2AUARS2THINKTPMS S2

THINKCAR TECH CO., LTD. Date: 2022-06-24 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Long Term Confidentiality FCC ID: 2AUARS2 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Jinyuan Tang Title: Manager

THINKCAR TECH CO., LTD. Agent Authorization Company: THINKCAR TECH CO., LTD. Address: 2606, building 4, phase II, TiananYungu, Gangtou community, Bantian, Longgang District, Shenzhen, China Product Name: THINKTPMS S2 Model Number(s): TKTS2 Product Description: THINKTPMS S2 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Date: 2022-06-24 Signature: Name: Jinyuan Tang Title: Manager Company: THINKCAR TECH CO., LTD.

Page 1 of 3 Appendix C: Photographs of EUT Product: THINKTPMS S2 Model: TKTS2 External Photos Antenna Page 2 of 3 Page 3 of 3

Label Artwork and Location Model: TKTS2 Location

Page 1 of 3 Appendix C: Photographs of EUT Product: THINKTPMS S2 Model: TKTS2 Internal Photos Page 2 of 3 Page 3 of 3

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AUARS2 Test Report No. ............... : TCT220608E032 Date of issue ................... : Jun. 17, 2022 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: TCT Testing Industrial Park Fuqiao 5th Industrial Zone, Fuhai Street, Bao'an District Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : THINKCAR TECH CO., LTD. Address ........................... : 2606, building 4, phase II, TiananYungu, Gangtou, community, Bantian, Longgang District, Shenzhen, China Manufacturer's name ... : THINKCAR TECH CO., LTD. Address ........................... : 2606, building 4, phase II, TiananYungu, Gangtou, community, Bantian, Longgang District, Shenzhen, China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.231 Product Name ................. : THINKTPMS S2 Trade Mark ...................... : THINKCAR Model/Type reference ..... : TKTS2 Rating(s) ......................... : DC 3V Date of receipt of test item ......................................... : Jun. 08, 2022 Date (s) of performance of test ................................... : Jun. 08, 2022 - Jun. 17, 2022 Tested by (+signature) ... : Rleo LIU Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT220608E032 Page 2 of 31 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information ................................................................... 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list............................................................................................................ 3 2. Test Result Summary ............................................................................... 4 3. General Information .................................................................................. 5 3.1. Test Environment and Mode ................................................................................. 5 3.2. Description of Support Units ................................................................................ 6 4. Facilities and Accreditations ................................................................... 7 4.1. Facilities ................................................................................................................. 7 4.2. Location ................................................................................................................. 7 4.3. Measurement Uncertainty ..................................................................................... 7 5. Test Results and Measurement Data ...................................................... 8 5.1. Antenna Requirement ........................................................................................... 8 5.2. Conducted Emission ............................................................................................. 9 5.3. Radiated Emission Measurement ...................................................................... 10 5.4. Manually Activated Transmitter ......................................................................... 21 5.5. Occupied Bandwidth ........................................................................................... 23 Appendix A: Photographs of Test Setup Appendix B: Photographs of EUT Report No.: TCT220608E032 Page 3 of 31 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : THINKTPMS S2 Model/Type reference ........... : TKTS2 Sample Number....................: TCT220608E032-0101 Operation Frequency ........... : 315MHz, 433.92MHz Modulation Technology ....... : FSK Antenna Type ........................ : External Antenna Antenna Gain ........................ : 0dBi Rating(s) ............................... : DC 3V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. Report No.: TCT220608E032 Page 4 of 31 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. Test Result Summary Requirement CFR 47 Section Result Antenna Requirement §15.203/§15.247 (c) PASS Conduction Emission, 0.15MHz to 30MHz §15.207 N/A Manually Activated Transmitter §15.231(a) PASS Radiation Emission §15.231(b), §15.205, §15.209, §15.35 PASS Occupied Bandwidth §15.231(c) PASS Note: 1. PASS: Test item meets the requirement. 2. Fail: Test item does not meet the requirement. 3. N/A: Test case does not apply to the test object. 4. The test result judgment is decided by the limit of test standard. Report No.: TCT220608E032 Page 5 of 31 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. General Information 3.1. Test Environment and Mode Operating Environment: Condition Radiated Emission Temperature: 28 C Humidity: 53 % RH Test Mode: TM1: Keep the EUT in 315M transmitting with modulation TM2: Keep the EUT in 433M transmitting with modulation Remark: All modes have been tested, and the worse mode (TM1) is report only. The sample was placed (0.8m below 1GHz, 1.5m above 1GHz) above the ground plane of 3m chamber. Measurements in both horizontal and vertical polarities were performed. During the test, each emission was maximized by: having the EUT conti…

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Page 1 of 1 Appendix A: Photographs of Test Setup Product: THINKTPMS S2 Model: TKTS2 Radiated Emission