2ASC7DS500BTCar Diagnostic Tool

Rev1/26/2023 OBDSPACETECHNOLOGYCO,.LTD FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:December3,2025 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:(2ASC7DS500BT) [OBDSPACETECHNOLOGYCO,.LTD]certifiesthattheequipmentforwhichauthorizationissoughtisnot “covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903of theFCCrules. [OBDSPACETECHNOLOGYCO,.LTD]certifiesthattheequipmentforwhichauthorizationissoughtdoes notincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.oranyofits successorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature) (Applicantprintedname)FrankHao Rev1/26/2023 OBDSPACETECHNOLOGYCO,.LTD FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:December3,2025 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:(2ASC7DS500BT) [OBDSPACETECHNOLOGYCO,.LTD]certifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesor affiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)FrankHao

OBDSPACETECHNOLOGYCO,.LTD U.S.AgentDesignationforServiceofProcess (ApplicantandU.S.AgentareSeparateParties) TO:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ATTENTION:FCCCertification–Section2.911(d)(7)Information DesignatedU.S.Agent CompanyName:BaihetianInnovativeSolutions FRN:0033401605 ContactName:KennethYoung StreetAddress:6837ChaseRd City/Province/Zip:Dearborn,MI48126 TelephoneNo:313-395-3113 Email:[email protected] Thisletteristoconfirmthatwe(“theDesignatedU.S.Agent)haveacceptedtheresponsibilitytoactasthe DesignatedU.S.AgentforServiceofProcessasrequiredbysection47CFR2.911(d)(7)onbehalfofthe Applicantnotedbelow. U.S.AgentSignature: Date:December3,2025 Signedby(PrintedName/Title):KennethYoung/Manager TheApplicantacknowledgesthattheymustmaintainanagentfornolessthanoneyearafterterminatingall marketingandimportationORtheconclusionofanyCommission-relatedproceedinginvolvingthe equipment.TheapplicantfurtheracknowledgestheirresponsibilitytoinformtheFCCwheneverthe DesignatedU.S.Agentinformationabovechanges. Applicant Companyname:OBDSPACETECHNOLOGYCO,.LTD GranteeCode:2ASC7 FCCID:2ASC7DS500BT FRN:0028167070 ContactName:FrankHao StreetAddress:RoomD03,BuildingA,No.973,MinZhiAvenueLongHuadistrict,ShenzhenCity, ChinaTelephoneNo:+86-13691649917 Email:[email protected] ApplicantSignature: Date:December3,2025 Signedby(PrintedName/Title):FrankHao/Manager Dec 2025

OBDSPACETECHNOLOGYCO,.LTD RoomD03,BuildingA,No.973,MinZhiAvenueLongHuadistrict,ShenzhenCity, China OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:December5,2025 Subject;RequestforConfidentiality FCCID:2ASC7DS500BT ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:FrankHao Title:Manager

OBDSPACETECHNOLOGYCO,.LTD Date：December3,2025 ProductModelNumber:DS500BT,DS510BT,DS520BT,DS530BT,DS540 BT,DS550BT,DS560BT,DS570BT,DS580BT,DS590BT FCCID：2ASC7DS500BT Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:Manager Email:[email protected] Telephone:+86-13691649917 Onbehalfof:OBDSPACETECHNOLOGYCO,.LTD

OBDSPACETECHNOLOGYCO,.LTD RoomD03,BuildingA,No.973,MinZhiAvenueLongHuadistrict,ShenzhenCity,China Tel:+86-13691649917E-mail:[email protected] SeriesModelsDescription FCCID:2ASC7DS500BT FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:December3,2025 Towhomitmayconcern: Thedevice(ProductName:CarDiagnosticTool)ModelsName: DS500BT,DS510BT,DS520BT,DS530BT,DS540BT,DS550BT,DS560 BT,DS570BT,DS580BT,DS590BThavesameelectrical,PCBandBOM, onlythecolourandmodel’snamesaredifferentformarketing requirements. Sincerely, FrankHao/Manager

深圳市同讯精密技术有限公司 ShenzhenTongxunPrecisionTechnologyCo.,Ltd 地址：深圳市龙华区福城街道茜坑社区茜坑路52号 ADDRESS:5thfloor,No.52,XikengRoad,Xikengcommunity,Fuchengstreet,LonghuaDistrict,Shenzhen 电话（TEL）：0755-28199597网址（WEB）：www.toxutech.com 规格承认书 Specificationsheet 客戶 THINKCAR TECH CO., LTD. Customername 客户料号 1.02.23.0141 CustomerP/N 品名 ThinkScan 909 antenna (WIFI/BT dual antenna),RoHS ArticleDescription 同讯料號 KC.IA.00534 TOXUPartNo. 承认书号码 A20240626-001 ApprovalsheetNo. 日期 2024.06.26 Date 承认填写栏Signatureconfirmation 供应商确认（供方填写栏） Suppliersignature 客户承认（需方填写栏） Customersignature Dewen Li 盖章seal：盖章seal： 日期date2024.06.26日期date 备注Remarks： 深圳市同讯精密技术有限公司 ShenzhenTongxunPrecisionTechnologyCo.,Ltd 地址：深圳市龙华区福城街道茜坑社区茜坑路52号 ADDRESS:5thfloor,No.52,XikengRoad,Xikengcommunity,Fuchengstreet,LonghuaDistrict,Shenzhen 电话（TEL）：0755-28199597网址（WEB）：www.toxutech.com 目录 catalogue 1. 封面（ CoverPage ） ------------------------------------------------------------page(1to1) 2. 目录 (Content)--------------------------------------------------------------------page(2to2) 3. 变更履历 (ChangeHistorySheet)--------------------------------------------page(3to3) 4. 产品相片 (Productphotos)----------------------------------------------------page(3to3) 5. 机械及电气性能 (MechanicsandElectricalSpecification)-----------page(4to4) 6. 性能报告 (Performancereport)---------------------------------------------page(5to6) 7. 成品图面 (CustomerDrawing)---------------------------------------------page(7to7) 8. 包装规格 (PackingSpec)-------------------------------------------------page(8to8) 深圳市同讯精密技术有限公司 ShenzhenTongxunPrecisionTechnologyCo.,Ltd 地址：深圳市龙华区福城街道茜坑社区茜坑路52号 ADDRESS:5thfloor,No.52,XikengRoad,Xikengcommunity,Fuchengstreet,LonghuaDistrict,Shenzhen 电话（TEL）：0755-28199597网址（WEB）：www.toxutech.com 3. 承认书变更履历Acknowledge the change of resume 版本（REV）发起人（Originator）日期（Date）变更描述(ChangeDescription) A/1LI2024.06.26FirstVersion 4. 产品相片 (Productphotos): 深圳市同讯精密技术有限公司 ShenzhenTongxunPrecisionTechnologyCo.,Ltd 地址：深圳市龙华区福城街道茜坑社区茜坑路52号 ADDRESS:5thfloor,No.52,XikengRoad,Xikengcommunity,Fuchengstreet,LonghuaDistrict,Shenzhen 电话（TEL）：0755-28199597网址（WEB）：www.toxutech.com 5. 机械及电气性能 (MechanicsandElectricalSpecification) 产品名称(Name) FPC antenna 产品型号(Model Type) 909-WiFi/BT ANT 电性能指标(ElectricalSpecifications) 频率范围(FrenquencyRange)2400-2500MHZ/5150-5850 MHZ 极化方式（Polarization）线极化linear 输入阻抗(Impedance)50Ω辐射方向（Radiation direction） 全向 omnidirectional 驻波比（VSWR）≦2.0功率容量(Power)10W 增益(Gain)3.53dBi（MAX）带宽(Bandwidth）100/600MHZ 机械指标(MechanicalSpecifications) 尺寸(Dimensions)31.7*20.7*0.45颜色(colour)黑色black 连接器型号(Connector)IPEX-I引线长度(CableLength)125MM 材料RadomeMaterialFPC盐雾（Saltspraytest）48H 工作温度 (WorkingTemperature) -40°C-+85°C存放温度 (LimitTemperature) -40°C-+85°C 天线类型（Antennatype）PIFA 深圳市同讯精密技术有限公司 ShenzhenTongxunPrecisionTechnologyCo.,Ltd 地址：深圳市龙华区福城街道茜坑社区茜坑路52号 ADDRESS:5thfloor,No.52,XikengRoad,Xikengcommunity,Fuchengstreet,LonghuaDistrict,Shenzhen 电话（TEL）：0755-28199597网址（WEB）：www.toxutech.com 6 性能报告 (Performancereport) 6.1 测试项目及设备 TestItemsandEquipment 测试项目 TestItems 测试设备 TestEquipment SParameter1.Returnloss 2.VSWR Networkanalyzar (AglientE5071C) Thewholemachineof Passiveparameters 1.Freqency 2.Gain 3.Radiation Pattem 1.3Dmicrowarvedarkroom (4M*3M*3M) 2.Networkanalyzer Thewholemachineof Activeparameters 1.TRP 2.TIS 1.3Dmicrowavedarkroom (4M*3M*3M) 3.Comprehensivetestinstrument 4.(CMW500)(E7515E) InstrumentcalibrationOnceayear ， Lastcalibration ： 2023.11.22 ， Validuntil:2024.11.22 a 深圳市同讯精密技术有限公司 ShenzhenTongxunPrecisionTechnologyCo.,Ltd 地址：深圳市龙华区福城街道茜坑社区茜坑路52号 ADDRESS:5thfloor,No.52,XikengRoad,Xikengcommunity,Fuchengstreet,LonghuaDistrict,Shenzhen 电话（TEL）：0755-28199597网址（WEB）：www.toxutech.com 6.2 性能报告 (Performancereport) 6.2.1 电压驻波比（ VSWR ）： 深圳市同讯精密技术有限公司 ShenzhenTongxunPrecisionTechnologyCo.,Ltd 地址：深圳市龙华区福城街道茜坑社区茜坑路52号 ADDRESS:5thfloor,No.52,XikengRoad,Xikengcommunity,Fuchengstreet,LonghuaDistrict,Shenzhen 电话（TEL）：0755-28199597网址（WEB）：www.toxutech.com 6.2.2 效率 @ 增益（ EfficiencyandGain ）： Frequency/MhzMaxGain/dBiEfficiency/%Frequency/MhzMaxGain/dBiEfficiency/% 2400 0.845.02 5330 2.9256.23 2410 1.0145.55 5360 3.2360.12 2420 0.9846.83 5390 2.8357.15 2430 1.2945.27 5420 358.21 2440 0.8845.02 5450 360.53 2450 0.5446.36 5480 3.0658.75 2460 0.5647.95 5510 3.4663.53 2470 0.2445.39 5540 3.5363.83 2480 0.6346.77 5570 3.361.8 2490 0.4550.93 5600 3.0859.84 2500 0.4951.05 5630 3.4264.12 5660 3.3561.52 5150 2.3352.48 5690 2.8258.75 5180 2.6455.85 5720 3.0461.66 5210 2.6754.83 5750 3.261.8 5240 2.6854.33 5780 2.9860.39 5270 2.5152.36 5810 2.9959.29 5300 2.7254.45 5840 3.5261.94 深圳市同讯精密技术有限公司 ShenzhenTongxunPrecisionTechnologyCo.,Ltd 地址：深圳市龙华区福城街道茜坑社区茜坑路52号 ADDRESS:5thfloor,No.52,XikengRoad,Xikengcommunity,Fuchengstreet,LonghuaDistrict,Shenzhen 电话（TEL）：0755-28199597网址（WEB）：www.toxutech.com 6.2.33D@2D 辐射方向（ 3D&2DRadiationPattern ）： 测试人（ Testedby ） DEWEN-LI 电话（ Contactphonenumber ） 0755-28199597 日期（date）2024.05.12 深圳市同讯精密技术有限公司 ShenzhenTongxunPrecisionTechnologyCo.,Ltd 地址：深圳市龙华区福城街道茜坑社区茜坑路52号 ADDRESS:5thfloor,No.52,XikengRoad,Xikengcommunity,Fuchengstreet,LonghuaDistrict,Shenzhen 电话（TEL）：0755-28199597网址（WEB）：www.toxutech.com 7. 成品图（ CustomerDrawing ） 深圳市同讯精密技术有限公司 ShenzhenTongxunPrecisionTechnologyCo.,Ltd 地址：深圳市龙华区福城街道茜坑社区茜坑路52号 ADDRESS:5thfloor,No.52,XikengRoad,Xikengcommunity,Fuchengstreet,LonghuaDistrict,Shenzhen 电话（TEL）：0755-28199597网址（WEB）：www.toxutech.com 8. 包装方式（ Packaging ）： Productnumber：xxxxx Productmodel：xxxxx 一、Labelrequirements： Customerxxx supplierxxxxx Materialcodingxx Productmodelxx NumberXXXPCSFactorydateXXX Remarks 二、Boxing： Jobdescription： 1.Innerpackaging： XXpcsAbag 2.Externalpackaging： XxPCS； 3.Mattersneedingattention： a．Whethertoaddpartitionandpearlcotton； b．Labelattachments,suchasROHS,etc.；

FCCID:2ASC7DS500BTPage 1 of 5 ReportNo.:CTL2507222072-WF ExternalPhotosofEUT FCCID:2ASC7DS500BTPage 2 of 5 ReportNo.:CTL2507222072-WF FCCID:2ASC7DS500BTPage 3 of 5 ReportNo.:CTL2507222072-WF FCCID:2ASC7DS500BTPage 4 of 5 ReportNo.:CTL2507222072-WF FCCID:2ASC7DS500BTPage 5 of 5 ReportNo.:CTL2507222072-WF

FCCID:2ASC7DS500BTPage 1 of 1 ReportNo.:CTL2507222072-WF FCCIDLabelInformation Labellocation: ProductName:CarDiagnosticTool Model:DS500BT FCCID:2ASC7DS500BT

FCCID:2ASC7DS500BTPage 1 of 6 ReportNo.:CTL2507222072-WF InternalPhotosofEUT BT/Wi-FiAntenna FCCID:2ASC7DS500BTPage 2 of 6 ReportNo.:CTL2507222072-WF FCCID:2ASC7DS500BTPage 3 of 6 ReportNo.:CTL2507222072-WF FCCID:2ASC7DS500BTPage 4 of 6 ReportNo.:CTL2507222072-WF

FCCID:2ASC7DS500BTPage 5 of 6 ReportNo.:CTL2507222072-WF FCCID:2ASC7DS500BTPage 6 of 6 ReportNo.:CTL2507222072-WF

ShenzhenCTLTestingTechnologyCo.,Ltd. Tel:+86-755-89486194E-Mail:[email protected] RFExposureevaluation ReportReferenceNo. .................... :CTL2507222072-WFH Compiledby: (position+printedname+signature) HappyGuo (Fileadministrators) Testedby: (position+printedname+signature) JackWang (TestEngineer) Approvedby: (position+printedname+signature) IvanXie (Manager) ProductName.................................: CarDiagnosticTool Model/Typereference .................... :DS500BT ListModel(s) .................................... : DS510BT,DS520BT,DS530BT,DS540BT,DS550BT,DS560 BT,DS570BT,DS580BT,DS590BT TradeMark ....................................... : ANCEL FCCID...............................................: 2ASC7DS500BT Applicant’sname ........................... : OBDSPACETECHNOLOGYCO,.LTD Addressofapplicant ..................... : RoomD03,BuildingA,No.973,MinZhiAvenueLongHuadistrict, ShenzhenCity,China TestFirm...........................................: ShenzhenCTLTestingTechnologyCo.,Ltd. AddressofTestFirm.....................: Floor1-A,BaishaTechnologyPark,No.3011,ShahexiRoad, NanshanDistrict,Shenzhen,China518055 Testspecification...........................: Standard............................................: 47CFR§1.1310 47CFR§2.1093 KDB447498D01GeneralRFExposureGuidancev06 TRFOriginator..................................: ShenzhenCTLTestingTechnologyCo.,Ltd. MasterTRF ....................................... :Dated2017-01 Dateofreceiptoftestitem .......... : July24,2025 DateofTest....................................: July27,2025-October14,2025 DateofIssue .................................... : October16,2025 Result................................................: Pass ShenzhenCTLTestingTechnologyCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenCTLTestingTechnologyCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenCTLTestingTechnologyCo.,Ltd.takesnoresponsibilityforandwillnotassume liabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. V1.0Page2of13ReportNo.:CTL2507222072-WFH TESTREPORT TestReportNo.:CTL2507222072-WFH October16,2025 Dateofissue ProductName: CarDiagnosticTool SampleNo:CTL250722207013 Model/Type: DS500BT ListedModels : DS510BT,DS520BT,DS530BT,DS540BT,DS550BT, DS560BT,DS570BT,DS580BT,DS590BT Applicant: OBDSPACETECHNOLOGYCO,.LTD Address : RoomD03,BuildingA,No.973,MinZhiAvenueLongHua district,ShenzhenCity,China Manufacturer: OBDSPACETECHNOLOGYCO,.LTD Address : RoomD03,BuildingA,No.973,MinZhiAvenueLongHua district,ShenzhenCity,China Thetestresultspresentedinthisreportrelateonlytotheobjecttested. Thisreportshallnotbereproduced,exceptinfull,withoutthewrittenapprovaloftheissuingtesting laboratory. V1.0Page3of13ReportNo.:CTL2507222072-WFH **ModifiedHistory** RevisionDescriptionIssuedDataReportNo.Remark Version1.0InitialTestReportReleaseOctober16,2025CTL2507222072-WFHTracyQi V1.0Page4of13ReportNo.:CTL2507222072-WFH Contents 1GENERALINFORMATION..................................................................................................................................................5 1.1ENVIRONMENTALCONDITIONS................................................................................................................................................5 1.2PRODUCTDESCRIPTION.........................................................................................................................................................5 1.3TESTFACILITY.......................................................................................................................................................................7 1.4STATEMENTOFTHEMEASUREMENTUNCERTAINTY......................................................................................................................7 2METHODOFMEASUREMENT...........................................................................................................................................8 2.1APPLICABLESTANDARD..........................................................................................................................................................8 2.2EVALUATIONMETHODANDLIMIT...........................................................................................................................................8 3CONDUCTEDPOWERRESULTS.........................................................................................................................................9 4MANUFACTURINGTOLERANCE......................................................................................................................................11 5EVALUATIONRESULTS.....................................................................................................................................................13 5.1STANDALONEEVALUATION....................................................................................................................................................13 6CONCLUSION..................................................................................................................................................................13 V1.0Page5of13ReportNo.:CTL2507222072-WFH 1GENERALINFORMATION 1.1Environmentalconditions Duringthemeasurementtheenvironmentalconditionswerewithinthelistedranges: NormalTemperature:25°C-35°C RelativeHumidity:35%-55% AirPressure:101KPa 1.2ProductDescription ProductName: CarDiagnosticTool Model/Typereference:DS500BT Powersupply: Poweredbya3.8VDCbattery Type-CInput:DC5V/2.5A TestVoltage: Poweredbya3.8VDCbattery Type-CInput:DC5V/2.5A Adapterinformation Model:FJ-SW1260502500UN Input:100-240V~50/60Hz0.4AMax Output:5.0V2.5A,12.5W Bluetooth: Version:SupportedBR/EDR Modulation:GFSK,π/4DQPSK,8DPSK Operationfrequency:2402MHz~2480MHz Channelnumber:79 Channelseparation:1MHz Antennatype:FPCAntenna Antennagain: 1.29dBi BluetoothLowEnergy Supportedtype:BluetoothLowEnergy Mo…

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ShenzhenCTLTestingTechnologyCo.,Ltd. Tel:+86-755-89486194E-mail:[email protected] TESTREPORT 47CFRPart15,SubpartC15.247 ReportReferenceNo.:CTL2507222072-WF01 Compiledby: (position+printedname+signature) HappyGuo (Fileadministrators) Testedby: (position+printedname+signature) JackWang (TestEngineer) Approvedby: (position+printedname+signature) IvanXie (Manager) ProductName.................................: CarDiagnosticTool Model/Typereference....................:DS500BT ListModel(s) .................................... : DS510BT,DS520BT,DS530BT,DS540BT,DS550BT,DS560 BT,DS570BT,DS580BT,DS590BT TradeMark.......................................: ANCEL FCCID ............................................... : 2ASC7DS500BT Applicant’sname...........................: OBDSPACETECHNOLOGYCO,.LTD Addressofapplicant.....................: RoomD03,BuildingA,No.973,MinZhiAvenueLongHuadistrict, ShenzhenCity,China TestFirm...........................................: ShenzhenCTLTestingTechnologyCo.,Ltd. AddressofTestFirm ..................... : Floor1-A,BaishaTechnologyPark,No.3011,ShahexiRoad, NanshanDistrict,Shenzhen,China518055 Testspecification...........................: Standard............................................:47CFRPart15,SubpartC15.247:Operationwithinthebands 902-928MHz,2400-2483.5MHzand5725-5850MHz. TRFOriginator..................................: ShenzhenCTLTestingTechnologyCo.,Ltd. MasterTRF.......................................:Dated2011-01 Dateofreceiptoftestitem .......... : July24,2025 DateofTestDate............................: July27,2025-October14,2025 DateofIssue .................................... : October16,2025 Result................................................: Pass ShenzhenCTLTestingTechnologyCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenCTLTestingTechnologyCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenCTLTestingTechnologyCo.,Ltd.takesnoresponsibilityforandwillnotassume liabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. V1.0Page2of43ReportNo.:CTL2507222072-WF01 TESTREPORT TestReportNo.:CTL2507222072-WF01 October16,2025 Dateofissue EquipmentunderTest:CarDiagnosticTool SampleNo:CTL250722207013 Model/Type:DS500BT ListedModels :DS510BT,DS520BT,DS530BT,DS540BT,DS550 BT,DS560BT,DS570BT,DS580BT,DS590BT Applicant:OBDSPACETECHNOLOGYCO,.LTD Address: RoomD03,BuildingA,No.973,MinZhiAvenue LongHuadistrict,ShenzhenCity,China Manufacturer:OBDSPACETECHNOLOGYCO,.LTD Address: RoomD03,BuildingA,No.973,MinZhiAvenue LongHuadistrict,ShenzhenCity,China TestresultPass* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedpage5. Thetestresultspresentedinthisreportrelateonlytotheobjecttested. Thisreportshallnotbereproduced,exceptinfull,withoutthewrittenapprovaloftheissuingtesting laboratory. V1.0Page3of43ReportNo.:CTL2507222072-WF01 **ModifiedHistory** RevisionsDescriptionIssuedDataReportNo.Remark Version1.0InitialTestReportReleaseOctober16,2025CTL2507222072-WF01TracyQi V1.0Page4of43ReportNo.:CTL2507222072-WF01 TableofContentsPage 1.SUMMARY.......................................................................................................................................................................5 1.1.TESTSTANDARDS............................................................................................................................................................5 1.2.TESTDESCRIPTION...............................................................................................................................................................5 1.3.TESTFACILITY.....................................................................................................................................................................6 1.4.STATEMENTOFTHEMEASUREMENTUNCERTAINTY.....................................................................................................................6 2.GENERALINFORMATION.................................................................................................................................................8 2.1.ENVIRONMENTALCONDITIONS...............................................................................................................................................8 2.2.GENERALDESCRIPTIONOFEUT.............................................................................................................................................8 2.3.DESCRIPTIONOFTESTMODESANDTESTFREQUENCY................................................................................................................9 2.4.EQUIPMENTSUSEDDURINGTHETEST...................................................................................................................................10 2.5.RELATEDSUBMITTAL(S)/GRANT(S)....................................................................................................................................10 2.6.MODIFICATIONS................................................................................................................................................................10 3.TESTCONDITIONSANDRESULTS...................................................................................................................................11 3.1.CONDUCTEDEMISSIONSTEST..............................................................................................................................................11 3.2.RADIATEDEMISSIONSANDBANDEDGE.................................................................................................................................14 3.3.MAXIMUMPEAKOUTPUTPOWER.......................................................................................................................................24 3.4.20DBBANDWIDTH...............................................................................................................................…

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ShenzhenCTLTestingTechnologyCo.,Ltd. Floor1-A,BaishaTechnologyPark,No.3011,ShahexiRoad,NanshanDistrict,Shenzhen,China518055 Tel:+86-755-89486194E-mail:[email protected] AnnexforBluetooth TestReportNo.:CTL2507222072-WF01 TABLEOFCONTENTS AnnexforBluetooth.....................................................................................................................................1 1.Bandwidth................................................................................................................................................2 2.MaximumConductedOutputPower.....................................................................................................13 3.CarrierFrequencySeparation..............................................................................................................19 4.NumberofHoppingFrequencies..........................................................................................................22 5.TimeofOccupancy(DwellTime)..........................................................................................................25 6.UnwantedEmissionsInNon-restrictedFrequencyBands...................................................................35 AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page2/51 1.Bandwidth 1.1TestResult 1.1.1OBW Mode TX Type Frequency (MHz) Packet Type ANT 99%OccupiedBandwidth(MHz) Verdict ResultLimit GFSKSISO 2402DH510.859/Pass 2441DH510.860/Pass 2480DH510.862/Pass Pi/4DQPSKSISO 24022DH511.171/Pass 24412DH511.170/Pass 24802DH511.171/Pass 8DPSKSISO 24023DH511.182/Pass 24413DH511.182/Pass 24803DH511.179/Pass 1.1.220dBBW Mode TX Type Frequency (MHz) Packet Type ANT 20dBBandwidth(MHz) Verdict ResultLimit GFSKSISO 2402DH510.953/Pass 2441DH510.958/Pass 2480DH510.955/Pass Pi/4DQPSKSISO 24022DH511.284/Pass 24412DH511.282/Pass 24802DH511.314/Pass 8DPSKSISO 24023DH511.303/Pass 24413DH511.302/Pass 24803DH511.308/Pass AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page3/51 1.2TestGraph 1.2.1OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page4/51 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page5/51 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page6/51 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page7/51 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page8/51 1.2.220dBBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page9/51 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page10/51 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page11/51 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page12/51 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page13/51 2.MaximumConductedOutputPower 2.1TestResult 2.1.1Power Mode TX Type Frequency (MHz) Packet Type MaximumPeakConductedOutputPower(dBm) Verdict ANT1Limit GFSKSISO 2402DH5-2.73<=30Pass 2441DH5-1.22<=30Pass 2480DH5-1.69<=30Pass Pi/4DQPSKSISO 24022DH5-1.89<=20.97Pass 24412DH5-0.29<=20.97Pass 24802DH5-0.79<=20.97Pass 8DPSKSISO 24023DH5-1.09<=20.97Pass 24413DH50.08<=20.97Pass 24803DH5-0.39<=20.97Pass Note1:AntennaGain:Ant1:1.29dBi; AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page14/51 2.2TestGraph 2.2.1Power GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page15/51 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page16/51 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page17/51 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page18/51 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page19/51 3.CarrierFrequencySeparation 3.1TestResult 3.1.1Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type ChannelSeparation (MHz) 20dBBandwidth (MHz) Limit (MHz) Verdict GFSKSISOHOPPDH51.0140.958>=0.958Pass Pi/4DQPSKSISOHOPP2DH51.0081.314>=0.876Pass 8DPSKSISOHOPP3DH50.9941.308>=0.872Pass AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page20/51 3.2TestGraph 3.2.1Ant1 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page21/51 8DPSK_3DH5_HOPP_Ant1_NTNV AnnexforBluetoothTestReportNo.:CTL2507222072-WF01 FCCID:2ASC7DS500BT Page22/51 4.NumberofHoppingFrequencies 4.1TestResult 4.1.1HoppNum Mode TX Type Frequency (MHz) Packet Type NumofH…

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