2A7EH-E3Element 3 Voice-Controlled Dash Cam

Element 3 Voice-Controlled Dash Cam E3

Ù The device for operation in the band 5150–5250 MHz is only for indoor use to reduce thepotential for harmful interference to co-channel mobile satellite systems.L'appareil destiné à fonctionner dans la bande 5150-5250 MHz est uniquement destiné à une utilisation en intérieur afin de réduire le potentiel d'interférences nuisibles auxsystèmes mobiles par satellite cocanaux.

FCC ID: 2A7EH-E3

VANTRUE Description：Element 3 Voice -Controlled Dash Cam Model: E3 Input：5V2.4A FCC ID: 2A7EH-E3 IC :28650-E3 Label location

FCC ID: 2A7EH-E3 BT&WIFI Antenna

RFExposureevaluation FCCID:2A7EH-E3 1.Reference Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissection shallbeoperatedinamannerthatensuresthatthepublicisnotexposedtoradio frequencyenergylevelinexcessoftheCommission’sguidelines. Accordingto§1.1310and§2.1091RFexposureiscalculated. KDB447498D01:MobileandPortableDevicesRFExposureProceduresand EquipmentAuthorizationPolicies 2.Limit LimitsforMaximumPermissibleExposure(MPE)/ControlledExposure Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) PowerDensity (mW/cm²) Averaging Time (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) Averaging Time (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=powergainoftheantennainthedirectionofinterestrelativetoanisotropic radiator R=distancetothecenterofradiationoftheantenna 4.AntennaInformation E3canonlyuseantennascertificatedasfollowsprovidedbymanufacturer; AntennaNo. ModelNo. ofantenna: Typeofantenna: Gainoftheantenna (Max.) Frequencyrange: BT&2.4GWIFI/FPCANT2.31dBifor2400-2500MHz 5GWIFI/FPCANT 2.61dBifor5150-5250MHz 2.48dBifor5725-5875MHz 5.ManufacturingTolerance GFSK(Peak) ChannelChannel00Channel19Channel39 Target(dBm)7.07.07.0 Tolerance±(dB)1.01.01.0 2.4GHzWIFI(Peak) Frequency (MHz) 11b 241224372462 Target(dBm)15.015.015.0 Tolerance±(dB)1.01.01.0 Frequency (MHz) 11g 241224372462 Target(dBm)14.014.014.0 Tolerance±(dB)1.01.01.0 Frequency (MHz) 11n(HT20) 241224372462 Target(dBm)14.014.014.0 Tolerance±(dB)1.01.01.0 5GHzWLANBand1 IEEE802.11a(Average) Frequency(MHz)518052005240 Target(dBm)15.015.015.0 Tolerance±(dB)1.01.01.0 IEEE802.11nHT20(Average) Frequency(MHz)518052005240 Target(dBm)15.015.015.0 Tolerance±(dB)1.01.01.0 IEEE802.11nHT40(Average) Frequency(MHz)51905230 Target(dBm)13.013.0 Tolerance±(dB)1.01.0 IEEE802.11acVHT20(Average) Frequency(MHz)518052005240 Target(dBm)14.014.014.0 Tolerance±(dB)1.01.01.0 IEEE802.11acVHT40(Average) Frequency(MHz)51905230 Target(dBm)13.013.0 Tolerance±(dB)1.01.0 IEEE802.11acVHT80(Average) Frequency(MHz)5210 Target(dBm)11.0 Tolerance±(dB)1.0 5GHzWLANBand3 IEEE802.11a(Average) Frequency(MHz)518052005240 Target(dBm)12.012.012.0 Tolerance±(dB)1.01.01.0 IEEE802.11nHT20(Average) Frequency(MHz)574557855825 Target(dBm)11.011.011.0 Tolerance±(dB)1.01.01.0 IEEE802.11nHT40(Average) Frequency(MHz)57555795 Target(dBm)10.010.0 Tolerance±(dB)1.01.0 IEEE802.11acVHT20(Average) Frequency(MHz)574557855825 Target(dBm)11.011.011.0 Tolerance±(dB)1.01.01.0 IEEE802.11acVHT40(Average) Frequency(MHz)57555795 Target(dBm)9.09.0 Tolerance±(dB)1.01.0 IEEE802.11acVHT80(Average) Frequency(MHz)5775 Target(dBm)8.0 Tolerance±(dB)1.0 6.StandaloneMPEResult AsdeclaredbytheApplicant,theEUTisawirelessdeviceusedinafixapplication,at least20cmfromanybodypartoftheuserornearbypersons;fromthemaximumEUT RFoutputpower,theminimumseparationdistance,r=20cm,aswellasthegainofthe usedantennarefertoantennainformation,theRFpowerdensitycanbeobtained. ModulationType OutputpowerAntenna Gain (dBi) Antenna Gain (linear) MPE (mW/cm 2 ) MPE Limits (mW/cm 2 ) dBmmW BT 8.06.30962.311.70220.00211.0000 2.4GWIFI16.039.81072.311.70220.01351.0000 5GWIFI16.039.81072.611.82390.01441.0000 Remark: 1.Outputpower(Peak)includingturn-uptolerance; 2.MPEevaluatedistanceis20cmfromusermanualprovidebymanufacturer. 7.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1091forthe uncontrolledRFExposureofmobiledevice. ----------------THEENDOFREPORT---------------

DongguananteCommunicationCo.,Ltd Antennatestreport Customers ShenzhenSanjiang Lechuang TechnologyCo.,Ltd. Project E1DUO Frequency band 2.4G-5.8GVersion Antenna engineer WuHuiqinDate2022-06-23 1.TestEquipment VectorNetwork Analyzer AgilentE5071B Darkroom OTA-500 Tester LiuYunhai RFCONNECT GND GND GND E5 E1 E3 E4 ANT E2 2.Matchingcircuit Thematchhasn'tchanged. E1 Vacant space E20ohm E3Vacant space E40ohm E5Vacant space 3.Positionofantenna 4.R-LOSS,VSWR, 5. Passivetest data Frequency2.4GHz2.41GHz2.42GHz2.43GHz2.44GHz2.45GHz2.46GHz2.47GHz2.48GHz2.49GHz2.5GHz Efficiency(%)41.5741.7442.1641.4543.5740.6142.7441.6339.9743.6840.07 Gain(dBi)2.072.232.292.242.292.072.032.312.192.232.11 Frequency 5.15GHz5.2GHz5.25GHz5.3GHz5.35GHz5.4GHz5.45GHz5.5GHz5.55GHz5.6GHz5.65GHz Efficiency(%)56.8158.5360.4357.2458.0957.161.6453.1352.2159.1156.81 Gain(dBi)2.582.612.62.782.832.562.662.362.012.662.57 Frequency 5.7GHz5.75GHz5.8GHz5.85GHz Efficiency(%)59.2557.2455.8551.62 Gain(dBi) 2.412.46 2.482.2 6.Activetestdata TESTDATAFORRADIATEDTESTING BANDMODETXRATECHANNELTRPRXRATECHANELTIS 2.4G 11b 11M1 12.73 11M1 -81.27 11M7 13.71 11M7 -82.41 11M13 13.44 11M13 -81.96 11a 6M36 12.18 54M36 -70.85 6M149 12.69 54M149 -70.13 6M157 13.04 54M157 -69.03 7.Directionalpattern(2.45G) Directionalpattern(2.45G) Directionalpattern(5.15G) Directionalpattern(5.15G) Directionalpattern(5.5G) Directionalpattern(5.5G) Directionalpattern(5.85G) Directionalpattern(5.85G) Thankyou！

ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. 101#,BuildingK&BuildingT,TheSecondIndustrialZone,JiazitangCommunity, FenghuangStreet,GuangmingDistrict,Shenzhen,China FCCPART15SUBPARTCTESTREPORT FCCPART15SUBPARTE15.407 ReportReferenceNo. ....................... : FCCID. ................................................ : GRCTR220902022-03 2A7EH-E3 Compiledby (position+printedname+signature)..: TestingEngineerJimmyWang Supervisedby (position+printedname+signature) .. : ProjectEngineerKelleyZhang Approvedby (position+printedname+signature) .. : ManagerSamWang Dateofissue ......................................... :Oct.25,2022 TestingLaboratoryName ................ :ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. Address.................................................: 101#,BuildingK&BuildingT,TheSecondIndustrialZone, JiazitangCommunity,FenghuangStreet,GuangmingDistrict, Shenzhen,China Applicant’sname...............................:ShenzhenSanjiangLechuangTechnologyCo.,Ltd. Address ................................................. : Area401B,4thFloor,BuildingA7,No.416,XuegangNorthRoad, QinghuCommunity,LonghuaStreet,LonghuaDistrict,Shenzhen, Guangdong,China Testspecification..............................: Standard ................................................ :FCCPart15SubpartE15.407 ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerand sourceofthematerial.ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.takesno responsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader'sinterpretationofthe reproducedmaterialduetoitsplacementandcontext. Testitemdescription........................:Element3Voice-ControlledDashCam TradeMark............................................: / Manufacturer ......................................... : ShenzhenSanjiangLechuangTechnologyCo.,Ltd. Model/Typereference ......................... : E3 ListedModels ...................................... : E3PRO,E4 Modulation...........................................:OFDM Frequency..............................................From5180MHz-5240MHz,5745MHz-5825MHz Ratings...................................................:DC5.0Vfromcarcharger Result ..................................................... :PASS ReportNo.:GRCTR220902022-03Page 2 of 38 TESTREPORT EquipmentunderTest:Element3Voice-ControlledDashCam Model/Type:E3 ListedModels:E3PRO,E4 Applicant:ShenzhenSanjiangLechuangTechnologyCo.,Ltd. Address: Area401B,4thFloor,BuildingA7,No.416,XuegangNorth Road,QinghuCommunity,LonghuaStreet,LonghuaDistrict, Shenzhen,Guangdong,China Manufacturer:ShenzhenSanjiangLechuangTechnologyCo.,Ltd. Address : Area401B,4thFloor,BuildingA7,No.416,XuegangNorth Road,QinghuCommunity,LonghuaStreet,LonghuaDistrict, Shenzhen,Guangdong,China TestResult : PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:GRCTR220902022-03Page 3 of 38 Contents 1TESTSTANDARDS..............................................................................................................................4 2SUMMARY.................................................................................................................................................5 2.1GeneralRemarks..........................................................................................................................................5 2.2ProductDescription.....................................................................................................................................5 2.3ShortdescriptionoftheEquipmentunderTest(EUT).............................................................................5 2.4EUToperationmode.....................................................................................................................................6 2.5BlockDiagramofTestSetup.......................................................................................................................6 2.6RelatedSubmittal(s)/Grant(s)...................................................................................................................6 2.7Modifications.................................................................................................................................................6 3TESTENVIRONMENT........................................................................................................................7 3.1Addressofthetestlaboratory....................................................................................................................7 3.2TestFacility...................................................................................................................................................7 3.3Environmentalconditions............................................................................................................................7 3.4TestDescription............................................................................................................................................8 3.5Statementofthemeasurementuncertainty..............................................................................................8 3.6EquipmentsUsedduringtheTest..............................................................................................................9 4TESTCONDITIONSANDRESULTS.......................................................................................10 4.1ACPowerConductedEmission................................................................................................................10 4.2RadiatedEmissions....................................................................................................................................11 4.3MaximumConductedAverageOutputPower...................…

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ReportNo.:GRCTR220902022-03Page 29 of 38 Testplotasfollows: 802.11a802.11n(HT20) CH36CH36 CH40CH40 CH48CH48 ReportNo.:GRCTR220902022-03Page 30 of 38 802.11n(HT40)802.11ac(HT20) CH38CH36 CH46CH40 CH48 ReportNo.:GRCTR220902022-03Page 31 of 38 802.11ac(HT40)802.11ac(HT80) CH38CH42 CH46 ReportNo.:GRCTR220902022-03Page 32 of 38 4.6MinimumEmissionBandwidth(6dBBandwidth) Limit Withinthe5.725-5.85GHzband,theminimum6dBbandwidthofU-NIIdevicesshallbeatleast500kHz. TestProcedure 1.Setresolutionbandwidth(RBW)=100kHz 2.Setthevideobandwidth3xRBW. 3.Detector=Peak. 4.Tracemode=Maxhold. 5.Measurethemaximumwidthoftheemissionthatisconstrainedbythefrequenciesassociatedwiththe twooutermostamplitudepoints(upperandlowerfrequencies)thatareattenuatedby6dBrelativetothe maximumlevelmeasuredinthefundamentalemission. TestConfiguration EUT SPECTRUM ANALYZER TestResults TypeBandsChannel 6dBBandwidth (MHz) Limit (KHz) Result 802.11aU-NII3 14915.67 ≥500KHzPass 15715.67 16515.39 802.11n(HT20)U-NII3 14915.20 15717.48 16517.24 802.11n(HT40)U-NII3 15135.19 15935.20 802.11ac(HT20)U-NII3 14917.53 15716.97 16516.97 802.11ac(HT40)U-NII3 15135.24 15935.69 802.11ac(HT80)U-NII315575.24 ReportNo.:GRCTR220902022-03Page 33 of 38 Testplotasfollows: 802.11a802.11n(HT20) CH149CH149 CH157CH157 CH165CH165 ReportNo.:GRCTR220902022-03Page 34 of 38 802.11n(HT40)802.11ac(HT20) CH151CH149 CH159CH157 CH165 ReportNo.:GRCTR220902022-03Page 35 of 38 802.11ac(HT40)802.11ac(HT80) CH151CH155 CH159 ReportNo.:GRCTR220902022-03Page 36 of 38 4.7FrequencyStability LIMIT ManufacturersofU-NIIdevicesareresponsibleforensuringfrequencystabilitysuchthatanemissionis maintainedwithinthebandofoperationunderallconditionsofnormaloperationasspecifiedintheusers manual. TESTCONFIGURATION TESTPROCEDURE FrequencyStabilityunderTemperatureVariations: TheequipmentundertestwasconnectedtoanexternalACorDCpowersupplyandinputratedvoltage.RF outputwasconnectedtoafrequencycounterorspectrumanalyzerviafeedthroughattenuators.TheEUT wasplacedinsidethetemperaturechamber.SetthespectrumanalyzerRBWlowenoughtoobtainthe desiredfrequencyresolutionandmeasureEUT20°Coperatingfrequencyasreferencefrequency.TurnEUT offandsetthechambertemperatureto-30°C.Afterthetemperaturestabilizedforapproximately30minutes recordedthefrequency.Repeatstepmeasurewith10°Cincreasedperstageuntilthehighesttemperatureof +50°Creached. FrequencyStabilityunderVoltageVariations: Setchambertemperatureto20°C.UseavariableACpowersupply/DCpowersourcetopowertheEUTand setthevoltagetoratedvoltage.SetthespectrumanalyzerRBWlowenoughtoobtainthedesiredfrequency resolutionandrecordedthefrequency. Reducetheinputvoltagetospecifyextremevoltagevariation(±15%)andendpoint,recordthemaximum frequencychange. TESTRESULTS Recordworstcaseasbelow: ReportNo.:GRCTR220902022-03Page 37 of 38 ReferenceFrequency:802.11acchannel=36frequency=5180MHz Voltage(V) Temperature(°C) Frequencyerror Limit(ppm)Result Hzppm 12.00 -30135.720.02620 Withinthe bandof operation Pass -20144.510.02790 -10 126.16 0.02436 0 117.29 0.02264 10 125.37 0.02420 20 130.29 0.02515 30 128.45 0.02480 40 117.56 0.02269 50 136.84 0.02642 13.225 141.73 0.02736 10.825 132.25 0.02553 ReferenceFrequency:802.11acchannel=149frequency=5745MHz Voltage(V) Temperature(°C) Frequencyerror Limit(ppm)Result Hzppm 12.00 -30125.150.02859 Withinthe bandof operation Pass -20134.270.03025 -10 118.43 0.02662 0 127.85 0.02562 10 136.43 0.02376 20 142.51 0.02364 30 137.62 0.02221 40 129.48 0.02132 50 135.27 0.02427 13.225 131.89 0.02353 10.825 145.36 0.02519 ReportNo.:GRCTR220902022-03Page 38 of 38 5TestSetupPhotosoftheEUT 6PhotosoftheEUT ReferencetothetestreportNo.GRCTR220902022-01. **********************EndofReport**********************

FCC ID: 2A7EH-E3