2A5WLTSB71TPMS Sensor

User Manual 1. General Description Tire pressure sensor is composed of TPS chip, battery, antenna, RF chip and RF matching network. The 3V button battery provides power to the TPS chip and RF chip at the same time, TPS chip measures the pressure temperature and acceleration inside the tire, and transmits the data to the RF chip through the SPI communication interface. When the TPS chip detects acceleration, The RF chip broadcasts the data through the antenna (broadcast frequency: 2402MHz, 2426MHz, 2480MHz) 2. Operation Functions Real-time detection of tire pressure and temperature and display, when the pressure and temperature are abnormal, timely sound and light alarm information to remind the driver to pay attention to driving safety. 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 truck perfectly Simple operation for function programming and inquiry 4. Product information Product name: TPMS Sensor Product model: TSB71 PMN: TPMS Sensor HVIN: TSB71 Manufacturer: Suzhou Unison Auto Electronic Co., Ltd. Manufacturer address: No.35 building, Yangtai Rd., Suzhou Industrial Park, Suzhou, Jiangsu, P.R.China 5. Operating condition Input Pressure Range 100kPa ~ 900kPa Supply Voltage 2.1V - 3.6V Operating Temperature -40°C - 105°C Z-axis Acceleration 355g Max RF Frequency 2402MHz, 2426MHz, 2480MHz 6. Installing structure 7. Installation requirements moment: 3.8 N·m(± 0.3 N·m) TPMS Sensor Tires must do dynamic balance testing and adjusting. Federal Communications Commission (FCC) Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generate, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures: ● Reorient or relocate the receiving antenna. ● Increase the separation between the equipment and receiver. ● Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ● Consult the dealer or an experienced radio / TV technician for help. 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 Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment. RF exposure warning This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. The equipment must not be co-located or operating in conjunction with any other antenna or transmitter. Canadian Compliance Statement This device complies with Industry Canada license-exempt RSSs. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference, including interference that may cause undesired operation of the device Le present appareil est conforme aux CNR d’Industrie Canada applicable aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes: 1. l’appareil ne doit pas produire de brouillage; 2. l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, meme si le brouillage est susceptible d’en compromettre le fonctionnement. IMPORTANT NOTE: Radiation Exposure Statement: This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. Déclaration d'exposition aux radiations: Cet équipement est conforme aux limites d’exposition aux rayonnements IC établies pour un environnement non contrôlé.

Rev 1/26/2023 (Suzhou Unison Auto Electronic Co., Ltd.) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 11-2 9-2023 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2A5WLTSB71 Applicant FRN: 0032138422 Suzhou Unison Auto Electronic Co., Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, FCC US Agent, LLC is our designated U.S. agent for service of process for the above referenced FCC ID. Suzhou Unison Auto Electronic Co., Ltd. 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. FCC US Agent, LLC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: FCC US Agent, LLC U.S. Agent FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Tel.: 708-571-3148 Email: [email protected] Sincerely, Suzhou Unison Auto Electronic Co., Ltd. FCC US Agent, LLC Amy Wu Tim Payne

Report No.: 2310RSU036-UE 1 of 3 EUT External Photograph (1) EUT Photo (2) EUT Photo Report No.: 2310RSU036-UE 2 of 3 (3) EUT Photo (4) EUT Photo Report No.: 2310RSU036-UE 3 of 3 (5) EUT Photo (6) EUT Photo

Report No.: 2310RSU036-UE 1 of 5 EUT Internal Photograph (1) EUT Photo (2) EUT Photo Report No.: 2310RSU036-UE 2 of 5 (3) EUT Photo (4) EUT Photo Report No.: 2310RSU036-UE 3 of 5 (5) EUT Photo (6) EUT Photo Report No.: 2310RSU036-UE 4 of 5 (7) EUT Photo (8) EUT Photo Report No.: 2310RSU036-UE 5 of 5 (9) EUT Photo

MRT Technology (Suzhou) Co., Ltd Report No.: 2310RSU036-U2 Phone: +86-512-66308358 Report Version: V02 Web: www.mrt-cert.com Issue Date: 2023-12-05 Template Version:0.0 1 of 10 RF Exposure Evaluation Declaration FCC ID: 2A5WLTSB71 Applicant: Suzhou Unison Auto Electronic Co., Ltd. Product: TPMS Sensor Model No.: TSB71 Family Model: TSB71-10901, TSB71-10901B, TSB71-10901T, TSB71-10901S, 10901, 10901S, 10901B, 10901T, PDQ-222BLE Brand Name: Unison Sensor FCC Rule Part(s): FCC Part 2.1091 Result: Evaluation Date: Complies 2023-11-27 Reviewed By: Sunny Sun Approved By: Robin Wu The test results relate only to the samples tested. The test results shown in the test report are traceable to the national/international standards through the calibration of the equipment and evaluated measurement uncertainty herein. The test report shall not be reproduced except in full without the written approval of MRT Technology (Suzhou) Co., Ltd. Report No.: 2310RSU036-U2 2 of 10 Revision History Report No. Version Description Issue Date Note 2310RSU036-U2 V01 Initial Report 2023-12-05 Valid Report No.: 2310RSU036-U2 3 of 10 CONTENTS Description Page 1. General Information ................................................................................................................................ 4 1.1. Applicant........................................................................................................................................ 4 1.2. Manufacturer ................................................................................................................................. 4 1.3. Testing Facility ............................................................................................................................... 4 1.4. Product Information ....................................................................................................................... 5 1.5. Antenna Details ............................................................................................................................. 5 1.6. Device Classification ..................................................................................................................... 5 1.7. Applied Standards ......................................................................................................................... 5 2. RF Exposure Evaluation ......................................................................................................................... 6 2.1. Test Limits ..................................................................................................................................... 6 2.2. MPE Exemptions ........................................................................................................................... 7 2.3. Calculated Result ........................................................................................................................ 10 Report No.: 2310RSU036-U2 4 of 10 1. General Information 1.1. Applicant Suzhou Unison Auto Electronic Co., Ltd. No.35 building, Yangtai Rd., Suzhou Industrial Park, Suzhou, Jiangsu, P.R.China 1.2. Manufacturer Suzhou Unison Auto Electronic Co., Ltd. No.35 building, Yangtai Rd., Suzhou Industrial Park, Suzhou, Jiangsu, P.R.China 1.3. Testing Facility Test Site – MRT Suzhou Laboratory Laboratory Location (Suzhou - Wuzhong) D8 Building, No.2 Tian’edang Rd., Wuzhong Economic Development Zone, Suzhou, China Laboratory Location (Suzhou - SIP) 4b Building, Liando U Valley, No.200 Xingpu Rd., Shengpu Town, Suzhou Industrial Park, China Laboratory Accreditations A2LA: 3628.01 CNAS: L10551 FCC: CN1166 ISED: CN0001 VCCI: R-20025 G-20034 C-20020 T-20020 R-20141 G-20134 C-20103 T-20104 Test Site – MRT Shenzhen Laboratory Laboratory Location (Shenzhen) 1G, Building A, Junxiangda Building, Zhongshanyuan Road West, Nanshan District, Shenzhen, China Laboratory Accreditations A2LA: 3628.02 CNAS: L10551 FCC: CN1284 ISED: CN0105 Test Site – MRT Taiwan Laboratory Laboratory Location (Taiwan) No. 38, Fuxing 2nd Rd., Guishan Dist., Taoyuan City 333, Taiwan (R.O.C.) Laboratory Accreditations TAF: 3261 FCC: 291082, TW3261 ISED: TW3261 Report No.: 2310RSU036-U2 5 of 10 1.4. Product Information Product Name TPMS Sensor Model No. TSB71 Family Model TSB71-10901, TSB71-10901B, TSB71-10901T, TSB71-10901S, 10901, 10901S, 10901B, 10901T, PDQ-222BLE Brand Name Unison Sensor Software Version TSB71_V1.01B00 Wireless Specification 2402 ~ 2480MHz Operating Temperature -40 ~ 105°C Operating Voltage 3.0Vdc (By internal lithium battery) Antenna Information Refer to Section 1.5 Notes: 1. The only difference between TSB71 and family models are different model names and different colors of housing shell and valve for different customers, others are the same. Model TSB 71 was selected for test by the manufacturer. 2. The information of EUT was provided by the manufacturer, and the accuracy of the information shall be the responsibility of the manufacturer. 1.5. Antenna Details Antenna Type Frequency Band (MHz) Antenna Gain (dBi) Monopole Antenna 2402 ~ 2480 4.30 Note: The antenna gain is from antenna datasheet provided by the manufacturer. 1.6. Device Classification According to the user manual, this device is classified as a Fixed Device. So, the RF exposure evaluation requirements of § 2.1091 for mobile device exposure conditions subject to MPE limits. 1.7. Applied Standards According to the specifications of the manufacturer, the EUT must comply with the requirements of the following standards: ⚫ FCC Part 2.1091 & KDB 447498 D04 Interim General RF Exposure Guidance v01 Report No.: 2310RSU036-U2 6 of 10 2. RF Exposure Evaluation 2.1. Test Limits According to 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) Limits For Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Fie…

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MRT Technology (Suzhou) Co., Ltd Report No.: 2310RSU036-U1 Phone: +86-512-66308358 Report Version: V01 Web: www.mrt-cert.com Issue Date: 2023-12-05 Template Version:0.0 1 of 44 RF MEASUREMENT REPORT FCC ID: 2A5WLTSB71 Applicant: Suzhou Unison Auto Electronic Co., Ltd. Product: TPMS Sensor Model No.: TSB71 Family Model: TSB71-10901, TSB71-10901B, TSB71-10901T, TSB71-10901S, 10901, 10901S, 10901B, 10901T, PDQ-222BLE Brand Name: Unison Sensor FCC Classification: Digital Transmission System (DTS) FCC Rule Part(s): Part 15 Subpart C (Section 15.247) Result: Complies Received Date: 2023-10-24 Test Date: 2023-11-17 ~ 2023-11-22 Reviewed By: Sunny Sun Approved By: Robin Wu The test results relate only to the samples tested. This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in ANSI C63.10-2013. Test results reported herein relate only to the item(s) tested. The test report shall not be reproduced except in full without the written approval of MRT Technology (Suzhou) Co., Ltd. Report No.: 2310RSU036-U1 2 of 44 Revision History Report No. Version Description Issue Date Note 2310RSU036-U1 V01 Initial Report 2023-12-05 Valid Report No.: 2310RSU036-U1 3 of 44 CONTENTS Description Page 1. General Information ................................................................................................................................ 5 1.1. Applicant ...................................................................................................................................... 5 1.2. Manufacturer ................................................................................................................................ 5 1.3. Testing Facility ............................................................................................................................. 5 1.4. Product Information ...................................................................................................................... 6 1.5. Radio Specification under Test .................................................................................................... 6 1.6. Working Frequencies ................................................................................................................... 6 1.7. Antenna Details ............................................................................................................................ 6 2. Test Configuration ................................................................................................................................... 7 2.1. Test Mode..................................................................................................................................... 7 2.2. Test System Connection Diagram ............................................................................................... 7 2.3. Test Software ............................................................................................................................... 7 2.4. Applied Standards ........................................................................................................................ 8 2.5. Test Environment Condition ......................................................................................................... 8 3. Antenna Requirements ........................................................................................................................... 9 4. Measuring Instrument ........................................................................................................................... 10 5. Decision Rules and Measurement Uncertainty .................................................................................. 11 5.1. Decision Rules ............................................................................................................................ 11 5.2. Measurement Uncertainty ........................................................................................................... 11 6. Test Result .............................................................................................................................................. 12 6.1. Summary .................................................................................................................................... 12 6.2. 6dB Bandwidth Measurement .................................................................................................... 13 6.2.1. Test Limit .................................................................................................................................... 13 6.2.2. Test Procedure ........................................................................................................................... 13 6.2.3. Test Setting ................................................................................................................................ 13 6.2.4. Test Setup .................................................................................................................................. 13 6.2.5. Test Result ................................................................................................................................. 13 6.3. Output Power Measurement ...................................................................................................... 14 6.3.1. Test Limit .................................................................................................................................... 14 6.3.2. Test Procedure ........................................................................................................................... 14 6.3.3. Test Setting ................................................................................................................................ 14 6.3.4. Test Setup ..............................................................…

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Name and address of the antenna manufacturer: Shanghai Shuangsheng Yingzhan Industrial Co., LTD., Building 3, No. 2640 Tingfeng Road, Zhujing Town, Jinshan District, Shanghai Model number of the antenna: SATH201202001 Operating Temperature: −40 °C~ 105 °C Frequency Range: 2400MHz~2500MHz Antenna Peak Gain：4.3dBi(Max) Antenna VSWR: 2(Max) Antenna Impedance: 50Ω Antenna Polarization: Vertical Antenna Return loss: As shown in the picture. Antenna 3D 3D radiation pattern: As shown in the picture. Antenna material：Cu Antenna thickness：1.3mm Antenna size:：As shown in the picture

Report No.: 2310RSU036-UT RF Test Setup Photo Description: Radiated Spurious Emissions Test Setup for 9kHz ~ 30MHz Description: Radiated Spurious Emissions Test Setup for 9kHz ~ 30MHz (Zoom Photo) Report No.: 2310RSU036-UT Description: Radiated Spurious Emissions Test Setup for 30MHz ~ 1000MHz Description: Radiated Spurious Emissions Test Setup for 1GHz ~ 18GHz Report No.: 2310RSU036-UT Description: Radiated Spurious Emissions Test Setup for above 18GHz Description: Conducted Test Setup