2BLA4-HX-901Carplay

{Shnzhenshihuanxinkejiyouxiangongsi} {Room1515,Haianshidaigongyu East,Shennandadao12069,Honghuayuanshequ,Nantou Street,NanShan,ShenZhen} FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 {2024-09-24} U.S.AgentDesignation Shenzhenshihuanxinkejiyouxiangongsiacknowledgestheirconsentforthefollowingcontactlocatedinthe UnitedStatestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationissought(FCC ID:2BLA4-HX-901): NameandcompanyofU.S.agent:FCCUSAgent,LLC PhysicalU.S.addressofagent:3722IllinoisAvenue,SaintCharles,IL,60174,USA FRNofU.S.agent:0033402884 EmailaddressofU.S.agent:[email protected] FCCUSAgent,LLCacknowledgestheirobligationtoacceptserviceofprocessonbehalfof Shenzhenshihuanxinkejiyouxiangongsi. ShenzhenshihuanxinkejiyouxiangongsiwiththeFRN[0035987312]acceptsitsobligationtomaintainanagent forserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofany Commission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheverislater. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotify theFCCwithin30daysviathegrantingTCB. Sincerely, Signature XuLi Manager Shenzhenshihuanxinkejiyouxiangongsi Signature TimPavne Manager FCCUSAgent,LLC 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 5

Page1 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. ExternalPhoto s Photo1 Photo2 Page2 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 Page4 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 Photo8 Page5 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo9 Photo10 Page6 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo11 ------End------

Label FCCID:2BLA4-HX-901

Page1 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. InternalPhoto s Photo1 Photo2 Page2 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 WIFI Antenna Page4 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 Photo8 Page5 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo9 Photo10 BT Antenna Page6 of 6FCC ID: 2BLA4-HX-901 DongguanYaxu (AiT) TechnologyLimited No.22,Jinqianling3rd Street,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo11 Photo12 ------End------

RFExposureevaluation FCCID:2BLA4-HX-901 Exposurecategory:Generalpopulation/uncontrolledenvironment EUTType:ProductionUnit DeviceType:MobileDevice 1.Reference Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbe operatedinamannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergy levelinexcessoftheCommission’sguidelines. Accordingto§1.1310and§2.1091RFexposureiscalculated. KDB447498D01:MobileandPortableDevicesRFExposureProceduresandEquipment AuthorizationPolicies 2.Limit LimitsforMaximumPermissibleExposure(MPE)/ControlledExposure Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) PowerDensity (mW/cm²) AveragingTime (minute) LimitsforOccupational/ControlledExposure 0.3–3.0 3.0–30 30–300 300–1500 1500–100,000 614 1842/f 61.4 / / 1.63 4.89/f 0.163 / / (100)* (900/f 2 )* 1.0 f/300 5 6 6 6 6 6 LimitsforMaximumPermissibleExposure(MPE)/UncontrolledExposure Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) PowerDensity (mW/cm²) AveragingTime (minute) LimitsforOccupational/ControlledExposure 0.3–3.0 3.0–30 30–300 300–1500 1500–100,000 614 824/f 27.5 / / 1.63 2.19/f 0.073 / / (100)* (180/f 2 )* 0.2 f/1500 1.0 30 30 30 30 30 F=frequencyinMHz *=Plane-waveequivalentpowerdensity 3.MPECalculationMethod PredicationofMPElimitatagivendistance Equationfrompage18ofOETBulletin65,Edition97-01 S=PG/4πR² Where:S=powerdensity P=powerinputtoantenna G=powergainoftheantennainthedirectionofinterestrelativetoanisotropicradiator R=distancetothecenterofradiationoftheantenna 4.AntennaInformation EUTcanonlyuseantennascertificatedasfollowsprovidedbymanufacturer; Antenna ModelNo. ofantenna: Typeofantenna:Gainoftheantenna(Max.)Frequencyrange: BT/PCBAntennaAntenna:-0.58dBiFor2.4G WIFI/FPCAntennaAntenna:4.2dBiFor2.4G FM/SpringAntennaAntenna:0dBifor100-108MHz; 5.ManufacturingTolerance BR_EDR(Conducted) Frequency (MHz) BR_EDR_GFSK 240224412480 Target(dBm)1.01.01.0 Tolerance ± (dB) 1.01.01.0 Frequency (MHz) BR_EDR_π/4-DQPSK 240224412480 Target(dBm)2.02.02.0 Tolerance±(dB)1.01.01.0 Frequency (MHz) BR_EDR_8-DPSK 240224412480 Target(dBm)2.02.02.0 Tolerance±(dB)1.01.01.0 2.4GWIFI Frequency (MHz) 11B 241224372462 Target(dBm)12.012.012.0 Tolerance ± (dB) 1.01.01.0 Frequency (MHz) 11G 241224372462 Target(dBm)12.012.012.0 Tolerance±(dB)1.01.01.0 Frequency (MHz) 11N20 241224372462 Target(dBm)12.012.012.0 Tolerance±(dB)1.01.01.0 Frequency (MHz) 11N40 242224372452 Target(dBm)12.012.012.0 Tolerance ± (dB) 1.01.01.0 6.StandaloneMPEResult AsdeclaredbytheApplicant,theEUTisawirelessdeviceusedinafixapplication,atleast 20cmfromanybodypartoftheuserornearbypersons;fromthemaximumEUTRFoutput power,theminimumseparationdistance,r=20cm,aswellasthegainoftheusedantennais refertosection4,theRFpowerdensitycanbeobtained. ModulationType OutputpowerAntenna Gain (dBi) Antenna Gain (linear) MPE (mW/cm 2 ) MPE Limits (mW/cm 2 ) dBmmW BR_EDR3.01.995-0.580.8750.000351.0000 2.4GWIFI13.019.9534.22.630.010441.0000 FM-31.00.000130.001.0000.000000.2 Accordingtothefollowtransmitteroutputpower （ P t ） formula ： P t = （ Exd ） 2 / （ 30xg t ） P t =transmitteroutputpowerinwatts g t =numericgainofthetransmittingantenna(unitess) E=electricfieldstrengthinV/m d=measurementdistanceinmeters(m) Accordingtotheformuladescribedabove: Emax=63.60dBuv/m=0.001V/m,d=3m,g t =1.0 P t =（Exd） 2 /（30xg t ）=(0.001x3) 2 /(30x1.0)=0.0006mW=-31.62dBm Remark: 1.Outputpower(Peak)includingturn-uptolerance; 2.MPEevaluatedistanceis20cmfromusermanualprovidebymanufacturer. 3.Simultaneoustransmission=0.00035+0.01044+0.00000=0.01079mW/cm 2 < 1.0000mW/cm 2 7.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1091fortheuncontrolled RFExposureofmobiledevice. ----------------THEENDOFREPORT---------------

Page1of37ReportNo.:AiTDG-240909028W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TESTREPORT ClientInformation: Applicant:Shenzhenshihuanxinkejiyouxiangongsi Applicantadd.: Room1515,Haianshidaigongyu East,Shennandadao12069,Honghuayuanshequ,Nantou Street,NanShan,ShenZhen,China Manufacturer:Shenzhenshihuanxinkejiyouxiangongsi Manufactureradd.: Room1515,Haianshidaigongyu East,Shennandadao12069,Honghuayuanshequ,Nantou Street,NanShan,ShenZhen,China ProductInformation: ProductName:Carplay ModelNo.:HX-901,HX-902C,HX-901D,HX-701,HX-701C,HX-701D,HX-808,HX-1026 BrandName:HXDOTECFIN FCCID: 2BLA4-HX-901 Applicablestandards: FCCCFRTitle47Part15SubpartCSection15.247 PreparedBy: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan, Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 DateofReceipt:Sep.09,2024DateofTest:Sep.09,2024~Sep.20,2024 DateofIssue:Sep.21,2024TestResult:Pass ThisdevicedescribedabovehasbeentestedbyDongguanYaxu(AiT)TechnologyLimitedandthetest resultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguan Yaxu(AiT)TechnologyLimited,thisdocumentmaybealteredorrevisedbyDongguanYaxu(AiT) TechnologyLimited,personalonly,andshallbenotedintherevisionofthedocument.Thistest reportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: EmiyaLinSimbaHuang Page2of37ReportNo.:AiTDG-240909028W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 1Contents Page COVERPAGE 1CONTENTS......................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................4 2.1StatementoftheMeasurementUncertainty................................................................................4 2.2MeasurementUncertainty............................................................................................................4 3TESTFACILITY..............................................................................................................................................................5 3.1Deviationfromstandard...............................................................................................................5 3.2Abnormalitiesfromstandardconditions.......................................................................................5 3.3TestLocation.................................................................................................................................5 4GENERALINFORMATION...........................................................................................................................................6 4.1Testfrequencies............................................................................................................................7 4.2EUTPeripheralList.......................................................................................................................8 4.3TestPeripheralList.......................................................................................................................8 4.4TESTMETHODOLOGY...............................................................................................................9 4.5DescriptionofTestModes..........................................................................................................10 5EQUIPMENTUSEDDURINGTEST.........................................................................................................................11 6TESTRESULTSANDMEASUREMENTDATA.....................................................................................................13 6.1Antennarequirement..................................................................................................................13 6.2PeakPowerMeasurement.........................................................................................................14 6.3FrequencySeparationand20dBBandwidth............................................................................16 6.4NumberofHoppingFrequency..................................................................................................18 6.5TimeofOccupancy(DwellTime)...............................................................................................19 6.6ConductedSpuriousEmissionsandBandEdgesTest.............................................................21 6.7Restrict-bandBand-edgeMeasurements..................................................................................23 6.8RadiatedEmissionsMeasurement............................................................................................25 6.9ConductedEmissions.................................................................................................................35 6.10Pseudorandomfrequencyhoppingsequence...........................................................................36 7TESTSETUPPHOTOGRAPHSOFEUT.................................................................................................................37 8EXTERNALPHOTOGRAPHSOFEUT....................................................................................................................37 9INTERNALPHOTOGRAPHSOFEUT.....................................................................................................................37 Page3of37ReportNo.:AiTDG-240909028W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. REPORTREVISERECORD Report Version ReviseTimeIssuedDateValidVersionNotes V1.0/ Sep.21,2024 ValidInitialrelease Page4of37Repo…

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DongguanYaxu(AiT)TechnologyLimited ReportNo.: AiTDG-240909028W1 FCC ID : 2BLA4-HX-901 Page 1 of 61 AppendixA RF Test Data for BT(BDR/EDR)(ConductedMeasurement) ProductName:Carplay TradeMark:HXDOTECFIN Test Model:HX-901 EnvironmentalConditions Temperature: 25.3°C RelativeHumidity:52.2 % ATM Pressure:101Kpa Test Engineer:Emiyalin Supervisedby:SimbaHaung DongguanYaxu(AiT)TechnologyLimited ReportNo.: AiTDG-240909028W1 FCC ID : 2BLA4-HX-901 Page 2 of 61 Contents Page COVERPAGE 1Duty Cycle........................................................................................................................................................................................3 1.1Test Result............................................................................................................................................................................3 1.2Test Graphs...........................................................................................................................................................................4 2MaximumConductedPeakOutputPower........................................................................................................................................9 2.1Test Result............................................................................................................................................................................9 2.2Test Graphs.........................................................................................................................................................................10 320dBBandwidth..............................................................................................................................................................................15 3.1Test Result..........................................................................................................................................................................15 3.2Test Graphs.........................................................................................................................................................................16 4CarrierFrequencySeparation.........................................................................................................................................................21 4.1Test Result..........................................................................................................................................................................21 4.2Test Graphs.........................................................................................................................................................................22 5HoppingChannelNumber...............................................................................................................................................................24 5.1Test Result..........................................................................................................................................................................24 5.2Test Graphs.........................................................................................................................................................................25 6DwellTime ......................................................................................................................................................................................27 6.1Test Result..........................................................................................................................................................................27 6.2Test Graphs.........................................................................................................................................................................28 7RF ConductedSpuriousEmissions.................................................................................................................................................31 7.1Test Result..........................................................................................................................................................................31 7.2Test Graphs.........................................................................................................................................................................32 8Band-edgefor RF ConductedEmissions........................................................................................................................................41 8.1Test Result..........................................................................................................................................................................41 8.2Test Graphs.........................................................................................................................................................................42 9Restrict-bandband-edgemeasurements........................................................................................................................................54 9.1Test Result..........................................................................................................................................................................54 9.2Test Graphs.........................................................................................................................................................................56 DongguanYaxu(AiT)TechnologyLimited ReportNo.: AiTDG-240909028W1 FCC ID : 2BLA4-HX-901 Page 3 of 61 1 Duty Cycle 1.1Test Result ModeFrequency(MHz)Duty Cycle(%)Correction Factor 1/T (kHz) 1-DH1240231.55.022.63 1-DH1244131.25.062.63 1-DH1248031.215.062.63 2-DH12402324.952.56 2-DH12441324.952.56 2-DH1248032.014.952.56 3-DH1240232.014.952.56 3-DH1244132.014.952.56 3-DH12480324.952.56 DongguanYaxu(AiT)TechnologyLimited ReportNo.: AiTDG-240909028W1 FCC ID : 2BLA4-HX-901 Page 4 of 61 1.2Test Graphs Test Graphs 1-DH12402…

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ANTENNASPECIFICATION Summary ITEMANTSPEC ModelName2.4GANT AntennaplatePCBantenna Center Frequency 2400MHz2450MHz2500MHz -0.83-0.58-2.08 MAX.Gain-0.58dBi PolarizationHorizontalandVertical Impedance50Ohm Manufacture AntennaPhoto&Length(mm) Length11mmandWidth5mm Frequency （MHz） Gain(dBi) HorizontalVertical Max.MinMax.Min 2400-0.83-37.86-1.11-33.99 2450-1.25-43.09-0.58-29.88 2500-2.72-44.76-2.08-39.32

Page1of1 FCCID:2BLA4-HX-901 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TestSetupPhoto RadiatedEmission ------End------