2BRHE-K1The Keynex K1 Smart Car Control System is engineered to enhance vehicle security and access

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Keyvault Auto LLC Grantee code: 2BRHE FCC ID: 2BRHE-K1 FRN: 0037380466 Contact Name: Artem Kiyashchenko Address: 7901 4th St N #11599 St. Petersburg, FL 33702, USA Telephone No: +1(310)2699988 Fax No: Email: [email protected] i. Keyvault Auto LLC (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. The applicant must sign this certification. ii. Keyvault Auto LLC (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. Keyvault Auto LLC (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment . Date: 2025/11/03 Applicant’s Name: Artem Kiyashchenko Title: CEO Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Keyvault Auto LLC Address: 7901 4th St N #11599 St. Petersburg, FL 33702, USA Product Name: Keynex K1 Smart Car Control System Model Number: K1 FCC Identifier: 2BRHE-K1 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Artem Kiyashchenko Date: November, 03, 2025 Title: CEO Signature of applicant:

C5266091_X10_Ed.2 1/2 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: November, 03, 2025 Subject: Request for Confidentiality FCC ID: 2BRHE-K1 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☒ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of 180 days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. 2/2 Sincerely, Signature: Name: Artem Kiyashchenko Title: CEO

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Keyvault Auto LLC Grantee code: 2BRHE FCC ID: 2BRHE-K1 FRN: 0037380466 Contact Name: Artem Kiyashchenko Address: 7901 4th St N #11599 St. Petersburg, FL 33702, USA Telephone No: +1(310)2699988 Fax No: Email: [email protected] i. Keyvault Auto LLC (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. The applicant must sign this certification. ii. Keyvault Auto LLC (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. Keyvault Auto LLC (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment . Date: 2025/11/03 Applicant’s Name: Artem Kiyashchenko Title: CEO Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

Page1of3ReportNo.:MTi251106025-0101 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] PhotographsoftheEUT Model:K1 FCCID:2BRHE-K1 Page2of3ReportNo.:MTi251106025-0101 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Page3of3ReportNo.:MTi251106025-0101 Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China. Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected]

KEYNEX K1 FCC ID and Label Location KEYNEX K1 The Keynex K1 is a smart car control system that provides secure, remote vehicle access and monitoring through a dedicated mobile app. Label Information: Smart car control system Model: K1 Power: 12V DC, 0.2A Manufactured by: Keyvault Inc. Website: keynex.com Made in Thailand Production: 2025-09-26 FCC ID: 2BRHE-K1 Contains FCC ID: XPYBMD341 Contains FCC ID: 2A35D-DWM3001 Label Location

Tel:0755-88850135-1439 Mobile:131-4343-1439（Wechatsamenumber） Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE040 Ver./Rev.：A1 Page 1 of 17 TestReport ReportNo.:MTi251106025-0101E1 Dateofissue:2025-11-18 Applicant:KeyvaultautoLLC Product:KeynexK1SmartControlSystem Model(s):K1 FCCID:2BRHE-K1 ShenzhenMicrotestCo.,Ltd. TESTREPORT ReportNo.:MTi251106025-0101E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE040 Ver./Rev.：A1 Page 2 of 17 Tableofcontents 1GeneralDescription.......................................................................................................................4 1.1DescriptionoftheEUT.........................................................................................................4 1.2Descriptionoftestmodes....................................................................................................4 1.3EnvironmentalConditions....................................................................................................5 1.4Descriptionofsupportunits.................................................................................................5 1.5Measurementuncertainty....................................................................................................5 2SummaryofTestResult................................................................................................................6 3TestFacilitiesandaccreditations................................................................................................7 3.1Testlaboratory.....................................................................................................................7 4Listoftestequipment....................................................................................................................8 5EmissionTestResults(EMI).........................................................................................................9 5.1Radiatedemissions(Below1GHz)......................................................................................9 5.2Radiatedemissions(Above1GHz)...................................................................................12 Photographsofthetestsetup...........................................................................................................15 PhotographsoftheEUT.....................................................................................................................16 TESTREPORT ReportNo.:MTi251106025-0101E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE040 Ver./Rev.：A1 Page 3 of 17 TestResultCertification ApplicantKeyvaultautoLLC ApplicantAddress79014thStN#11599St.Petersburg,FL33702UnitedStates ManufacturerKeyvaultautoLLC Manufacturer Address 79014thStN#11599St.Petersburg,FL33702UnitedStates FactoryCal-CompElectronics(Thailand) FactoryAddress 191/54,191/57,18thFl.,CTITower,RachadapisekRoad,Klongtoey, Bangkok101110 Productdescription ProductnameKeynexK1SmartControlSystem TrademarkKeynex ModelnameK1 SeriesModel(s)N/A Standards47CFRPart15,SubpartB TestMethodANSIC63.4-2014 TestingInformation Dateoftest2025-11-12to2025-11-14 TestresultPass Preparedby:LetterLan Reviewedby:DavidLee Approvedby:LewisLian TESTREPORT ReportNo.:MTi251106025-0101E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE040 Ver./Rev.：A1 Page 4 of 17 1GeneralDescription 1.1DescriptionoftheEUT Productname:KeynexK1SmartControlSystem Modelname:K1 SeriesModel(s):N/A Modeldifference:N/A Electricalrating:Input:DC12V Accessories:N/A Testsample(s)number:MTi251106025-01-E001 1.2Descriptionoftestmodes Fortest,theEUThasbeenpre-testedunderthefollowingtestmodes,Onlytheworstcasedata willbeshowninthereport. No.Emissiontestmodes Mode1BTLinking TESTREPORT ReportNo.:MTi251106025-0101E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE040 Ver./Rev.：A1 Page 5 of 17 1.3EnvironmentalConditions Duringthemeasurementtheenvironmentalconditionswerewithinthelistedranges: Temperature:15°C~35°C Humidity:20%RH~75%RH Atmosphericpressure:98kPa~101kPa 1.4Descriptionofsupportunits TheEUThasbeentestedasanindependentunittogetherwithothernecessaryaccessoriesor supportunits.Thefollowingsupportunitsoraccessorieswereusedtoformarepresentativetest configurationduringthetests. Supportequipmentlist DescriptionModelSerialNo.Manufacturer MobilephoneiPhone12ProMax/Apple Laptope485/Lenovo Supportcablelist DescriptionLength(m)FromTo //// 1.5Measurementuncertainty MeasurementUncertainty Radiatedemissions(30MHz~1GHz)±4.7dB Radiatedemissions(above1GHz)±5.1dB Temperature±1°C Humidity±5% Thisuncertaintyrepresentsanexpandeduncertaintyexpressedatapproximatelythe95% confidencelevelusingacoveragefactorofk=2. TESTREPORT ReportNo.:MTi251106025-0101E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE040 Ver./Rev.：A1 Page 6 of 17 2SummaryofTestResult No.ItemStandardRequirementResult 1 Radiatedemissions(Below 1GHz) 47CFRPart15,SubpartB15.109,ClassBPass 2 Radiatedemissions(Above 1GHz) 47CFRPart…

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TESTREPORT ReportNo.:MTi251106025-0101E1 Tel:0755-88850135-1439Mobile:131-4343-1439(Wechatsamenumber)Web:http://www.mtitest.cnE-mail:[email protected] Address:101,No.7,Zone2,XinxingIndustrialPark,FuhaiAvenue,XinheCommunity,FuhaiStreet,Bao’anDistrict,Shenzhen,Guangdong,China Q/MTI-QP-12-FE040 Ver./Rev.：A1 Page 15 of 17 Photographsofthetestsetup Radiatedemissions(Below1GHz) Radiatedemissions(Above1GHz)