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  3. 2AKR3-TF40

2AKR3-TF40Mobile phone selfie screen

Shenzhen XinZhengYu technology Co.,ltd

Application Details

Equipment Class
NII - Unlicensed National Information Infrastructure TX
Date of Grant
Dec 19, 2025
Application Purpose
Original Equipment
Equipment Note
Mobile phone selfie screen
Frequency Range
5745.00000000 - 5825.00000000
Company
Shenzhen XinZhengYu technology Co.,ltd
Country
China

Documents & Files

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Attestation Statements

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Cover Letter(s)

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ID Label/Location Info

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RF Exposure Info

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Test Report

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Attestation Statements

Shenzhen XinZhengYu technology Co.,ltd Covered Equipment Certification Attestation Letter 12/11/2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AKR3-TF40 Shenzhen XinZhengYu technology Co.,ltd (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Shenzhen XinZhengYu technology Co.,ltd (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Shenzhen XinZhengYu technology Co.,ltd (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Signed: Printed name: JunHua Wu Title: General manager Company Name: Shenzhen XinZhengYu technology Co.,ltd Date: 12/11/2025

Attestation Statements

Shenzhen XinZhengYu technology Co.,ltd * the applicant must designate a contact located in the United States for purposes of acting as the appl icant’s agent for service of process, regardless of whether the applicant is a domestic or forei gn ent ity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter 12/11/2025 TO : Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2AKR3-TF40 FRN of applicant: 0026138792 Per section 2.911(d)(7) of the FCC rules, [ Shenzhen XinZhengYu technology Co.,ltd] (“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: C ompany Name: FCC US Agent, LLC FCC Registration Number (FRN): 0033402884 Physical U.S. Company Address: 3722 Illinois Avenue, Saint Charles, IL 60174, USA Contact Person: Tim Payne Agent Email Address: [email protected] The above contact person accepts the obligation for service of process. The appl icant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. A pplicant Signed: Agent Signed (if different from Applicant): Signed: Printed name: JunHua Wu Title: General manager Company Name: Shenzhen XinZhengYu technology Co.,ltd Date: 12/11/2025 Signed: Printed name: Tim Payne Title: Manager Company Name: FCC US Agent, LLC Date: 12/11/2025

Cover Letter(s)

DATE 12/11/2025 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: ___ 2AKR3-TF40 ______ Product Name: ___ Mobile phone selfie screen ___ Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...) • Schematics • Block diagram • Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Printed name: JunHua Wu Title: General manager Company Name: Shenzhen XinZhengYu technology Co.,ltd Date: 12/11/2025

Cover Letter(s)

DATE : 12/11/2025 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AKR3-TF40 Product Name: Mobile phone selfie screen Request for Short-Term Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission rules, and in accordance with the FCC Public notice dated June 15, 2004 (DA 04-1705), we hereby request short-term confidentiality for the following items prior to marketing the device.:  Test Setup Photos  External Photos  Internal Photos  User Manual The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Printed name: JunHua Wu Title: General manager Company Name: Shenzhen XinZhengYu technology Co.,ltd Date: 12/11/2025

Cover Letter(s)

DATE: 12/11/2025 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Shenzhen EU Testing Laboratory Limited (101, Building B1, Fuqiao Fourth Area, Qiaotou Community Fuhai Subdistrict Baoan District,Shenzhen,China) (Name of Agent company name and address) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with Shenzhen XinZhengYu technology Co.,ltd (5th floor, Building 4, HaiTianLanYu Industrial Park, ShiLong community, shiYan Town, Bao’an District, Shenzhen, China) (Applicant Name and address) Printed name: JunHua Wu Title: General manager Company Name: Shenzhen XinZhengYu technology Co.,ltd Date: 12/11/2025

Cover Letter(s)

Date 12/11/2025 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Compliance Testing, LLC to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). Sincerely, Printed name: JunHua Wu Title: General manager Company Name: Shenzhen XinZhengYu technology Co.,ltd Date: 12/11/2025

Cover Letter(s)

Shenzhen XinZhengYu technology Co.,ltd Product Similarity Declaration Product name: Mobile phone selfie screen Model name: TF40, TF39, TF41, TF42, TF43, TF444, TF45, TF46, TF47, TF48, TF49, TF50, TF51, TF52, TF53, TF54, TF55, TF56, TF57, TF58, TF59, TF60 FCC ID: 2AKR3-TF40 We (Shenzhen XinZhengYu technology Co.,ltd) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is the in model name.). Signature: Name: JunHua Wu Title: General manager 2025-09-20

ID Label/Location Info

Label Location On EUT Label

RF Exposure Info

RF EXPOSURE EVALUATION FCC ID: 2AKR3-TF40 According to KDB 447498 D01 General RF Exposure Guidance v06 and FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b): Routine SAR evaluation refers to that specifically required by §2.1093, using measurements or computer simulation. When routine SAR evaluation is not required, portable transmitters with output power greater than the applicable low threshold require SAR evaluation to qualify for TCB approval. Channel (MHz) Maximum output power (dBm) Tune up tolerance (dBm) Max Tune Up Power (dBm) Distanc e (mm) Calculation results Limit Operating Mode 2402 -0.62 -0.62±1 0.38 5 0.338 3 BLE 2441 -1.28 -1.28±1 -0.28 5 0.293 3 2480 -0.33 -0.33±1 0.67 5 0.367 3 5745 5.30 5.30±1 6.30 5 2.045 3 5.8G WIFI 5785 6.18 6.18±1 7.18 5 2.513 3 5825 5.19 5.19±1 6.19 5 2.008 3 5745 4.69 4.69±1 5.69 5 1.777 3 5785 5.51 5.51±1 6.51 5 2.154 3 5825 5.17 5.17±1 6.17 5 1.998 3 5755 4.78 4.78±1 5.78 5 1.816 3 5795 5.45 5.45±1 6.45 5 2.126 3 Note: BLE and 5.8G WiFi do not support simultaneous transmission. Test Results: PASS.

Test Report

ADD:No. 3A, Building 5, Area B, Anle Industrial Zone, Bao'an District, Shenzhen City, Guangdong Province Shenzhen Qianmu Communication Technology Co., Ltd. 1 Shenzhen Qianmu Communication Technology Co.,Ltd. Antenna Approval Form Supplier Sample Confirmation R&D Structure Review Judgment PASS FAIL Customer Sample Confirmation Electronic s Structure Project Procurem ent Quality Review Reasons for Rejection or Other Notes: Applicable Models WIFI Antenna / BLE Custom er Specifications Product Content Specifications Customer Material Code Specifications BLE / 5.8G Antenna Onboard Antenna Change History Serial Number Date Version Brief Description of Changes 1 2025-10-20 V1.0 New Project 2 3 第 1 页 一、规格 1.电性能参数 频段 /FrequencyRange........................................2400MHz~2500MHz 驻波比 /VSWR.....................................................................................<3 效率 /Efficiency....................................................................Max59.37% 增益 /PeakGain...................................................................Max4.76dBi 极化 /Polarization..........................................................................Linear 特性阻抗 /InputImpedance..............................................................50Ω 第 2 页 二、天线驻波图: 第 3 页 Band BTANT1 24002500 R.L(dB)-9.5-7.6 VSWR2.42.5 Band WIFIANT2 2400250050005800 R.L(dB)-11.5-10.3-6.0-5.0 VSWR1.71.83.03.5 第 4 页 三、BLE 天线增益效率: PassiveTestFor2.4GBTANT1 FreqEffiEffiGainGainUHISDHISMaxMinAttenutAttenut (MHz)(%)(dB)(dBi)(dBd)(%)(%)(dB)(dB)HorVer 240061.52-2.112.220.0735.57125.9492.22-27.5548.5148.38 241064.06-1.932.290.1436.74227.3142.29-25.5348.8348.65 242066.12-1.82.380.2337.61228.5122.38-22.2849.0549 243065.81-1.822.260.1137.34628.4612.26-20.649.0548.89 244065.35-1.852.02-0.1337.1728.182.02-20.0149.0848.97 245065.38-1.852.07-0.0837.52727.8562.07-20.549.0148.85 246064.41-1.911.98-0.1737.40527.0041.98-22.6248.8648.7 247063.62-1.962.02-0.1337.35926.2622.02-25.8648.8648.78 248067.12-1.732.40.2539.77927.3442.4-24.3349.2949.19 249073.47-1.342.970.8243.79929.6682.97-20.7749.9249.75 250075.94-1.23.21.0545.48330.4523.2-20.2649.9549.77 第 5 页 四、WIFI天线增益效率: PassiveTestFor2.4GWIFIANT2 FreqEffiEffiGainGainUHISDHISMaxMinAttenutAttenut (MHz)(%)(dB)(dBi)(dBd)(%)(%)(dB)(dB)HorVer 240043.67-3.61.33-0.8217.60826.0611.33-21.2248.5148.38 241048.5-3.141.89-0.2619.79728.7041.89-20.1348.8348.65 242050.88-2.932.190.0420.8230.0652.19-18.8149.0549 243050.78-2.942.160.0120.61130.1642.16-17.9149.0548.89 244049.58-3.052.01-0.1419.80529.782.01-17.249.0848.97 245050.46-2.972.01-0.1419.6330.8272.01-17.0749.0148.85 246047.3-3.251.65-0.517.88829.4131.65-1748.8648.7 247047.61-3.221.68-0.4717.54930.061.68-17.0648.8648.78 248049.95-3.011.92-0.2318.18331.771.92-16.9349.2949.19 249058.24-2.352.710.5621.08137.1572.71-15.7449.9249.75 250057.18-2.432.730.5820.79136.3942.73-15.3449.9549.77 PassiveTestFor5GANT2 FreqEffiEffiGainGainUHISDHISMaxMinAttenutAttenut (MHz)(%)(dB)(dBi)(dBd)(%)(%)(dB)(dB)HorVer 500063.59-1.972.630.4838.35325.2352.63-11.9559.6358.43 510056.33-2.492.02-0.1331.1425.1922.02-12.2959.7258.13 520040.65-3.91-0.55-2.721.97718.67-0.55-15.6258.9658.14 530054.59-2.631.53-0.6229.19425.3981.53-10.0859.5758.89 540066.83-1.752.410.2634.98131.8532.41-10.359.7959.34 550054.64-2.621.41-0.7430.06324.5821.41-12.8960.960.27 560048.92-3.111.19-0.9628.60620.3121.19-16.2862.0861.71 570050.42-2.971.81-0.3430.70619.7171.81-16.0862.3462.11 580037.06-4.31-0.13-2.2824.06213.002-0.13-18.1361.8761.75 第 6 页 六:WIFI天线尺寸 五:BT 天线尺寸图 图 第 7 页 七、产品图 第 8 页 八、苹果图:ANT1- BLE 第 9 页 ANT1-5.8GWiFi 第 10 页 第 11 页 第 12 页

Test Report

Page 1 of 30 Report No.: 8335EU122701W-AE ANNEX E TEST DATA For Project No.: 8335EU122701W Client: Shenzhen XinZhengYu technology Co.,ltd Product Description: Mobile phone selfie screen Model No.: TF40 FCC ID: 2AKR3-TF40 Technology: WiFi 5G Test Engineer: Test Date: 2025-10-29 Page 2 of 30 Report No.: 8335EU122701W-AE Test Summary Item Result Duty Cycle Pass Bandwidth Pass Maximum Conducted Output Power Pass Maximum Power Spectral Density Pass Unwanted Emissions In Non-restricted Frequency Bands Pass Frequency Stability Pass Page 3 of 30 Report No.: 8335EU122701W-AE 1. Duty Cycle 1.1 Test Result 1.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) 802.11a SISO 5745 0.149 0.196 76.02 1.19 0.60 802.11n (HT20) SISO 5745 0.176 0.223 78.92 1.03 0.11 802.11n (HT40) SISO 5755 0.180 0.228 78.95 1.03 0.44 Page 4 of 30 Report No.: 8335EU122701W-AE 1.2 Test Graph 1.2.1 Ant1 802.11a_LCH_5745MHz_Ant1_NTNV 802.11n(HT20)_LCH_5745MHz_Ant1_NTNV Page 5 of 30 Report No.: 8335EU122701W-AE 802.11n(HT40)_LCH_5755MHz_Ant1_NTNV Page 6 of 30 Report No.: 8335EU122701W-AE 2. Bandwidth 2.1 Test Result 2.1.1 OBW Mode TX Type Frequency (MHz) ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit 802.11a SISO 5745 1 17.524 / Pass 5785 1 17.450 / Pass 5825 1 17.553 / Pass 802.11n (HT20) SISO 5745 1 18.514 / Pass 5785 1 18.403 / Pass 5825 1 18.541 / Pass 802.11n (HT40) SISO 5755 1 37.007 / Pass 5795 1 36.862 / Pass 2.1.2 6dB BW Mode TX Type Frequency (MHz) ANT 6dB Bandwidth (MHz) Verdict Result Limit 802.11a SISO 5745 1 15.975 >=0.5 Pass 5785 1 16.349 >=0.5 Pass 5825 1 16.342 >=0.5 Pass 802.11n (HT20) SISO 5745 1 17.313 >=0.5 Pass 5785 1 17.603 >=0.5 Pass 5825 1 17.598 >=0.5 Pass 802.11n (HT40) SISO 5755 1 36.353 >=0.5 Pass 5795 1 35.671 >=0.5 Pass Page 7 of 30 Report No.: 8335EU122701W-AE 2.2 Test Graph 2.2.1 OBW 802.11a_LCH_5745MHz_Ant1_NTNV 802.11a_MCH_5785MHz_Ant1_NTNV Page 8 of 30 Report No.: 8335EU122701W-AE 802.11a_HCH_5825MHz_Ant1_NTNV 802.11n(HT20)_LCH_5745MHz_Ant1_NTNV Page 9 of 30 Report No.: 8335EU122701W-AE 802.11n(HT20)_MCH_5785MHz_Ant1_NTNV 802.11n(HT20)_HCH_5825MHz_Ant1_NTNV Page 10 of 30 Report No.: 8335EU122701W-AE 802.11n(HT40)_LCH_5755MHz_Ant1_NTNV 802.11n(HT40)_HCH_5795MHz_Ant1_NTNV Page 11 of 30 Report No.: 8335EU122701W-AE 2.2.2 6dB BW 802.11a_LCH_5745MHz_Ant1_NTNV 802.11a_MCH_5785MHz_Ant1_NTNV Page 12 of 30 Report No.: 8335EU122701W-AE 802.11a_HCH_5825MHz_Ant1_NTNV 802.11n(HT20)_LCH_5745MHz_Ant1_NTNV Page 13 of 30 Report No.: 8335EU122701W-AE 802.11n(HT20)_MCH_5785MHz_Ant1_NTNV 802.11n(HT20)_HCH_5825MHz_Ant1_NTNV Page 14 of 30 Report No.: 8335EU122701W-AE 802.11n(HT40)_LCH_5755MHz_Ant1_NTNV 802.11n(HT40)_HCH_5795MHz_Ant1_NTNV Page 15 of 30 Report No.: 8335EU122701W-AE 3. Maximum Conducted Output Power 3.1 Test Result 3.1.1 Power Mode TX Type Frequency (MHz) Maximum Average Conducted Output Power (dBm) Verdict ANT1 Limit 802.11a SISO 5745 5.30 <=30 Pass 5785 6.18 <=30 Pass 5825 5.19 <=30 Pass 802.11n (HT20) SISO 5745 4.69 <=30 Pass 5785 5.51 <=30 Pass 5825 5.17 <=30 Pass 802.11n (HT40) SISO 5755 4.78 <=30 Pass 5795 5.45 <=30 Pass Page 16 of 30 Report No.: 8335EU122701W-AE 3.2 Test Graph 3.2.1 Power 802.11a_LCH_5745MHz_Ant1_NTNV 802.11a_MCH_5785MHz_Ant1_NTNV Page 17 of 30 Report No.: 8335EU122701W-AE 802.11a_HCH_5825MHz_Ant1_NTNV 802.11n(HT20)_LCH_5745MHz_Ant1_NTNV Page 18 of 30 Report No.: 8335EU122701W-AE 802.11n(HT20)_MCH_5785MHz_Ant1_NTNV 802.11n(HT20)_HCH_5825MHz_Ant1_NTNV Page 19 of 30 Report No.: 8335EU122701W-AE 802.11n(HT40)_LCH_5755MHz_Ant1_NTNV 802.11n(HT40)_HCH_5795MHz_Ant1_NTNV Page 20 of 30 Report No.: 8335EU122701W-AE 4. Maximum Power Spectral Density 4.1 Test Result 4.1.1 PSD-Band3 Mode TX Type Frequency (MHz) Maximum PSD (dBm/500kHz) Verdict ANT1 Limit 802.11a SISO 5745 -8.29 <=30 Pass 5785 -7.47 <=30 Pass 5825 -8.43 <=30 Pass 802.11n (HT20) SISO 5745 -9.10 <=30 Pass 5785 -8.11 <=30 Pass 5825 -8.66 <=30 Pass 802.11n (HT40) SISO 5755 -11.90 <=30 Pass 5795 -11.51 <=30 Pass Page 21 of 30 Report No.: 8335EU122701W-AE 4.2 Test Graph 4.2.1 PSD-Band3 802.11a_LCH_5745MHz_Ant1_NTNV 802.11a_MCH_5785MHz_Ant1_NTNV Page 22 of 30 Report No.: 8335EU122701W-AE 802.11a_HCH_5825MHz_Ant1_NTNV 802.11n(HT20)_LCH_5745MHz_Ant1_NTNV Page 23 of 30 Report No.: 8335EU122701W-AE 802.11n(HT20)_MCH_5785MHz_Ant1_NTNV 802.11n(HT20)_HCH_5825MHz_Ant1_NTNV Page 24 of 30 Report No.: 8335EU122701W-AE 802.11n(HT40)_LCH_5755MHz_Ant1_NTNV 802.11n(HT40)_HCH_5795MHz_Ant1_NTNV Page 25 of 30 Report No.: 8335EU122701W-AE 5. Unwanted Emissions In Restricted Frequency Bands 5.1 Test Result 5.1.1 CSE Mode TX Type Frequency (MHz) ANT Level of Unwanted Emissions (dBm) Verdict Result Limit 802.11a SISO 5745 1 Refer To Test Graph Pass 5825 1 Refer To Test Graph Pass 802.11n (HT20) SISO 5745 1 Refer To Test Graph Pass 5825 1 Refer To Test Graph Pass 802.11n (HT40) SISO 5755 1 Refer To Test Graph Pass 5795 1 Refer To Test Graph Pass Note: 1) EIRP[dBm]=E[dBuV/m]- 95.2, for d= 3 m; 2) Level[dBm] results have calculated the antenna gain; 3) Antenna gain= U-NII-3: 5725 MHz to 5850 MHz: 2.63 dBi. Page 26 of 30 Report No.: 8335EU122701W-AE 5.2 Test Graph 5.2.1 CSE 802.11a_LCH_5745MHz_Ant1_NTNV 802.11a_HCH_5825MHz_Ant1_NTNV Page 27 of 30 Report No.: 8335EU122701W-AE 802.11n(HT20)_LCH_5745MHz_Ant1_NTNV 802.11n(HT20)_HCH_5825MHz_Ant1_NTNV Page 28 of 30 Report No.: 8335EU122701W-AE 802.11n(HT40)_LCH_5755MHz_Ant1_NTNV 802.11n(HT40)_HCH_5795MHz_Ant1_NTNV Page 29 of 30 Report No.: 8335EU122701W-AE 6. Frequency Stability 6.1 Test Result 6.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Temperature (°C) Voltage (VAC) Measured Frequency (MHz) Limit (MHz) Verdict 802.11a SISO 5745 20 102 5745.000 5725 to 5850 Pass 120 5745.020 5725 to 5850 Pass 138 5744.940 5725 to 5850 Pass -30 120 5745.060 5725 to 5850 Pass -20 120 5745.000 5725 to 5850 Pass -10 120 5745.020 5725 to 5850 Pass 0 120 5745.020 5725 to 5850 Pass 10 120 5745.020 5725 to 5850 Pass 30 120 5744.980 5725 to 5850 P…

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Test Report

TRF No.: FCC Part 15 Subpart E (A01) TEST REPORT Report No.: 8335EU122701W2 Applicant: Shenzhen XinZhengYu technology Co.,ltd Address: 5th floor, Building 4, HaiTianLanYu Industrial Park, ShiLong community, shiYan Town, Bao’an District, Shenzhen, China Product Name: Mobile phone selfie screen Model No.: TF40 (refer to clause 2.4) Trademark: N/A FCC ID: 2AKR3-TF40 Test Standard(s): 47 CFR Part 15 Subpart E Test Result: Pass Date of Receipt: Oct. 27, 2025 Test Date: Oct. 27, 2025 – Nov. 06, 2025 Date of Issue: Dec. 09, 2025 ISSUED BY: SHENZHEN EU TESTING LABORATORY LIMITED Prepared by: Reviewed and Approved by: ____________________ _____________________ Mikey Zhu/ Engineer Sally Zhang/ Manager Page 2 of 46 Report No.: 8335EU122701W2 TRF No.: FCC Part 15 Subpart E (A01) Revision Record Report Version Issued Date Description Status V0 Dec. 09, 2025 Original Valid Page 3 of 46 Report No.: 8335EU122701W2 TRF No.: FCC Part 15 Subpart E (A01) Table of Contents 1 COVER PAGE .................................................................................................................................. 1 2 GENERAL INFORMATION ...................................................................................................................... 5 2.1 APPLICANT INFORMATION .................................................................................................................. 5 2.2 MANUFACTURER INFORMATION .......................................................................................................... 5 2.3 FACTORY INFORMATION ..................................................................................................................... 5 2.4 GENERAL DESCRIPTION OF E.U.T. ..................................................................................................... 5 2.5 TECHNICAL INFORMATION OF E.U.T. .................................................................................................. 6 3 TEST SUMMARY ...................................................................................................................................... 9 3.1 TEST STANDARD ............................................................................................................................... 9 3.2 TEST VERDICT ................................................................................................................................... 9 3.3 TEST LABORATORY ......................................................................................................................... 10 4 TEST CONFIGURATION ........................................................................................................................ 11 4.1 TEST ENVIRONMENT ........................................................................................................................ 11 4.2 TEST EQUIPMENT ............................................................................................................................ 11 4.3 DESCRIPTION OF SUPPORT UNIT ...................................................................................................... 12 4.4 TEST MODE .................................................................................................................................... 12 4.5 DESCRIPTION OF CALCULATION ....................................................................................................... 12 4.6 MEASUREMENT UNCERTAINTY ......................................................................................................... 13 4.7 DEVIATION FROM STANDARDS ......................................................................................................... 13 4.8 ABNORMALITIES FROM STANDARD CONDITION ................................................................................. 13 5 TEST ITEMS ........................................................................................................................................... 14 5.1 ANTENNA REQUIREMENT .................................................................................................................. 14 5.1.1 Test Requirement ........................................................................................................... 14 5.1.2 Antenna Anti-Replacement Construction ........................................................................ 14 5.1.3 Antenna Gain .................................................................................................................. 14 5.2 CONDUCTED EMISSION AT AC POWER LINE ..................................................................................... 15 5.2.1 Test Requirement ........................................................................................................... 15 5.2.2 Test Setup Diagram ........................................................................................................ 15 5.2.3 Test Procedure ............................................................................................................... 15 5.2.4 Test Data......................................................................................................................... 15 5.3 EMISSION BANDWIDTH AND OCCUPIED BANDWIDTH .......................................................................... 18 5.3.1 Test Requirement ........................................................................................................... 18 5.3.2 Test Setup Diagram ........................................................................................................ 18 5.3.3 Test Procedure ............................................................................................................... 19 5.3.4 Test Data......................................................................................................................... 19 5.4 MAXIMUM CONDUCTED OUTPUT POWER .......................................................................................... 20 5.4.1 Test Requirement ...…

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Contact Information

Applicant

JunHua Wu(General manager)
[email protected]Fax: +86755-82796810

Technical Contact

FCC US Agent, LLCTim Payne
[email protected]Fax: (708) 571-3148

3722 Illinois Avenue, Saint Charles, IL 60174, USA · 6017 · United States

Test Firm

Shenzhen EU Testing Laboratory LimitedSally Zhang
[email protected]

Technical Specifications

#Rule PartsFrequency RangePower Output
115E5.75 GHz - 5.83 GHz4.15 mW
Confidentiality
Long Term
Grant Notes
Power listed is conducted. This device supports 20 and 40MHz bandwidth operation.

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True Wireless Earbuds

May 07, 2020

Equipment Class

DSS - Part 15 Spread Spectrum Transmitter