2AUARTKX12Modular Comprehensive Automotive Diagnostic Tool

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2.911(d)(5)(i)EquipmentTypeAttestationv1.2 THINKCAR TECH CO., LTD. Section 2.9 11(d)(5)(i) Certification – EquipmentType Company name: THINKCAR TECH CO., LTD. Address: 2606, building 4, phase II, TiananYungu, Gangtou community, Bantian, Longgang District, Shenzhen, China Product Name: Modular Comprehensive Automotive Diagnostic Tool FCC ID: 2AUARTKX12 Model(s): TKX12, THINKTOOL Platinum 394, THINKTOOL Euro 394, THINKTOOL Expert 394 2.911(d)(5)(i) EquipmentType We, [THINKCAR TECH CO., LTD.] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibitedfrom receivingan equipmentauthorizationpursuantto § 2.903;of the FCC rules.  Identifiedas an equipmenttype in the “CoveredList ” NOTE1 Yourssincerely, Name:JinyuanTang Date:2023-09-19 Title and Companyname:Manager/ THINKCARTECHCO., LTD. NOTE1 “CoveredList”; is the List of Equipmentand ServicesCoveredBy Section2 of The SecureNetworksAct, availableat https://www.fcc.gov/supplychain/coveredlist References; 1) 986446D01 CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) FederalRegisterdocument2022-28263publishedon 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

2.911(d)(5)(ii)ApplicantAttestationv1.3 THINKCAR TECH CO., LTD. Section 2.9 11(d)(5)(ii) Certification – Applicant (Covered Lis t) Company name: THINKCAR TECH CO., LTD. Address: 2606, building 4, phase II, TiananYungu, Gangtou community, Bantian, Longgang District, Shenzhen, China Product Name: Modular Comprehensive Automotive Diagnostic Tool FCC ID: 2AUARTKX12 Model(s): TKX12, THINKTOOL Platinum 394, THINKTOOL Euro 394, THINKTOOL Expert 394 2.911(d)(5)(ii) Applicant filing We, [THINKCAR TECH CO., LTD.] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 ,established pursuant to §1.50002 of this chapter,as an entity producing coveredcommunications equipment. Yours sincerely, Name:JinyuanTangDate:2023-09-19 Title and Companyname:Manager/ THINKCARTECHCO., LTD. NOTE1 Deleteoptionnot applicableto this application. NOTE2 “CoveredList”; is the List of Equipmentand ServicesCoveredBy Section2 of The SecureNetworksAct, availableat https://www.fcc.gov/supplychain/coveredlist References; 1) 986446D01 CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) FederalRegisterdocument2022-28263publishedon 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

2.911(d)(7)USAAgentv1.4 THINKCAR TECH CO., LTD. Section 2.9 11(d)(7) USA Agent for Service of Process Company name: THINKCAR TECH CO., LTD. Address: 2606, building 4, phase II, TiananYungu, Gangtou community, Bantian, Longgang District, Shenzhen, China Product Name: Modular Comprehensive Automotive Diagnostic Tool FCC ID: 2AUARTKX12 Model(s): TKX12, THINKTOOL Platinum 394, THINKTOOL Euro 394, THINKTOOL Expert 394 2.911(d)(7) USA Designated Agent for Service of Process We, [THINKCAR TECH CO., LTD.] (“the applicant”) designate [Thinkcar Tech Inc.] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent:We acknowledgeour consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledgeour acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either we the grantee have permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation:We acknowledgeourobligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email addressfor no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. USA Agent Companyname:ThinkcarTech Inc. USA Address:720 S RochesterAve Unit B, Ontario,CA 91761 , UnitedStates FRN Number: 0029099298 ContactName:WinterZhao TelephoneNo: (183) 369-22766 Email:[email protected] Applicant Companyname:THINKCARTECHCO., LTD. Address:2606, building4, phaseII, TiananYungu,Gangtoucommunity, Bantian,LonggangDistrict, Shenzhen, China FCC GranteeCode:2AUAR ContactName:JinyuanTang TelephoneNo: 86-0755-23760920 Email:[email protected] THINKCARTECHCO.,LTD. 2.911(d)(7)USAAgentv1.4 Signature: Title:Manager Signature: Title:Manager Date:2023-09-19Date:2023-09-19 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

THINKCARTECHCO.,LTD. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2023-09-19 Subject;RequestforLongTermConfidentiality FCCID:2AUARTKX12 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. Schematic Diagram Block Diagram Parts List Operational Description Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:JinyuanTang Title:Manager software security

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: Modular Comprehensive Automotive Diagnostic Tool Model Number(s): TKX12, THINKTOOL Platinum 394, THINKTOOL Euro 394, THINKTOOL Expert 394 Product Description: Modular Comprehensive Automotive Diagnostic Tool 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. Signature:Date:20 23-09-19 Name:JinyuanTang Title:Manager Company:THINKCARTECHCO., LTD.

THINKCARTECHCO., LTD. 2606, building4, phaseII, TiananYungu,Gangtoucommunity,Bantian,Longgang District, Shenzhen, China Statement Product: Modular Comprehensive Automotive Diagnostic Tool Model: TKX12 Additional Model: THINKTOOL Platinum 394, THINKTOOL Euro 394, THINKTOOL Expert 394 Trademark: THINKCAR, XHINKCAR, MUCAR We hereby state that TKX12 is tested model, other models are derivative models. The models are identical in circuit and PCB layout, different on the model names and trademarks. So the test data of TKX12 can represent the remaining models. Your assistance on this matter is highly appreciated. Yours sincerely, Signature: Date: 20 23/09/19 Name : JinyuanTang CompanyName: THINKCARTECHCO., LTD. Address: 2606,building4, phaseII, TiananYungu,Gangtoucommunity,Bantian,Longgang District, Shenzhen, China Tel / Fax : 86-0755-23760920/86-0755-23760920 E-Mail : [email protected]

Page 1 of 5 Appendix C: Photographs of EUT Product: Modular Comprehensive Automotive Diagnostic Tool Model: TKX12 External Photos Page 2 of 5 Page 3 of 5 Page 4 of 5 Page 5 of 5

LabelArtworkandLocation Model:TKX12 Label: Size:L*W=80*30mm Location

Page 1 of 8 Appendix C: Photographs of EUT Product: Modular Comprehensive Automotive Diagnostic Tool Model: TKX12 Internal Photos Antenna Page 2 of 8 Page 3 of 8 Page 4 of 8 Page 5 of 8 Page 6 of 8 Page 7 of 8 Page 8 of 8

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com SAR TEST REPORT FCC ID. ............................ : 2AUARTKX12 Test Report No. ............... : TCT230816E011 Date of issue ................... : Sep. 11, 2023 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, 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 Product Name ................. : Modular Comprehensive Automotive Diagnostic Tool Trade Mark ...................... : THINKCAR, XHINKCAR, MUCAR Model/Type reference..... : TKX12, THINKTOOL Platinum 394, THINKTOOL Euro 394, THINKTOOL Expert 394 SAR Max. Values..............: 0.56 W/Kg (1g) for Body-worn Date of receipt of test item ......................................... : Aug. 16, 2023 Date (s) of performance of test ................................... : Aug. 16, 2023- Sep. 11, 2023 Tested by (+signature) ... : Una LI 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.: TCT230816E011 Page 2 of 94 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TABLE OF CONTENTS 1. General Product Information .................................................................. 4 1.1. EUT description ................................................................................................................................. 4 1.2. Model(s) list ....................................................................................................................................... 4 2. Test standard ........................................................................................... 5 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ............................................................................................................................................. 5 3.2. Location.............................................................................................................................................. 5 4. Test Result Summary .............................................................................. 6 5. RF Exposure Limit ................................................................................... 7 6. SAR Measurement System Configuration ............................................. 8 6.1. SAR Measurement Set-up ................................................................................................................ 8 6.2. E-field Probe ...................................................................................................................................... 9 6.3. Phantom ............................................................................................................................................. 9 6.4. Device Holder .................................................................................................................................. 10 6.5. Data Storage and Evaluation ......................................................................................................... 11 6.6. Position of the wireless device in relation to the phantom ........................................................ 12 6.7. Tissue Dielectric Parameters ......................................................................................................... 15 6.8. Tissue-equivalent Liquid Properties ............................................................................................. 16 6.9. System Check .................................................................................................................................. 17 7. Measurement Procedure ....................................................................... 18 8. Conducted Output Power ...................................................................... 21 9. Exposure Position Consideration ........................................................ 24 9.1. EUT Antenna Location .................................................................................................................... 24 9.2. Test Position Consideration .......................................................................................................... 24 10. SAR Test Results Summary .................................................................. 25 10.1. Body-Worn 1g SAR Data ................................................................................................................ 25 10.2. Simultaneous Transmission Conclusion...................................................................................... 27 10.3. SAR Simultaneous Transmission Analysis .................................................................................. 28 10.4. Measurement Uncertainty (450MHz-3GHz) ................................................................................... 29 10.5. Test Equipment List ........................................................................................................................ 31 11. System Check Results .......................................................................... 32 12. SAR Test …

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Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2AUARTKX12 Test Report No. ............... : TCT230816E005 Date of issue ................... : Sep. 11, 2023 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, 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 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Product Name ................. : Modular Comprehensive Automotive Diagnostic Tool Trade Mark ...................... : THINKCAR, XHINKCAR, MUCAR Model/Type reference..... : TKX12, THINKTOOL Platinum 394, THINKTOOL Euro 394, THINKTOOL Expert 394 Rating(s).......................... : Adapter Information: Model: PSYB0502500 Input: AC 100-240V, 50/60Hz, 0.6A Max Output: DC 5.0V, 2.5A, 12.5W Rechargeable Li-ion Battery DC 7.6V Date of receipt of test item ......................................... : Aug. 16, 2023 Date (s) of performance of test ................................... : Aug. 16, 2023 - Sep. 11, 2023 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.: TCT230816E005 Page 2 of 102 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 1.3. Operation Frequency ............................................................................................ 4 2. Test Result Summary .............................................................................. 5 3. General Information ................................................................................. 6 3.1. Test environment and mode ................................................................................. 6 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. Conducted Output Power ................................................................................... 13 5.4. 20dB Occupy Bandwidth .................................................................................... 14 5.5. Carrier Frequencies Separation ......................................................................... 15 5.6. Hopping Channel Number .................................................................................. 16 5.7. Dwell Time ............................................................................................................ 17 5.8. Pseudorandom Frequency Hopping Sequence ................................................ 18 5.9. Conducted Band Edge Measurement ................................................................ 19 5.10.Conducted Spurious Emission Measurement .................................................. 20 5.11.Radiated Spurious Emission Measurement ..................................................... 21 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT230816E005 Page 3 of 102 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 ....................... : Modular Comprehensive Automotive Diagnostic Tool Model/Type reference........... : TKX12 Sample Number....................: TCT230816E005-0101 Bluetooth Version ................ : V5.0 (This report is for BDR+EDR) Operation Frequency ........... : 2402MHz~2480MHz Transfer Rate ........................ : 1/2/3 Mbits/s Number of Channel .............. : 79 Modulation Type ................... : GFSK, π/4-DQPSK, 8DPSK Modulation Technology ....... : FHSS Antenna Type ........................ : Internal Antenna Antenna Gain ........................ : 3.72dBi Rating(s)................................ : Adapter Information: Model: PSYB0502500 Input: AC 100-240V, 50/60Hz, 0.6A Max Output: DC 5.0V, 2.5A, 12.5W Recharg…

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Report No.: TCT230816E005 Page 76 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Hopping No. NVNT 3-DH1 2441MHz Report No.: TCT230816E005 Page 77 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell Time Condition Mode Frequency (MHz) Pulse Time (ms) Total Dwell Time (ms) Burst Count Period Time (ms) Limit (ms) Verdict NVNT 1-DH1 2441 0.38 120.08 316 31600 400 Pass NVNT 1-DH3 2441 1.63 257.54 158 31600 400 Pass NVNT 1-DH5 2441 2.88 328.32 114 31600 400 Pass NVNT 2-DH1 2441 0.38 120.84 318 31600 400 Pass NVNT 2-DH3 2441 1.63 254.28 156 31600 400 Pass NVNT 2-DH5 2441 2.88 328.32 114 31600 400 Pass NVNT 3-DH1 2441 0.39 123.24 316 31600 400 Pass NVNT 3-DH3 2441 1.63 254.28 156 31600 400 Pass NVNT 3-DH5 2441 2.89 332.35 115 31600 400 Pass Report No.: TCT230816E005 Page 78 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Test Graphs Dwell NVNT 1-DH1 2441MHz One Burst Dwell NVNT 1-DH1 2441MHz Accumulated Report No.: TCT230816E005 Page 79 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 1-DH3 2441MHz One Burst Dwell NVNT 1-DH3 2441MHz Accumulated Report No.: TCT230816E005 Page 80 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 1-DH5 2441MHz One Burst Dwell NVNT 1-DH5 2441MHz Accumulated Report No.: TCT230816E005 Page 81 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 2-DH1 2441MHz One Burst Dwell NVNT 2-DH1 2441MHz Accumulated Report No.: TCT230816E005 Page 82 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 2-DH3 2441MHz One Burst Dwell NVNT 2-DH3 2441MHz Accumulated Report No.: TCT230816E005 Page 83 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 2-DH5 2441MHz One Burst Dwell NVNT 2-DH5 2441MHz Accumulated Report No.: TCT230816E005 Page 84 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 3-DH1 2441MHz One Burst Dwell NVNT 3-DH1 2441MHz Accumulated Report No.: TCT230816E005 Page 85 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 3-DH3 2441MHz One Burst Dwell NVNT 3-DH3 2441MHz Accumulated Report No.: TCT230816E005 Page 86 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Dwell NVNT 3-DH5 2441MHz One Burst Dwell NVNT 3-DH5 2441MHz Accumulated Report No.: TCT230816E005 Page 87 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Appendix B: Photographs of Test Setup Product: Modular Comprehensive Automotive Diagnostic Tool Model: TKX12 Radiated Emission Report No.: TCT230816E005 Page 88 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Report No.: TCT230816E005 Page 89 of 102 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Conducted Emission Report No.: TCT…

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