2A3DJ-V7PROJECTOR

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.

Sincerely, Name/Title： xingui zhu/Test Engineer Company: Shen zhen Powerful Photoelectron Co.,Ltd Address: 5th Floor, Building 3, Zone B, Hongfa Science and Technology Industrial Park, Tangtou Community, Shiyan Street, Baoan District, Shenzhen China Phone: 0755-26792525 Fax: 0755-26793339 E-Mail: [email protected]

FCC ID: 2A3DJ-V7 External Photos of the EUT Photo 1 V7 Photo 2 Photo 3 FCC ID: 2A3DJ-V7 Photo 4 Photo 5 Photo 6 FCC ID: 2A3DJ-V7 Photo 7 Photo 8 AV7 Photo 9 FCC ID: 2A3DJ-V7 Photo 10 Photo 11 Photo 12 FCC ID: 2A3DJ-V7 Photo 13 Photo 14 BV7, CV7, DV7, EV7, FV7, GV7, HV7 Photo 15 FCC ID: 2A3DJ-V7 Photo 16 Photo 17 Photo 18 FCC ID: 2A3DJ-V7 Photo 19

Label and Location Size: L: 4.0cm*W: 3.0cm Label and Location Model No.: V7 FCC ID : 2A3DJ-V7 Caution : This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

FCC ID: 2A3DJ-V7 Internal Photos of the EUT Photo 1 V7 Photo 2 Photo 3 FCC ID: 2A3DJ-V7 Photo 4 Photo 5 Photo 6 BT (PCB)Antenna FCC ID: 2A3DJ-V7 Photo 7 Photo 8 Photo 9 FCC ID: 2A3DJ-V7 Photo 10 Photo 11 Photo 12 2.4GWIFI/5GWIFI(I nternal) Antenna tenna FCC ID: 2A3DJ-V7 Photo 13 Photo 14 Photo 15 AV7 FCC ID: 2A3DJ-V7 Photo 16 BV7, CV7, DV7, EV7, FV7, GV7, HV7

RF Exposure evaluation FCC ID: 2A3DJ-V7 Exposure category: General population/uncontrolled environment EUT Type: Production Unit Device Type: Mobile Device 1. Reference According to §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. According to §1.1310 and §2.1091 RF exposure is calculated. KDB447498 D01: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies 2. Limit Limits for Maximum Permissible Exposure (MPE)/Controlled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 1842/f 61.4 / / 1.63 4.89/f 0.163 / / (100) * (900/f 2 )* 1.0 f/300 5 6 6 6 6 6 Limits for Maximum Permissible Exposure (MPE)/Uncontrolled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 824/f 27.5 / / 1.63 2.19/f 0.073 / / (100) * (180/f 2 )* 0.2 f/1500 1.0 30 30 30 30 30 F=frequency in MHz *=Plane-wave equivalent power density 3. MPE Calculation Method Predication of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 S=PG/4πR² Where: S=power density P=power input to antenna G=power gain of the antenna in the direction of interest relative to an isotropic radiator R=distance to the center of radiation of the antenna 4. Antenna Information DP01 can only use antennas certificated as follows provided by manufacturer; Antenna No. Model No. of antenna: Type of antenna: Gain of the antenna (Max.) Frequency range: BT Antenna / PCB ANT -0.58dBi for 2400-2500MHz; 2.4GWIFI Antenna / PIFA Antenna 1.60dBi for 2400-2500MHz; 5.2GWIFI Antenna / PIFA Antenna 1.60dBi for 5180-5240MHz; 5.8GWIFI Antenna / PIFA Antenna -0.33dBi for 5745-5825MHz; 5. Manufacturing Tolerance [Bluetooth] GFSK (Peak) Frequency (MHz) 2402 2441 2480 Target (dBm) -1.0 -1.0 -1.0 Tolerance ± (dB) 1.0 1.0 1.0 π/4-DQPSK (Peak) Frequency (MHz) 2402 2441 2480 Target (dBm) -1.0 -1.0 -1.0 Tolerance ± (dB) 1.0 1.0 1.0 [2.4GHz WLAN] IEEE 802.11b (Peak) Frequency (MHz) 2412 2437 2462 Target (dBm) 16.0 16.0 16.0 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11g (Peak) Frequency (MHz) 2412 2437 2462 Target (dBm) 15.0 15.0 15.0 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11n HT20 (Peak) Frequency (MHz) 2412 2437 2462 Target (dBm) 15.0 15.0 15.0 Tolerance ± (dB) 1.0 1.0 1.0 [5.2GHz WLAN] IEEE 802.11A (Average) Frequency (MHz) 5180 5220 5240 Target (dBm) 11.0 11.0 11.0 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11n20 (Average) Frequency (MHz) 5180 5220 5240 Target (dBm) 10.0 10.0 10.0 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11n40 (Average) Frequency (MHz) 5190 / 5230 Target (dBm) 10.0 / 10.0 Tolerance ± (dB) 1.0 / 1.0 IEEE 802.11ac20 (Average) Frequency (MHz) 5180 5220 5240 Target (dBm) 10.0 10.0 10.0 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11ac40 (Average) Frequency (MHz) 5190 / 5230 Target (dBm) 10.0 / 10.0 Tolerance ± (dB) 1.0 / 1.0 IEEE 802.11ac80 (Average) Frequency (MHz) / 5210 / Target (dBm) / 10.0 / Tolerance ± (dB) / 1.0 / [5.8GHz WLAN] IEEE 802.11A (Average) Frequency (MHz) 5745 5785 5825 Target (dBm) 7.0 7.0 7.0 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11n20 (Average) Frequency (MHz) 5745 5785 5825 Target (dBm) 7.0 7.0 7.0 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11ac20 (Average) Frequency (MHz) 5745 5785 5825 Target (dBm) 7.0 7.0 7.0 Tolerance ± (dB) 1.0 1.0 1.0 IEEE 802.11n40 (Average) Frequency (MHz) 5755 / 5795 Target (dBm) 7.0 / 7.0 Tolerance ± (dB) 1.0 / 1.0 IEEE 802.11ac40 (Average) Frequency (MHz) 5755 / 5795 Target (dBm) 7.0 / 7.0 Tolerance ± (dB) 1.0 / 1.0 IEEE 802.11ac80 (Average) Frequency (MHz) / 5775 / Target (dBm) / 7.0 / Tolerance ± (dB) / 1.0 / 6. Standalone MPE Result As declared by the Applicant, the EUT is a wireless device used in a fix application, at least 20 cm from any body part of the user or nearby persons; from the maximum EUT RF output power, the minimum separation distance, r =20cm, as well as the gain of the used antennas are refer to section Antenna Information, the RF power density can be obtained. Modulation Type Output power Antenna Gain (dBi) Antenna Gain (linear) MPE (mW/cm 2 ) MPE Limits (mW/cm 2 ) dBm mW 2.4GWIFI 17.0 50.1187 1.60 1.4454 0.0144 1.0000 5.2GWIFI 12.0 15.8489 1.60 1.4454 0.0046 1.0000 5.8GWIFI 8.0 6.3096 -0.33 0.9268 0.0012 1.0000 BT 0.0 1.0000 -0.58 0.8750 0.0002 1.0000 Remark: 1. Output power (Peak) including turn-up tolerance; 2. MPE evaluate distance is 20cm from user manual provide by manufacturer. 7. simultaneous MPE Result 2.4GWIFI MPE Ratio BT MPE Ratio simultaneous MPE Ratio MPE Limits Ratio 0.0144 0.0002 0.0146 1.0000 8. Conclusion The measurement results comply with the FCC Limit per 47 CFR 2.1091 for the uncontrolled RF Exposure of mobile device. ----------------THE END OF REPORT---------------

Summary Antenna Specification Antenna plate FPC antenna MAX. Gain 1.60dBi Frequency range 2400-2500MHz; 5150-5850MHz Impedance 50Ω Manufacture Shenzhen MyAntenna RF Technology Co., Ltd. Model WF84A Antenna Photo Antenna Radiation Pattern [email protected] (3D) [email protected] (2D) Pattern@5G (3D) Pattern@5G (2D) 2.4G 5G Freq(MHz) Gain(dBi) Efficiency(dB) Efficiency(%) Freq(MHz) Gain(dBi) Efficiency(dB) Efficiency(%) 2400 1.58 -3.94 40.36 5150 1.60 -4.3 36.27 2410 1.60 -3.99 39.87 5180 1.13 -4.18 37.14 2420 1.38 -4.11 38.82 5200 0.88 -3.97 38.21 2430 0.96 -4.21 37.95 5220 0.37 -3.83 40.07 2440 0.79 -4.23 37.74 5240 0.32 -3.78 41.45 2450 0.62 -4.27 37.42 5260 0.39 -3.79 41.83 2460 0.56 -4.27 37.42 5280 0.44 -3.72 41.75 2470 0.59 -4.19 38.13 5300 0.68 -3.64 42.46 2480 0.56 -4.18 38.21 5320 0.91 -3.59 43.25 2490 0.65 -4.13 38.67 5340 1.13 -3.53 43.74 2500 0.72 -4.09 39.01 5360 1.24 -3.55 44.36 5380 1.21 -3.67 44.14 5400 1.29 -3.71 42.98 5420 0.83 -3.6 42.54 5440 0.91 -3.51 43.7 5460 0.99 -3.57 44.56 5480 0.95 -3.68 43.95 5500 0.79 -3.82 42.82 5520 0.53 -3.88 41.47 5540 0.31 -3.78 40.94 5560 0.26 -3.71 41.88 5580 0.23 -3.75 42.6 5600 0.13 -3.93 42.2 5620 -0.21 -4.09 40.43 5640 -0.42 -4.21 38.99 5660 -0.53 -4.19 37.95 5680 -0.41 -4.09 38.14 5700 -0.17 -4.11 39 5720 -0.08 -4.29 38.79 5740 -0.33 -4.51 37.28 5760 -0.67 -4.6 35.41 5780 -0.78 -4.53 34.68 5800 -0.67 -4.49 35.25 5820 -0.48 -4.56 35.57 5850 -0.41 -4.71 35.01

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15 SUBPART E 15.407 Report Reference No. ..................... : FCC ID. ............................................ : CTA22102000303 2A3DJ-V7 Compiled by ( position+printed name+signature) .. : File administrators Zoey Cao Supervised by ( position+printed name+signature) .. : Project Engineer Amy Wen Approved by ( position+printed name+signature) .. : RF Manager Eric Wang Date of issue ..................................... : Dec. 20, 2022 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : Shen Zhen Powerful Photoelectron Co., Ltd Address ............................................ : 5th Floor, Building 3, Zone B, Hongfa Science and Technology Industrial Park, Tangtou Community, Shiyan Street, Baoan District, Shenzhen, China Test specification ...........................: Standard ........................................... : FCC Part 15 Subpart E 15.407 TRF Originator .................................. : Shenzhen Global Test Service Co.,Ltd. Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description .....................: PROJECTOR Trade Mark ....................................... : N/A Manufacturer .................................... : Shen Zhen Powerful Photoelectron Co., Ltd Model/Type reference....................... : V7 Listed Models .................................. : AV7, BV7, CV7, DV7, EV7, FV7, GV7, HV7 Modulation ....................................... : OFDM Frequency .......................................... From 5180MHz-5240MHz, 5745MHz-5825MHz Ratings ............................................. : AC 120V, 60Hz Result................................................ : PASS Report No.: CTA22102000303 Page 2 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : PROJECTOR Model /Type : V7 Serial Models : AV7, BV7, CV7, DV7, EV7, FV7, GV7, HV7 Applicant : Shen Zhen Powerful Photoelectron Co., Ltd Address : 5th Floor, Building 3, Zone B, Hongfa Science and Technology Industrial Park, Tangtou Community, Shiyan Street, Baoan District, Shenzhen, China Manufacturer : Shen Zhen Powerful Photoelectron Co., Ltd Address : 5th Floor, Building 3, Zone B, Hongfa Science and Technology Industrial Park, Tangtou Community, Shiyan Street, Baoan District, Shenzhen, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA22102000303 Page 3 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 T E S T S T A N D A R D S ................................................................. 4 2 S U M M A R Y ............................................................................ 5 2.1 General Remarks 5 2.2 Product Description 5 2.3 Equipment Under Test 5 2.4 Short description of the Equipment under Test (EUT) 5 2.5 EUT operation mode 6 2.6 Block Diagram of Test Setup 6 2.7 Related Submittal(s) / Grant (s) 6 2.8 Modifications 6 3 T E S T E N V I R O N M E N T .............................................................. 7 3.1 Address of the test laboratory 7 3.2 Test Facility 7 3.3 Environmental conditions 7 3.4 Test Description 8 3.5 Statement of the measurement uncertainty 8 3.6 Equipments Used during the Test 9 4 T E S T C O N D I T I O N S A N D R E S U L T S ........................................... 10 4.1 AC Power Conducted Emission 10 4.2 Radiated Emissions 13 4.3 Maximum Conducted Average Output Power 20 4.4 Power Spectral Density 22 4.5 Emission Bandwidth (26dB Bandwidth) 29 4.6 Minimum Emission Bandwidth (6dB Bandwidth) 33 4.7 Frequency Stability 37 5 T E S T S E T U P P H O T O S O F T H E E U T ......................................... 39 6 P H O T O S O F T H E E U T ........................................................... 40 Report No.: CTA22102000303 Page 4 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 1 T E S T S T A N D A R D S The tests were performed according to following standards: FCC Rules Part 15 Subpart E—Unlicensed National Information Infrastructure Devices ANSI C63.10-2013: American National Standard for Testing Unlicensed Wireless Devices KDB789033 D02: General UNII Test Procedures New Rules v01r02 Report No.: CTA22102000303 Page 5 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial…

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Report No.: CTA22102000303 Page 31 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 802.11n(HT40) 802.11ac(HT20) CH38 CH36 CH46 CH44 CH48 Report No.: CTA22102000303 Page 32 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 802.11ac(HT40) 802.11ac(HT80) CH38 CH42 CH46 Report No.: CTA22102000303 Page 33 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 4.6 Minimum Emission Bandwidth (6dB Bandwidth) Limit Within the 5.725-5.85 GHz band, the minimum 6 dB bandwidth of U-NII devices shall be at least 500 kHz. Test Procedure 1. Set resolution bandwidth (RBW) = 100 kHz 2. Set the video bandwidth 3 x RBW. 3. Detector = Peak. 4. Trace mode = Max hold. 5. 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 6 dB relative to the maximum level measured in the fundamental emission. Test Configuration EUT SPECTRUM ANALYZER Test Results Type Bands Channel 6dB Bandwidth (MHz) Limit (KHz) Result 802.11a U-NII 3 149 16.480 ≥500KHz Pass 157 16.480 165 16.520 802.11n(HT20) U-NII 3 149 17.680 157 17.720 165 17.720 802.11n(HT40) U-NII 3 151 36.400 159 36.400 802.11ac(HT20) U-NII 3 149 17.720 157 17.720 165 17.640 802.11ac(HT40) U-NII 3 151 36.400 159 36.400 802.11ac(HT80) U-NII 3 155 76.320 Test plot as follows: Report No.: CTA22102000303 Page 34 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 802.11a 802.11n(HT20) CH149 CH149 CH157 CH157 CH165 CH165 Report No.: CTA22102000303 Page 35 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 802.11n(HT40) 802.11ac(HT20) CH151 CH149 CH159 CH157 CH165 Report No.: CTA22102000303 Page 36 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 802.11ac(HT40) 802.11ac(HT80) CH151 CH155 CH159 Report No.: CTA22102000303 Page 37 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 4.7 Frequency Stability LIMIT Manufacturers of U-NII devices are responsible for ensuring frequency stability such that an emission is maintained within the band of operation under all conditions of normal operation as specified in the users manual. TEST CONFIGURATION TEST PROCEDURE Frequency Stability under Temperature Variations: The equipment under test was connected to an external AC or DC power supply and input rated voltage. RF output was connected to a frequency counter or spectrum analyzer via feed through attenuators. The EUT was placed inside the temperature chamber. Set the spectrum analyzer RBW low enough to obtain the desired frequency resolution and measure EUT 20°C operating frequency as reference frequency. Turn EUT off and set the chamber temperature to -30°C. After the temperature stabilized for approximately 30 minutes recorded the frequency. Repeat step measure with 10°C increased per stage until the highest temperature of +50°C reached. Frequency Stability under Voltage Variations: Set chamber temperature to 20°C. Use a variable AC power supply / DC power source to power the EUT and set the voltage to rated voltage. Set the spectrum analyzer RBW low enough to obtain the desired frequency resolution and recorded the frequency. Reduce the input voltage to specify extreme voltage variation (±15%) and endpoint, record the maximum frequency change. TEST RESULTS Record worst case as below: Report No.: CTA22102000303 Page 38 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Reference Frequency: 802.11ac channel=36 frequency=5180MHz Voltage ( V ) Temperature (°C) Frequency error Limit (ppm) Result Hz ppm AC120 -30 109.03 0.021048 Within the band of operation Pass -20 171.46 0.033100 -10 138.94 0.026822 0 111.47 0.021519 10 142.35 0.027481 20 98.61 0.019037 30 165.79 0.032006 40 127.20 0.024556 50 126.85 0.024488 AC132 25 193.14 0.037286 AC108 25 115.37 0.022272 Reference Frequency: 802.11ac channel=149 frequency=5745MHz Voltage ( V ) Temperature (°C) Frequency error Limit (ppm) Result Hz ppm AC120 -30 134.98 0.023495 Within the band of operation Pass -20 127.35 0.022167 -10 165.16 0.028748 0 166.58 0.028996 10 132.74 0.023105 20 128.24 0.022322 30 113.50 0.019756 40 168.43 0.029318 50 157.01 0.027330 AC132 25 148.87 0.025913 AC108 25 117.20 0.020400 Report No.: CTA22102000303 Page 39 of 40 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 5 T e s t S e t u p P h o t o s o f t h e E U T Report No.: CTA22102000303 Page 40 of 40 Shenzhen CTA Testing…

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FCC ID: 2A3DJ-V7 Test Setup Photos of the EUT