2A9WJ-1131Electric scooter

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DongguanQingmaiElectronicTechnologyCo.,Ltd AgentAuthorization Company:DongguanQingmaiElectronicTechnologyCo.,Ltd Address:Room701,GuolilaiBuilding,HumenSection,Tai'anRoad,HumenTown, Dongguan,Guangdong,China ProductName:Electricscooter ModelNumber(s):ModelA450 ProductDescription:Electricscooter WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2023.01.07 Name: MoJinhua Title:Manager Company:DongguanQingmaiElectronicTechnologyCo.,Ltd

DongguanQingmaiElectronicTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2023.01.07 Subject;RequestforConfidentiality FCCID:2A9WJ-1131 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure 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:MoJinhua Title:Manager

ExternalPhotos

InternalPhotos BTANT

FCCID:2A9WJ-A450 RFExposureEvaluation AccordingtoKDB447498V06andpart2.1093，Unlessspecificallyrequiredbythe publishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremity SARevaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARTestExclusionThreshold condition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤5mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, SoaSARtestisnotrequired ModeFrequency (MHz) Max Power (dBm) Targetpower W/tolerance (dBm) Maxtuneup power tolerance (dBm) Max Power (mW) Min. Distance (mm) Calc. thresholds limit BLEGFSK 2402 -0.15 0±1.0 1 1.258950.3902 3.0 2440 -0.23 0±1.0 1 1.258950.3933 3.0 2480 -0.04 0±1.01 1.258950.3965 3.0

1 Test Report 一、Test environment： Temp erature 24°C Humidity55%RH Atmospheric pressure100.04kPa 二、Sample information： Product name2.4G ANT Specification Size 11.65mm x 4.7mm x 0.8mm Test Project Standing Wavebie：Gain；Radiation efficiency；Radiation pattern Frequency Band Range2400-2500MHZ Test Data2020.09.01 2 三、Test Results 1.Antenna Specification ITEMANT SPEC PolarizationHorizontal Center Frequency 2400 MHZ 2450 MHZ 2500 MHZ -0.71 dBi 0 dBi -3.22 dBi PolarizationVertical Center Frequency 2400 MHZ 2450 MHZ 2500 MHZ -0.53 dBi -1.10 dBi -3.99dBi Azimuth Beam Pattern0mni-directional Impedance 50Ω Antenna Length 11.65mm 3 2.AntennaPhoto&Length 3.Directedgraph 4 4.Test Datas 5 6 7

ProjectNo.:ZKT-230103L0018E Page 1 of 41 FCCTESTREPORT FCCID:2A9WJ-1131 ReportNumber.....................................: ZKT-230103L0018E DateofTest ....................................................... : Dec.26,2022toJan.05,2023 Dateofissue ......................................... : Jan.05,2023 Totalnumberofpages..........................41 TestResult..........................................: PASS TestingLaboratory...............................: ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname................................:DongguanQingmaiElectronicTechnologyCo.,Ltd Address ............................................... : Room701,GuolilaiBuilding,HumenSection,Tai'anRoad,Humen Town,Dongguan,Guangdong,China Manufacturer'sname ......................... :DongguanQingmaiElectronicTechnologyCo.,Ltd Address ............................................... : Room701,GuolilaiBuilding,HumenSection,Tai'anRoad,Humen Town,Dongguan,Guangdong,China Testspecification: Standard................................................: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 Testprocedure.....................................: / Non-standardtestmethod ................ :N/A TestReportFormNo. ....................... : TRF-EL-111_V0 TestReportForm(s)Originator.....: ZKTTesting MasterTRF........................................: Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname ..................................... :Electricscooter Trademark...........................................:N/A Model/Typereference.........................: ModelA450 Ratings .................................................. : DC54.6V/2AfromadapterinputAC230V/50HzorDC46.8Vfrom Battery ProjectNo.:ZKT-230103L0018E Page 2 of 41 Testingprocedureandtestinglocation: TestingLaboratory.......................................:ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China AlenHe Testedby(name+signature).......................: JoeLiu Reviewer(name+signature).......................: LakeXie Approved(name+signature).......................: ProjectNo.:ZKT-230103L0018E Page 3 of 41 TableofContents Page 1.VERSION....................................................................................................................5 2.SUMMARYOFTESTRESULTS...............................................................................6 2.1TESTFACILITY.................................................................................................................7 2.2MEASUREMENTUNCERTAINTY....................................................................................7 3.GENERALINFORMATION........................................................................................8 3.1GENERALDESCRIPTIONOFEUT.................................................................................8 3.2DESCRIPTIONOFTESTMODES....................................................................................9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED..............9 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)........................................9 3.5EQUIPMENTSLISTFORALLTESTITEMS.................................................................10 4.EMCEMISSIONTEST.............................................................................................12 4.1CONDUCTEDEMISSIONMEASUREMENT..................................................................12 4.1.1POWERLINECONDUCTEDEMISSIONLimits...................................................12 4.1.2TESTPROCEDURE...............................................................................................12 4.1.3DEVIATIONFROMTESTSTANDARD..................................................................12 4.1.4TESTSETUP...........................................................................................................13 4.1.5EUTOPERATINGCONDITIONS...........................................................................13 4.1.6TESTRESULTS:.....................................................................................................13 4.2RADIATEDEMISSIONMEASUREMENT......................................................................16 4.2.1RADIATEDEMISSIONLIMITS...............................................................................16 4.2.2TESTPROCEDURE...............................................................................................17 4.2.3DEVIATIONFROMTESTSTANDARD..................................................................17 4.2.4TESTSETUP...........................................................................................................17 4.2.5EUTOPERATINGCONDITIONS...........................................................................18 5.RADIATEDBANDEMISSIONMEASUREMENT.....................................................23 5.1TESTREQUIREMENT:..............................................................................................23 5.2TESTPROCEDURE..................................................................................................23 5.3DEVIATIONFROMTESTSTANDARD.....................................................................23 5.4TESTSETUP..............................................................................................................24 5.5EUTOPERATINGCONDITIONS..............................................................................24 5.6TESTRESULT........…

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