasi-peak Value
                                          0.490-1.705           24000/F(KHz)      Quasi-peak Value
                                            1.705-30                   30         Quasi-peak Value
                                         30MHz-88MHz                  40.0        Quasi-peak Value
  Limit(Spurious Emissions):
                                        88MHz-216MHz                  43.5        Quasi-peak Value
                                       216MHz-960MHz                  46.0        Quasi-peak Value
                                         960MHz-1GHz                  54.0        Quasi-peak Value
                                                                      54.0         Average Value
                                         Above 1GHz
                                                                      74.0          Peak Value
                                  Emissions radiated outside of the specified frequency
                                  bands, except for harmonics, shall be attenuated by at
  Limit (band edge) :             least 50 dB below the level of the fundamental or to the
                                  general radiated emission limits in Section 15.209,
                                  whichever is the lesser attenuation.
                                  1. The EUT was placed on the top of a rotating table 0.8
                                      meters above the ground at a 3 meter chamber in
                                      below 1GHz, 1.5m above the ground in above
                                      1GHz. The table was rotated 360 degrees to
                                      determine the position of the highest radiation.
                                  2. The EUT was set 3 meters away from the
  Test Procedure:
                                      interference-receiving antenna, which was mounted
                                      on the top of a variable-height antenna tower.
                                  3. The antenna height is varied from one meter to four
                                      meters above the ground to determine the maximum
                                      value of the field strength. Both horizontal and
                                      vertical polarizations of the antenna are set to make

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                                                                        Report No.: TCT180529E015


                                    the measurement.
                                4. For each suspected emission, the EUT was arranged
                                    to its worst case and then the antenna was tuned to
                                    heights from 1 meter to 4 meters and the rotatable
                                    table was turned from 0 degrees to 360 degrees to
                                    find the maximum reading.
                                5. The test-receiver system was set to Peak Detect
                                    Function and Specified Bandwidth with Maximum
                                    Hold Mode.
                                6. If the emission level of the EUT in peak mode was
                                   10dB lower than the limit specified, then testing could
                                   be stopped and the peak values of the EUT would be
                                   reported. Otherwise the emissions that did not have
                                   10dB margin would be re-tested one by one using
                                   peak, quasi-peak or average method as specified and
                                   then reported in a data sheet.
                                For radiated emissions below 30MHz




                                30MHz to 1GHz


Test setup:




                                Above 1GHz
                                (The diagram below shows the test setup that is utilized
                                to make the measurements for emission from 1GHz to
                                the tenth harmonic of the highest fundamental
                                frequency or to 40GHz emissions, whichever is lower.)



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                                                                        Report No.: TCT180529E015




Test results:                   PASS




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                                                                                             Report No.: TCT180529E015



6.3.2. Test Instruments

                                    Radiated Emission Test Site (966)
        Name of                                                                Serial
                                Manufacturer                Model                              Calibration Due
       Equipment                                                              Number
                               ROHDE&SCHW
      Test Receiver                                         ESVD               100008            Sep. 27, 2018
                                   ARZ
                               ROHDE&SCHW
  Spectrum Analyzer                                          FSQ               200061            Sep. 27, 2018
                                   ARZ
                                EM Electronics
       Pre-amplifier             Corporation             EM30265             07032613            Sep. 27, 2018
                                  CO.,LTD
       Pre-amplifier                      HP               8447D            2727A05017           Sep. 27, 2018

      Loop antenna                   ZHINAN              ZN30900A               12024            Sep. 27, 2018

  Broadband Antenna              Schwarzbeck             VULB9163                 340            Sep. 27, 2018

      Horn Antenna               Schwarzbeck           BBHA 9120D                 631            Sep. 27, 2018

      Horn Antenna               Schwarzbeck             BBH 9170                 582            Jun. 07, 2018
      Antenna Mast                       Keleto           CC-A-4M                 N/A                   N/A
       Coax cable
                                         TCT             RE-low-01                N/A            Sep. 27, 2018
      (9KHz-1GHz)
       Coax cable
                                         TCT            RE-high-02                N/A            Sep. 27, 2018
     (9KHz-40GHz)
       Coax cable
                                         TCT             RE-low-03                N/A            Sep. 27, 2018
      (9KHz-1GHz)
       Coax cable
                                         TCT            RE-high-04                N/A            Sep. 27, 2018
     (9KHz-40GHz)

                                   Shurple
   EMI Test Software                                      EZ-EMC                  N/A                   N/A
                                  Technology

Note: The calibration interval of the above test instruments is 12 months and the calibrations are traceable to
       international system unit (SI).




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6.3.3. Test Data
 Field Strength of Fundamental

       Frequency                Emission PK             Horizontal           Limits PK              Margin
         (MHz)                   (dBuV/m)                /Vertical           (dBuV/m)                (dB)
           2408                     75.84                     H                  114                 -38.16
           2408                     68.59                     V                  114                 -45.41
           2440                     76.04                     H                  114                 -37.96
           2440                     68.18                     V                  114                 -45.82
           2474                     73.20                     H                  114                 -40.80
           2474                     66.74                     V                  114                 -47.26

       Frequency                Emission AV             Horizontal           Limits AV              Margin
         (MHz)                   (dBuV/m)                /Vertical           (dBuV/m)                (dB)
           2408                     70.23                     H                   94                 -23.77
           2408                     64.35                     V                   94                 -29.65
           2440                     72.85                     H                   94                 -21.15
           2440                     63.05                     V                   94                 -30.95
           2474                     70.22                     H                   94                 -23.78
           2474                     62.88                     V                   94                 -31.12

 Spurious Emissions
 Frequency Range (9 kHz-30MHz)
    Frequency (MHz)                       Level@3m (dBμV/m)                       Limit@3m (dBμV/m)
              --                                  --                                       --
              --                                  --                                       --
              --                                  --                                       --
              --                                  --                                       --
 Note: 1. Emission Level=Reading+ Cable loss-Antenna factor-Amp factor
       2. The emission levels are 20 dB below the limit value, which are not reported. It is deemed to comply with the
          requirement




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                                                                          Report No.: TCT180529E015

                                Frequency Range (30MHz-1GHz)
Horizontal:




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                                                                                          Report No.: TCT180529E015



Vertical:




   Note: 1, Measurements were conducted in all channels (high, middle, low), and the worst case (high channel) was
            submitted only.

         2, Any value more than 10dB below limit have not been specifically reported.




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                                                                                         Report No.: TCT180529E015

                                                Above 1GHz
                                           Low channel: 2408MHz
                      Peak           AV     Correction   Emission Level
 Frequency Ant. Pol.                                                    Peak limit AV limit Margin
   (MHz)     H/V     reading       reading   Factor     Peak       AV   (dBµV/m) (dBµV/m)    (dB)
                     (dBµV)        (dBuV)    (dB/m) (dBµV/m) (dBµV/m)
  2387.50     H       52.62           ---      -4.2     48.28       ---   74.00     54.00   -5.72
  4816.00     H       51.51           ---     -3.94     47.41       ---   74.00     54.00   -6.59
  7224.00     H       49.73           ---      0.52     49.55       ---   74.00     54.00   -4.45
     ---      ---       ---           ---       ---       ---       ---    ---       ---      ---

  2387.50        V       50.45       ---       -4.2        46.05        ---      74.00       54.00        -7.95
  4816.00        V       48.49       ---       3.94        52.33        ---      74.00       54.00        -1.67
  7224.00        V       46.20       ---       0.52        46.85        ---      74.00       54.00        -7.15
    ---         ---       ---        ---        ---         ---         ---       ---         ---           ---

                                          Middle channel: 2440MHz
                      Peak           AV    Correction    Emission Level
 Frequency Ant. Pol.                                                    Peak limit AV limit              Margin
                     reading       reading   Factor      Peak      AV
   (MHz)     H/V                                                        (dBµV/m) (dBµV/m)                 (dB)
                     (dBµV)        (dBµV)    (dB/m) (dBµV/m) (dBµV/m)
  4880.00     H       52.37           ---     -3.98      48.18      ---   74.00     54.00                 -5.82
  7320.00     H       49.41           ---      0.57      49.84      ---   74.00     54.00                 -4.16
     ---      ---       ---           ---       ---        ---      ---    ---       ---                    ---
     ---      ---       ---           ---       ---        ---      ---    ---       ---                    ---
     ---      ---       ---           ---       ---        ---      ---    ---       ---                    ---

  4880.00       V        51.69       ---       -3.98       47.28                 74.00      54.00         -6.72
  7320.00       V        49.74       ---        0.57       49.62                 74.00      54.00         -4.38
    ---         ---       ---        ---         ---        ---         ---       ---        ---            ---
    ---         ---       ---        ---         ---        ---         ---       ---        ---            ---
    ---         ---       ---        ---         ---        ---        ----       ---        ---            ---

                                           High channel: 2474MHz
                                                         Emission Level
 Frequency   Ant. Pol. Peak          AV     Correction                  Peak    AV limit                 Margin
                       reading     reading    Factor     Peak      AV    limit
   (MHz)       H/V     (dBµV)      (dBµV)    (dB/m) (dBµV/m) (dBµV/m) (dBµV/m) (dBµV/m)                   (dB)
  2486.58       H       51.49         ---      -2.38     49.47      --- 74.00    54.00                    -4.53
  4948.00       H       53.37         ---      -3.98     49.03      --- 74.00    54.00                    -4.97
  7422.00       H       48.25         ---       0.57     49.26      --- 74.00    54.00                    -4.74
    ---         ---       ---         ---        ---      ---       ---    ---    ---                       ---

  2483.51        V       51.15       ---       -2.38      48.66         ---      74.00      54.00         -5.34
  4948.00        V       51.70       ---       -3.98      47.64         ---      74.00      54.00         -6.36
  7422.00        V       50.60       ---        0.57      50.94         ---      74.00      54.00         -3.06
    ---         ---       ---        ---         ---       ---          ---       ---        ---           ---
Note:
 1. Emission Level=Peak Reading + Correction Factor; Correction Factor= Antenna Factor + Cable loss – Pre-amplifier
 2. Margin (dB) = Emission Level (Peak) (dBµV/m)-Average limit (dBµV/m)
 3. The emission levels of other frequencies are very lower than the limit and not show in test report.
 4. Measurements were conducted from 1 GHz to the 10th harmonic of highest fundamental frequency.
 5. Data of measurement shown “---“in the above table mean that the reading of emissions is attenuated more than 20
  dB below the limits or the field strength is too small to be measured.




                                                                                                     Page 17 of 27

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                                                                                             Report No.: TCT180529E015

Band Edge Requirement
Low channel: 2408 MHz
                     Peak             AV    Correction Emission Level
Frequency Ant. Pol. reading         reading  Factor                   Peak limit AV limit Margin
  (MHz)      H/V                                       Peak      AV   (dBµV/m) (dBµV/m)    (dB)
                    (dBµV)          (dBuV)   (dB/m) (dBµV/m) (dBµV/m)
   2400       H      49.13             ---     -4.2    44.93      ---   74.00      ---    -29.07
   2400       H        ---           42.56     -4.2     ---     38.36    ---      54.00   -15.64
    ---       ---      ---             ---      ---     ---       ---    ---       ---      ---

     2400         V       48.61       ---        -4.2       44.41       ---        74.00       ---       -29.59
     2400         V        ---       39.78       -4.2        ---       35.58        ---       54.00      -18.42
      ---        ---       ---        ---         ---        ---        ---         ---        ---         ---


High channel: 2474MHz
                     Peak             AV    Correction Emission Level
Frequency Ant. Pol.                                                   Peak limit AV limit Margin
  (MHz)      H/V    reading         reading  Factor    Peak      AV   (dBµV/m) (dBµV/m)    (dB)
                    (dBµV)          (dBuV)   (dB/m) (dBµV/m) (dBµV/m)
  2483.5      H      50.84             ---     -4.2    46.64      ---   74.00      ---    -27.36
  2483.5      H        ---           41.63     -4.2     ---     37.43    ---      54.00   -16.57
    ---       ---      ---             ---      ---     ---       ---    ---       ---
                                                ---
     2483.5       V       49.39        ---     -4.2    45.19      ---   74.00      ---    -28.81
     2483.5       V        ---       40.82     -4.2     ---     36.62    ---      54.00   -17.38
       ---       ---       ---         ---      ---     ---       ---    ---       ---      ---
Note:
1.    Emission Level=Peak Reading + Correction Factor; Correction Factor= Antenna Factor + Cable loss – Pre-amplifier
2.    Margin (dB) = Emission Level (Peak/Average)(dBµV/m)-(Peak/Average) limit (dBµV/m)
3.    The emission levels of other frequencies are very lower than the limit and not show in test report.
4.    Measurements were conducted from 1 GHz to the 10th harmonic of highest fundamental frequency.
5.    Data of measurement shown “---“in the above table mean that the reading of emissions is attenuated more than 20 dB
      below the limits or the field strength is too small to be measured.




                                                                                                       Page 18 of 27

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                                                                                             Report No.: TCT180529E015




6.4. 20dB Occupied Bandwidth
6.4.1. Test Specification
                                           FCC Part15 C Section 15.215(c)/ Part 2 J Section
  Test Requirement:
                                           2.1049
  Test Method:                             ANSI C63.10: 2013
  Limit:                                   N/A
                                           1. According to the follow Test-setup, keep the relative
                                              position between the artificial antenna and the EUT.
                                           2. Set to the maximum power setting and enable the
                                              EUT transmit continuously.
                                           3. Use the following spectrum analyzer settings for
                                              20dB Bandwidth measurement.
                                              Span = approximately 2 to 3 times the 20 dB
                                              bandwidth,
                                              centered on a hopping channel; RBW≥1% of the 20
                                              dB bandwidth;
                                              VBW≥RBW; Sweep = auto; Detector function =
                                              peak; Trace = max hold.
                                           4. Measure and record the results in the test report.



  Test setup:



  Test Mode:                               Transmitting mode with modulation
  Test results:                            PASS


6.4.2. Test Instruments

                                                 RF Test Room
       Equipment                Manufacturer            Model          Serial Number Calibration Due
   Spectrum Analyzer                 Agilent           N9020A           MY49100060              Sep. 27, 2018
 Note: The calibration interval of the above test instruments is 12 months and the calibrations are traceable to
         international system unit (SI).




                                                                                                        Page 19 of 27

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6.4.3. Test data
                               20dB Occupy
       Test Channel                                          Limit             Conclusion
                              Bandwidth (kHz)
          Lowest                  1727                        ---                 PASS
          Middle                    1727                      ---                 PASS
          Highest                   1724                      ---                 PASS

  Test plots as follows:




                                                                                     Page 20 of 27

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                                                                        Report No.: TCT180529E015


                                      Lowest channel




                                      Middle channel




                                     Highest channel




                                                                                  Page 21 of 27

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                                                                        Report No.: TCT180529E015


                   Appendix A: Photographs of Test Setup
                           Product: 2.4G WIRELESS MOUSE
                                   Model: GFT-M001
                                   Radiated Emission




                                                                                  Page 22 of 27

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                                                                        Report No.: TCT180529E015


                        Appendix B: Photographs of EUT
                           Product: 2.4G WIRELESS MOUSE
                                  Model: GFT-M001
                                   External Photos




                                                                                  Page 23 of 27

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                                                                        Report No.: TCT180529E015




                                                                                  Page 24 of 27

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                                                                        Report No.: TCT180529E015




                                                                                  Page 25 of 27

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                                                                        Report No.: TCT180529E015



                           Product: 2.4G WIRELESS MOUSE
                                  Model: GFT-M001
                                    Internal Photos




                                                                                  Page 26 of 27

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                                                                        Report No.: TCT180529E015




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




                                                                                  Page 27 of 27

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Document Created: 2018-06-15 16:02:29
Document Modified: 2018-06-15 16:02:29

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