2AX5N-BYMLX26Auto Tire Pressure Monitoring System Sensors

User manual 1. General Description Tire pressure sensor is composed of RF chip, battery, antenna and Rf matching network. It is applied to monitor tire pressure, temperature and acceleration and the tire data is transmitted via center frequency 433.92MHz/. 2. Operation Functions Transmitter ID Programming:transmitter ID can be progranmmed for easy replacement Alarm Record Inquity:automatically record the 10 alarm records Standard Pressure Programming: standard pressure for each tire can be programmed on monitor 3. Product Features Powerful functions including low pressure alarms in 3 levels,fast leak alarm and standard pressure setting etc. Monitor connects to continuous power to ensure full-time monitoring Design of the whole system matches the rtuck perfectly Simple operation for function programming and inquiry 4. Installing structure 4. valve cap 3. nut 2. cushion 1. Valve rod TPMS Sensor User manual 5. Installation requirements moment:3.8N.m(±0.3N) Tires must do dynamic balance testing and adjusting. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

Ruian BoYu Automobile Parts Co., Ltd Pingyang Branch Long Term Confidentiality Request Letter 2020-11-13 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (FCC ID: 2AX5N-BYMLX26) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - e.g. Block diagram - e.g. SCH - e.g. Operational Description required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Name: Yang.dai Position: Manager Company Name: Ruian BoYu Automobile Parts Co., Ltd Pingyang Branch Address: No. 146, Xinbin Road, Haixi Town, Pingyang, Zhejiang Tel / Fax 13646737859 E-Mail: [email protected]

FCC ID: 2AX5N-BYMLX26 Test Model No.:BY-MLX-26 FCC ID: 2AX5N-BYMLX26 FCC ID: 2AX5N-BYMLX26

FCC ID: 2AX5N-BYMLX26 Test Model No.:BY-MLX-26

FCC ID: 2AX5N-BYMLX26 M odel No.:BY-MLX-26 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: 2AX5N-BYMLX26 FCC ID: 2AX5N-BYMLX26

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.: CQASZ20201001281E-02 Applicant: Ruian BoYu Automobile Parts Co., Ltd Pingyang Branch Address of Applicant: No. 146, Xinbin Road, Haixi Town, Pingyang, Zhejiang Equipment Under Test (EUT): EUT Name: Auto Tire Pressure Monitoring System Sensors Model No.: BY-MLX-26 Brand Name: N/A FCC ID: 2AX5N-BYMLX26 Standards: 47 CFR Part 1.1307 47 CFR Part 2.1093 KDB447498D01 General RF Exposure Guidance v06 Date of Receipt: 2020-11-02 Date of Test: 2020-11-02 to 2020-11-06 Date of Issue: 2020-11-06 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.: CQASZ20201001281E-02 Page:2 of 6 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20201001281E-02 Rev.01 Initial report 2020-11-06 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001281E-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 .................................................................................................................................5 4.1.2 Limits ..............................................................................................................................................................5 4.1.3 EUT RF Exposure.........................................................................................................................................6 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001281E-02 Page:4 of 6 3 General Information 3.1 Client Information Applicant: Ruian BoYu Automobile Parts Co., Ltd Pingyang Branch Address of Applicant: No. 146, Xinbin Road, Haixi Town, Pingyang, Zhejiang Manufacturer: Ruian BoYu Automobile Parts Co., Ltd Pingyang Branch Address of Manufacturer: No. 146, Xinbin Road, Haixi Town, Pingyang, Zhejiang Factory: Ruian BoYu Automobile Parts Co., Ltd Pingyang Branch Address of Factory: No. 146, Xinbin Road, Haixi Town, Pingyang, Zhejiang 3.2 General Description of EUT Product Name: Auto Tire Pressure Monitoring System Sensors Model No.: BY-MLX-26 Trade Mark: N/A Hardware Version: BY_MLX_HW_V1.0 Software Version: BY_MLX_PG_V1.0 Test sample No: CQASZ20201001281E#1 Sample Type: Mobile Portable Fix Location Operation Frequency: 433.92MHz Channel Numbers: 1 Modulation Type: FSK Antenna Type: Integral antenna Antenna Gain: 0dBi Power Supply: Button battery: DC 3V Note: Using the new battery for testing. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001281E-02 Page:5 of 6 4 SAR Evaluation 4.1 RF Exposure Compliance Requirement 4.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 4.1.2 Limits The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation 17 The result is rounded to one decimal place for comparison The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001281E-02 Page:6 of 6 4.1.3 EUT RF Exposure eirp = pt x gt = (E x d) 2 /30 where: pt = transmitter output power in watts, gt = numeric gain of the transmitting antenna (unitless), E = electric field strength in V/m, ---10 ((dBμV/m)/20) /10 6 , d = measurement distance in meters (m)---3m, So pt = (E x d) 2 /30 / gt The worst case (refer to …

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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.: CQASZ20201001281E-01 Applicant: Ruian BoYu Automobile Parts Co., Ltd Pingyang Branch Address of Applicant: No. 146, Xinbin Road, Haixi Town, Pingyang, Zhejiang Equipment Under Test (EUT): EUT Name: Auto Tire Pressure Monitoring System Sensors Model No.: BY-MLX-26 Brand Name: N/A FCC ID: 2AX5N-BYMLX26 Standards: 47 CFR Part 15, Subpart C Date of Receipt: 2020-11-02 Date of Test: 2020-11-02 to 2020-11-06 Date of Issue: 2020-11-06 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.: CQASZ20201001281E-01 Page:2 of 30 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20201001281E-01 Rev.01 Initial report 2020-11-06 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001281E-01 Page:3 of 30 2 Test Summary Test Item Test Requirement Test method Result Antenna Requirement 47 CFR Part 15, Subpart C Section 15.203 ANSI C63.10 (2013) PASS Conducted Emission (150KHz to 30MHz) 47 CFR Part 15, Subpart C Section 15.207 ANSI C63.10 2013 N/A Field Strength of the Fundamental Signal 47 CFR Part 15, Subpart C Section 15.231 (b) ANSI C63.10 (2013) PASS Spurious Emissions 47 CFR Part 15, Subpart C Section 15.231 (b)/15.209 ANSI C63.10 (2013) PASS 20dB Bandwidth 47 CFR Part 15, Subpart C Section 15.231 (c) ANSI C63.10 (2013) PASS Dwell Time 47 CFR Part 15, Subpart C Section 15.231 (a) ANSI C63.10 (2013) PASS N/A: Not Applicable, the EUT was working by DC. Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20201001281E-01 Page:4 of 30 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 TEST ENVIRONMENT AND MODE ...................................................................................................................... 6 4.4 DESCRIPTION OF SUPPORT UNITS ................................................................................................................... 6 4.5 TEST LOCATION ................................................................................................................................................ 6 4.6 TEST FACILITY ................................................................................................................................................... 7 4.7 STATEMENT OF THE MEASUREMENT UNCERTAINTY ......................................................................................... 7 4.8 DEVIATION FROM STANDARDS .......................................................................................................................... 7 4.9 ABNORMALITIES FROM STANDARD CONDITIONS .............................................................................................. 7 4.10 OTHER INFORMATION REQUESTED BY THE CUSTOMER .................................................................................. 7 4.11 EQUIPMENT LIST ............................................................................................................................................... 8 5 TEST RESULTS AND MEASUREMENT DATA ................................................................................................ 9 5.1 ANTENNA REQUIREMENT .................................................................................................................................. 9 5.2 SPURIOUS EMISSIONS .................................................................................................................................... 10 5.2.1 Duty Cycle................................................................................................................................................. 10 5.2.2 Spurious Emissions ................................................................................................................................. 12 5.3 20DB BANDWIDTH .......................................................................................................................................... 20 5.4 DWELL TIME .................................................................................................................................................... 22 6 PHOTOGRAPHS - EUT TEST SETUP .............................................................................................................. 24 6.1 RADIATED EMISSION ....................................................................................................................................... 24 7 PH…

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FCC ID: 2AX5N-BYMLX26 1 Photographs - EUT Test Setup 1.1 Radiated Emission 9kHz~30MHz: 30MHz~1GHz: FCC ID: 2AX5N-BYMLX26 Above 1GHz: