2BLLE-MPT04Remote control

ShenzhenUSKEYTechnologyCo.,Ltd Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026-04-02 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID: 2BLLE-MPT04 (“ShenzhenUSKEYTechnologyCo.,Ltd”)certifiesthattheequipmentforwhichauthorizationissoughtis not“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules. (“ShenzhenUSKEYTechnologyCo.,Ltd”)certifiesthattheequipmentforwhichauthorizationissought doesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.orany ofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature) (Applicantprintedname:ZhiyuanWang) ShenzhenUSKEYTechnologyCo.,Ltd Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026-04-02 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BLLE-MPT04 (“ShenzhenUSKEYTechnologyCo.,Ltd”)certifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesor affiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname:ZhiyuanWang)

ShenzhenUSKEYTechnologyCo.,Ltd DifferenceDescription Date：April2,2026 Productname:Remotecontrol FCCID:2BLLE-MPT04 Modellist:MPT-04 ， MPT-03 Different: Exceptforthedifferentmodelnames,allthePCBs,schematicsandRFcomponentsareexactlythesame. Signature: PrintedName: YingKeongChaw Title:GeneralManager Email:[email protected] Telephone:+86-18575589634 Onbehalfof:ShenzhenUSKEYTechnologyCo.,Ltd

ShenzhenUSKEYTechnologyCo.,Ltd Date：2026-4-2 ProductModelNumber:MPT-04 FCCID:2BLLE-MPT04 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By:ZhiyuanWang (Applicantsignature) ContactListedonFCCWesbite Title:GeneralManager Email:[email protected] Telephone:+86-18575589634 Onbehalfof:ShenzhenUSKEYTechnologyCo.,Ltd

ShenzhenUSKEYTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:April2,2026 Subject;RequestforConfidentiality FCCID:2BLLE-MPT04 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:ZhiyuanWang Title:GeneralManager

Size：26.25mm*37.24mm Labellocation

Remotecontrol Model:MPT-04 Input:5V⎓43mA FCCID:2BLLE-MPT04 MadeinChina

RFExposureEvaluation ReportNo.LP26030138C01-01 FCCID:2BLLE-MPT04 Page1/2 LimitsforMaximumPermissibleExposure(MPE) SAREVALUATION AccordingtoKDB447498D01GeneralRFExposureGuidancev06 4.3.1.StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbody and10-gextremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementor numericalsimulation,isnotrequiredwhenthecorrespondingSARExclusionThresholdcondition,listed below,issatisfied. LimitsforSARevaluation The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparationdistances ≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]• [√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation17 •Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mmandfor transmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparationdistanceis<5 mm,adistanceof5mmisappliedtodetermineSARtestexclusion RFExposureEvaluation ReportNo.LP26030138C01-01 FCCID:2BLLE-MPT04 Page2/2 MeasurementResult Preparedby:Approved&AuthorizedSigner: JerryHu/Engineer FrankShen/Manager IssueDate：2026-04-02 ---END--- Operation Mode: Channel MaximumPeak ConductedOutput Power(dBm) Tuneup tolerance (dBm) Maximumtune-up Power Calculated value Exclusion threshold (dBm)(mW) GFSK (1Mbps) Lowest (2402MHz) 3.353±142.510.778 3.0 Middle (2440MHz) 3.203±142.510.784 Highest (2480MHz) 2.542±1320.630 Conclusion:thecalculatedvalue≤3.0,SARisexempted. Remark:TheMaxConductedPeakOutputPowerdatarefertoreportReportNo.:LP26030138C01-01

Productspecification ThisWiggleantennaisusedinnormalmodulewithwholelayoutboardwhichsizeis 2.73mm*10.9mmandthicknessis0.6mm（FR4） 3-1NormalModulewiggleAntenna TheperformanceofS11asblowshowandtheworkingfrequencybandcover2.4G ISM(2.40~2.48G). 3-2NormalModuleWiggleS11performance Thegainofthisantenna2Dand3Dasblowshowandthemaximumgainisabout 0.55dbi,TestFrequencypoint2.44G NameThetaAngMag m10.00000.0000-3.29 m2180.0000180.0000-3.31 3—3NormalModuleWigglegain Frequencyvsantennagaintable: MarkFrequencyAntennaGain 12400MHZ-0.92dbi 22440MHZ0.55dbi 32480MHZ-0.75dbi JWJ Electronics Co.Ltd Building 2, Jingweijin Industrial Park, Southern Zone, Dongguan Shijie (Xingning) Industrial Transfer Park, Xingning City Manufacturer Address Antenna Type PCB Antenna

ReportNo.LP26030138C01-01 page 1 of 43 DongguanLepontTestingServiceCo.,Ltd. TESTREPORT Applicant: Address: ShenzhenUSKEYTechnologyCo.,Ltd Room920-1,Tower6,HIWITSCI-TECHPark,NO.17,BulanRoad, NanwanStreet,LonggangDistrict,Shenzhen,GuangdongChina Manufacturer: Address: ZhongshanYangGuoElectronicTechnologyCo.,Ltd. SecondandFourthOfThreeFloor,NO.9HuayuanRoad,Xiaolan Town,ZhongshanCity,Guangdong,China. Factory: Address: ZhongshanYangGuoElectronicTechnologyCo.,Ltd. SecondandFourthOfThreeFloor,NO.9HuayuanRoad,Xiaolan Town,ZhongshanCity,Guangdong,China. E.U.T.: Remotecontrol ModelNumber: MPT-04，MPT-03 TradeMark:-- FCCID:2BLLE-MPT04 DateofReceipt:2026-03-17DateofTest:2026-03-17to2026-03-24 TestSpecification:FCC47CFRPart15,SubpartC TestResult:Theequipmentundertestwasfoundtobecompliancewiththe requirementsofthestandardsapplied. Preparedby:Approved&AuthorizedSigner: JerryHu/EngineerFrankShen/Manager IssueDate:2026-04-02 Thistestreportisbasedonasingleevaluationofonesampleofabovementionedproducts.Itisnotpermittedtobe duplicatedinextractswithoutwrittenapprovalofDongguanLepontTestingServiceCo.,Ltd. ReportNo.LP26030138C01-01 page 2 of 43 DongguanLepontTestingServiceCo.,Ltd. TABLEOFCONTENTS 1.GENERALPRODUCTINFORMATION....................................................................................................4 1.1.PRODUCTFUNCTION...............................................................................................................................4 1.2.EUTTECHNICALDESCRIPTION..............................................................................................................4 1.3.INDEPENDENTOPERATIONMODES......................................................................................................5 1.4.TESTSOFTWARE......................................................................................................................................6 1.5.GENERALCONDITION..............................................................................................................................6 1.6.SUPPORTEQUIPMENT............................................................................................................................6 2.TESTSTANDARDSANDSITES..............................................................................................................7 2.1.DESCRIPTIONOFSTANDARDSANDRESULTS....................................................................................7 2.2.LISTOFTESTANDMEASUREMENTINSTRUMENTS...........................................................................8 2.3.MEASUREMENTUNCERTAINTY.............................................................................................................9 2.4.TESTFACILITY..........................................................................................................................................9 3.SETUPOFEQUIPMENTUNDERTEST.................................................................................................10 3.1.RADIOFREQUENCYTESTSETUP1.....................................................................................................10 3.2.RADIOFREQUENCYTESTSETUP2.....................................................................................................10 3.3.CONDUCTEDEMISSIONTESTSETUP.................................................................................................12 3.4.BLOCKDIAGRAMCONFIGURATIONOFTESTSYSTEM....................................................................12 4.TESTRESULTSANDMEASUREMENTDATA.....................................................................................13 4.1.DTS6DBBANDWIDTHTEST.................................................................................................................13 4.2.MAXIMUMPEAKCONDUCTEDOUTPUTPOWER...............................................................................16 4.3.MAXIMUMPOWERSPECTRALDENSITY.............................................................................................19 4.4.UNWANTEDEMISSIONSINNON-RESTRICTEDFREQUENCYBANDS.............................................22 4.5.RADIATEDSPURIOUSEMISSION.........................................................................................................30 4.6.CONDUCTEDEMISSIONTEST..............................................................................................................40 4.7.ANTENNAAPPLICATION........................................................................................................................43 ReportNo.LP26030138C01-01 page 3 of 43 DongguanLepontTestingServiceCo.,Ltd. RevisionHistoryofThisTestReport ReportNumberDescriptionIssuedDate LP26030138C01-01InitialIssue2026-04-02 ReportNo.LP26030138C01-01 page 4 of 43 DongguanLepontTestingServiceCo.,Ltd. 1.GENERALPRODUCTINFORMATION 1.1.PRODUCTFUNCTION RefertoTechnicalConstructionFormandUserManual. 1.2.EUTTECHNICALDESCRIPTION ProductName: Remotecontrol ModelNo.: MPT-04,MPT-03 TestModelNo: MPT-04 Difference: Exceptforthedifferentmodelnames,allthePCBs,schematicsand RFcomponentsareexactlythesame. SerialNo.: N/A Testsample(s)ID: LP25120106C01-S001 Sample(s)Status Engineersample Hardware: V1.0 Software: V1.0 OperationFrequency:2402MHz-2480MHz Channelnumbers: 40 Channelseparation: 2MHz Modulationtype: GFSK(1Mbps) AntennaType: PCBAntenna Antennagain: 0.55dBi Ratings: Input:5V43mA BatteryCapacity:3.7V,50mAh,0.185Wh ReportNo.LP26030138C01-01 page 5 of 43 DongguanLepontTestingServiceCo.,Ltd. 1.3.INDEPENDENTOPERATIONMODES TheEUThasbeentestedunderitstypicaloperatingcondition. TheEUTconfigurationfortestingisinstalledonRFfieldstrengthmeasurementtomeet theCommissionsrequirementandoperatinginamannerwhichintendstomaximizeits emissioncharacteristicsinacontinuousnormalapplication. TheTransmitterwasoperatedinthenormaloperatingmode.TheTXfrequencywas fixedwhichwasforthepurposeofthemeasurements. Testofchannelincludedthelowestandmiddleandhighestfrequencytoperformthetest, thenrecordonthisreport. Pre-definedengineeringprogramforregulatorytesting…

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