Test Report

FCC ID: TUVD-19

Test Report

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FCCID_3472133

TEST REPORT

FCC ID: TUVD-19
Product: 2.4G Wireless Optical Mouse
Model No.: D-19
Additional Model: DS-2705, GEPC073AB, PC073A
Trade Mark: N/A
Report No.: TCT170612E033
Issued Date: Jun. 22, 2017

Issued for:

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

Issued By:

Shenzhen Tongce Testing Lab.
1F, Leinuo Watch Building, Fuyong Town, Baoan Dist, Shenzhen, 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.

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com

Report No.: TCT170612E033

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 ............................................................................................................. 18

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

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Report No.: TCT170612E033

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.

Page 4 of 27

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Report No.: TCT170612E033

3. EUT Description
Product: 2.4G Wireless Optical Mouse
Model No.: D-19
Additional Model: DS-2705, GEPC073AB, PC073A
Trade Mark: N/A
Operation Frequency: 2408 - 2474MHz
Number of Channel: 34
Modulation
FSK
Technology:
Antenna Type: PCB Antenna
Antenna Gain: -2dBi
Power Supply: DC 3V (2pcs AA Battery)
Remark: All models above are identical in interior structure, electrical
circuits and components, and just model names 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

Page 5 of 27

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Report No.: TCT170612E033

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.

Page 6 of 27

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Report No.: TCT170612E033

5. Facilities and Accreditations
5.1. Facilities
The test facility is recognized, certified, or accredited by the following organizations:
● FCC - Registration No.: 572331
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: 1F, Leinuo Watch Building, Fuyong Town, Baoan Dist, Shenzhen, 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%

Page 7 of 27

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Report No.: TCT170612E033

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

Page 10 of 27

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Report No.: TCT170612E033

6.3.3. Test Data
Field Strength of Fundamental

Frequency Emission PK Horizontal Limits PK Margin
(MHz) (dBuV/m) /Vertical (dBuV/m) (dB)
2408 79.33 H 114 -34.67
2408 77.81 V 114 -36.19
2440 78.50 H 114 -35.50
2440 76.55 V 114 -37.45
2474 80.61 H 114 -33.39
2474 73.46 V 114 -40.54

Frequency Emission AV Horizontal Limits AV Margin
(MHz) (dBuV/m) /Vertical (dBuV/m) (dB)
2408 76.92 H 94 -17.08
2408 75.57 V 94 -18.43
2440 76.31 H 94 -17.69
2440 74.31 V 94 -19.69
2474 78.53 H 94 -15.47
2474 71.05 V 94 -22.95

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

Page 13 of 27

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Report No.: TCT170612E033

Above 1GHz
Low channel: 2408MHz
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)
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
Peak AV Correction Emission Level Peak
Frequency Ant. Pol. reading reading Factor limit AV limit Margin
(MHz) H/V Peak AV (dBµV/m) (dB)
(dBµV) (dBµV) (dB/m) (dBµV/m) (dBµV/m) (dBµV/m)
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 16 of 27

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Report No.: TCT170612E033

Band Edge Requirement
Low channel: 2408 MHz
Peak AV Correction Emission Level
Frequency Ant. Pol. Peak limit AV limit Margin
(MHz) H/V reading reading Factor Peak AV
(dBµV) (dBuV) (dB/m) (dBµV/m) (dBµV/m) (dBµV/m) (dBµV/m) (dB)
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) (dBuV) (dB/m) (dBµV/m) (dBµV/m) (dBµV/m) (dBµV/m) (dB)
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 17 of 27

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Report No.: TCT170612E033

6.4.3. Test data
20dB Occupy
Test Channel Limit Conclusion
Bandwidth (kHz)
Lowest 2091.35 --- PASS
Middle 2091.35 --- PASS
Highest 2091.35 --- PASS

Test plots as follows:

Page 19 of 27

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Report No.: TCT170612E033

Lowest channel
* RBW 30 kHz Delta 2 [T1 ]
* VBW 100 kHz -0.16 dB
Ref 0 dBm * Att 10 dB SWT 25 ms 2.091346154 MHz

0 Offset 1 dB Marker 1 [T1 ]
-47.03 dBm
2.406973526 GHz A
-10

1 PK
MAXH
-20
LVL

D1 -27.31 dBm
-30

-40
1 2
D2 -47.31 dBm
-50

3DB
-60

-70

-80

-90

-100

Center 2.408 GHz 500 kHz/ Span 5 MHz

Date: 22.JUN.2017 18:13:30

Middle channel
* RBW 30 kHz Delta 2 [T1 ]
* VBW 100 kHz -1.22 dB
Ref 0 dBm * Att 10 dB SWT 25 ms 2.091346154 MHz

0 Offset 1 dB Marker 1 [T1 ]
-48.58 dBm
2.438973526 GHz A
-10

1 PK
MAXH
-20
LVL

D1 -28.8 dBm
-30

-40

1
2
D2 -48.8 dBm
-50

3DB
-60

-70

-80

-90

-100

Center 2.44 GHz 500 kHz/ Span 5 MHz

Date: 22.JUN.2017 18:14:45

Highest channel
* RBW 30 kHz Delta 2 [T1 ]
* VBW 100 kHz -0.83 dB
Ref 0 dBm * Att 10 dB SWT 25 ms 2.091346154 MHz

0 Offset 1 dB Marker 1 [T1 ]
-46.47 dBm
2.472973526 GHz A
-10

1 PK
MAXH
-20
LVL

D1 -27.08 dBm
-30

-40
1 2
D2 -47.08 dBm
-50

3DB
-60

-70

-80

-90

-100

Center 2.474 GHz 500 kHz/ Span 5 MHz

Date: 22.JUN.2017 18:16:12

Page 20 of 27

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Document Created: 2017-07-18 11:59:51
Document Modified: 2017-07-18 11:59:51

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