2ASUP-UBCH261Car Wireless FM Transmitter

Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Confidentiality v02 Page 1 of 1 Shenzhen Leaderment Technology Co.,Ltd. Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2ASUP-UBCH261 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name 1. Block Diagram, 2. Schematics, 3. Operational Description 1. 2ASUP-UBCH261 -Block diagram 2. 2ASUP-UBCH261 -SCH 3. 2ASUP-UBCH261 -Operational description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for an initial period of 180 (ie- “45”, “90” or “180”) days: Exhibit Type File Name Setup photos 2ASUP-UBCH261 - Setup photos.pdf External photos 2ASUP-UBCH261 - External photos.pdf Internal photos 2ASUP-UBCH261 - Internal photos.pdf Users manual 2ASUP-UBCH261 - Users manual.pdf Signature: Contact name: kevin WU Company name: Shenzhen Leaderment Technology Co.,Ltd. Address: 1st Floor,Building 24,Longcheng Industrial Zone Gaofeng Community,Dalang Street,Longhua District, shenzhen

FCC ID: 2ASUP-UBCH261 FCC ID: 2ASUP-UBCH261 FCC ID: 2ASUP-UBCH261 FCC ID: 2ASUP-UBCH261

FCC ID: 2ASUP-UBCH261 FCC ID: 2ASUP-UBCH261 FCC ID: 2ASUP-UBCH261

Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V04 Report Template Revision Date: 2018-07-06 RF Exposure Evaluation Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No.: CQASZ20201001192E-02 Applicant: Shenzhen Leaderment Technology Co.,Ltd Address of Applicant: 1st Floor, Building 24, Longcheng Industrial Zone, No. 39 Longguan West Road, Gaofeng Community, Dalang Street, Longhua District, Shenzhen Equipment Under Test (EUT): EUT Name: Car Wireless FM Transmitter Model No.: UBCH261 Brand Name: UNBREAKcable FCC ID: 2ASUP-UBCH261 Standards: 47 CFR Part 1.1307 47 CFR Part 1.1310 KDB447498D01 General RF Exposure Guidance v06 Date of Receipt: 2020-10-26 Date of Test: 2020-10-26 to 2020-10-30 Date of Issue: 2020-10-30 Test Result: PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By： (Martin Lee) Reviewed By: (Sheek Luo) Approved By: (Jack Ai) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001192E-02 Page:2 of 6 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20201001192E-02 Rev.01 Initial report 2020-10-30 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001192E-02 Page:3 of 6 2 Contents Page 1 VERSION .....................................................................................................................................................................2 2 CONTENTS .................................................................................................................................................................3 3 GENERAL INFORMATION ......................................................................................................................................4 3.1 CLIENT INFORMATION ...............................................................................................................................................4 3.2 GENERAL DESCRIPTION OF EUT ...............................................................................................................................4 4 SAR EVALUATION ....................................................................................................................................................5 4.1 RF EXPOSURE COMPLIANCE REQUIREMENT ..............................................................................................................5 4.1.1 Standard Requirement ................................................................................................. 错误!未定义书签。 4.1.2 Limits ..............................................................................................................................................................5 4.1.3 EUT RF Exposure.........................................................................................................................................6 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001192E-02 Page:4 of 6 3 General Information 3.1 Client Information Applicant: Shenzhen Leaderment Technology Co.,Ltd Address of Applicant: 1st Floor, Building 24, Longcheng Industrial Zone, No. 39 Longguan West Road, Gaofeng Community, Dalang Street, Longhua District, Shenzhen Manufacturer: Shenzhen Leaderment Technology Co.,Ltd Address of Manufacturer: 1st Floor, Building 24, Longcheng Industrial Zone, No. 39 Longguan West Road, Gaofeng Community, Dalang Street, Longhua District, Shenzhen 3.2 General Description of EUT Product Name: Car Wireless FM Transmitter Model No.: UBCH261 Trade Mark: UNBREAKcable Hardware Version: BT23_2819_8027_V1.0 Software Version: BT23V1.0 Operation Frequency: 2402MHz~2480MHz Bluetooth Version: V5.0 Modulation Technique: Frequency Hopping Spread Spectrum(FHSS) Modulation Type: GFSK, π/4DQPSK, 8DPSK Transfer Rate: 1Mbps/2Mbps/3Mbps Number of Channel: 79 Hopping Channel Type: Adaptive Frequency Hopping systems Product Type: Mobile Portable Fix Location Test Software of EUT: BT FCC Tool V2.00 (manufacturer declare) Antenna Type: PCB Antenna Antenna Gain: 4.0dBi Power Supply: DC 12-24V Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001192E-02 Page:5 of 6 4 SAR Evaluation 4.1 RF Exposure Compliance Requirement 4.1.1 Limitst According to FCC Part1.1310: 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 part1.1307(b) F= Frequency in MHz Friis Formula Friis transmission formula: Pd = (Pout*G)/(4* Pi * R 2 ) Where Pd = power density in mW/cm2 Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. 4.1.2 Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001192E-02 Page:6 of 6 4.1.3 EUT RF Exposure 1) For BT Classic Antenna Gain: 4.0dBi Antenna Gain: The maximum Gain measured in fully anechoic chamber is 2.51 in linear scale. Output Power Into Antenna & RF Exposure Evaluation Distance: Measurement Data GFSK mode Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) (mW) Lowest(2402MHz) -2.720 -3.5±1 -2.5 0.562 Middle(2441MHz) -1.100 -2.0±1 -1.0 0.794 Highest(2480MHz) 0.160 -0.5±1 0.5 1.122 π/4DQPSK mode Test…

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Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V04 Report Template Revision Date: 2018-07-06 Test Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No.: CQASZ20201001192E-01 Applicant: Shenzhen Leaderment Technology Co.,Ltd Address of Applicant: 1st Floor, Building 24, Longcheng Industrial Zone, No. 39 Longguan West Road, Gaofeng Community, Dalang Street, Longhua District, Shenzhen Equipment Under Test (EUT): EUT Name: Car Wireless FM Transmitter Model No.: UBCH261 Brand Name: UNBREAKcable FCC ID: 2ASUP-UBCH261 Standards: 47 CFR Part 15, Subpart C Date of Receipt: 2020-10-26 Date of Test: 2020-10-26 to 2020-10-30 Date of Issue: 2020-10-30 Test Result: PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By： (Martin Lee) Reviewed By: (Sheek Luo) Approved By: (Jack Ai) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001192E-01 Page:2 of 88 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20201001192E-01 Rev.01 Initial report 2020-10-30 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001192E-01 Page:3 of 88 2 Test Summary Test Item Test Requirement Test method Result Antenna Requirement 47 CFR Part 15, Subpart C Section 15.203/15.247 (c) ANSI C63.10 (2013) PASS AC Power Line Conducted Emission 47 CFR Part 15, Subpart C Section 15.207 ANSI C63.10 (2013) N/A Conducted Peak Output Power 47 CFR Part 15, Subpart C Section 15.247 (b)(1) ANSI C63.10 (2013) PASS 20dB Occupied Bandwidth 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Carrier Frequencies Separation 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Hopping Channel Number 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Dwell Time 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Pseudorandom Frequency Hopping Sequence 47 CFR Part 15, Subpart C Section 15.247(b)(4)&TCB Exclusion List (7 July 2002) ANSI C63.10 (2013) PASS Band-edge for RF Conducted Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 (2013) PASS RF Conducted Spurious Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 (2013) PASS Radiated Spurious emissions 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 (2013) PASS Restricted bands around fundamental frequency (Radiated Emission) 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 (2013) PASS N/A: Not Applicable, the EUT was working by DC. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001192E-01 Page:4 of 88 3 Contents Page 1 VERSION .................................................................................................................................................................. 2 2 TEST SUMMARY .................................................................................................................................................... 3 3 CONTENTS .............................................................................................................................................................. 4 4 GENERAL INFORMATION ................................................................................................................................... 5 4.1 CLIENT INFORMATION .......................................................................................................................................... 5 4.2 GENERAL DESCRIPTION OF EUT .......................................................................................................................... 5 4.3 ADDITIONAL INSTRUCTIONS................................................................................................................................. 7 4.4 TEST ENVIRONMENT ............................................................................................................................................ 8 4.5 DESCRIPTION OF SUPPORT UNITS ......................................................................................................................... 8 4.6 STATEMENT OF THE MEASUREMENT UNCERTAINTY ............................................................................................. 9 4.7 TEST LOCATION ................................................................................................................................................. 10 4.8 TEST FACILITY ................................................................................................................................................... 10 4.9 ABNORMALITIES FROM STANDARD CONDITIONS ............................................................................................... 10 4.10 OTHER INFORMATION REQUESTED BY THE CUSTOMER ...................................................................................... 10 4.11 EQUIPMENT LIST ................................................................................................................................................ 11 5 TEST RESULTS AND MEASUREMENT DATA .............................................................................................. 12 5.1 ANTENNA REQUIREMENT ................................................................................................................................... 12 5.2 CONDUCTED PEAK OUTPUT POWER ................................................................................................................... 13 5.3 20DB OCCUPY BANDWIDTH ............................................................................................................................... 20…

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FCC ID: 2ASUP-UBCH261 1 Photographs - EUT Test Setup 1.1 Radiated Emission 9kHz~30MHz: 30MHz~1GHz: FCC ID: 2ASUP-UBCH261 Above 1GHz: