2A8YY-607C433 wireless remote control

CAUTION: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. CAUTION: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC Statement:This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. RF exposure compliance statement: This device has been evaluated to meet the general RF exposure requirement ISED Statement: This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canadas licence-exempt RSS(s). Operation is subject to the following two conditions: 1.This device may not cause interference. 2.This device must accept any interference, including interference that may cause undesired operation of the device. This device meets the exemption from the routine evaluation limits in section 6 of RSS 102 and compliance with RSS 102 RF exposure, users can obtain Canadian information on RF exposure and compliance.

Rev1/26/2023 ShenzhenDeyiElectronicTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-23-2025 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2A8YY-607C ShenzhenDeyiElectronicTechnologyCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. ShenzhenDeyiElectronicTechnologyCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (signature) Name:hanshuxiang Title:manager Rev1/26/2023 ShenzhenDeyiElectronicTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-23-2025 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2A8YY-607C ShenzhenDeyiElectronicTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentity oranyofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, (signature) Name:hanshuxiang Title:manager

ShenzhenDeyiElectronicTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-23-2025 Ref:AttestationStatementsPart2.911(d)(7)Filing FCCIDorGranteeCode:FCCID:2A8YY-607C ApplicantFRN:0032993412 ShenzhenDeyiElectronicTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedate ofthefilingoftheapplication,REPAmericaLLCisourdesignatedU.S.agentforserviceof processfortheabovereferencedFCCID.ShenzhenDeyiElectronicTechnologyCo.,Ltd. acceptstomaintainanagentfornolessthanoneyearafterthegranteehasterminatedall marketingandimportationortheconclusionofanyCommission-relatedproceedinginvolving theequipment. REPAmericaLLCaccepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:REPAmericaLLC U.S.AgentFRN:0034192500 Address:350TerrySt.200Longmont,CO80501UnitedStates ContactPerson:MrBenXu Tel.:(719)201-3314 Email:[email protected] Sincerely, ShenzhenDeyiElectronicTechnologyCo.,Ltd. REPAmericaLLC hanshuxiang/ManagerBenXu/manager (sign)(sign)

ShenzhenDeyiElectronicTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-23-2025 ConfidentialityRequestregardingapplicationforcertificationofFCCID:2A8YY-607C PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType BlockDiagram OperationalDescription Schematics Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrantfor thisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealsorequest temporaryconfidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType Sincerely, (signature) Name:hanshuxiang Title:manager

ShenzhenDeyiElectronicTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:12-23-2025 SUBJECT:FCCApplicationforFCCID:2A8YY-607C ToWhomItMayConcern: We,theundersigned,herebyauthorizeColinHuangatShenzhenDACETestingTechnology Co.,Ltd.onourbehalf,toapplytotheFederalCommunicationsCommissiononourequipment. AnyandallactscarriedoutbyShenzhenDACETestingTechnologyCo.,Ltd.onourbehalf shallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,theapplicant, arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301oftheAnti-DrugActof 1988,21USC853a,andnopartytotheapplicationissubjecttoadenialoffederalbenefits pursuanttothatsection. Regards, Sincerely, (signature) Name:hanshuxiang Title:manager

FCCID:2A8YY-607C ShenzhenDeyiElectronicTechnologyCo.,Ltd. ModelConfirmationLetter We,ShenzhenYihuaxinTechnologyCo.,LTDcertifytheproduct:433wireless remotecontrol,ModelNo.:607C,DY-RF-44J,DY-RF-2021,DY-RF-021,DY-RF-2029, DY-RF-1140,DY-RF-012,DY-RF-024 Therearemultiplemodelsoftheproduct,withdifferencesinthecoloroftheappearance andcustomerrequirementsfordifferentmodelsinthemarket,resultinginmultiplemodels. However,theinternalcircuitboards,PCBs,BOMs,andotherelectricalstructuresofthese modelsarethesame,andthesedifferenceswillnotaffectRF&EMCperformance. Signiture: CompanyName:ShenzhenDeyiElectronicTechnologyCo.,Ltd. Date:2025-12-23

FCCID:2A8YY-607C External

FCC ID: 2A8YY-607C FCC ID place SAMPLE: Model: 607C Input: 3V FCC ID: 2A8YY-607C This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

FCCID:2A8YY-607C Internal

Page1of1 RFExposureEvaluationReport 1RFEXPOSURE ProductName: 433wirelessremotecontrol ModelNo.: 607C,DY-RF-44J,DY-RF-2021,DY-RF-021, DY-RF-2029,DY-RF-1140,DY-RF-012,DY-RF-024 FCCID:2A8YY-607C 2.RFExposureEvaluation FCCKDB447498D01GeneralRFExposureGuidancev06:MobileandPortableDevice,RF Exposure,EquipmentAuthorizationProcedures. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093Radiofrequencyradiationexposureevaluation:portabledevices. 2.1LIMITS The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]*[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz  PoweranddistanceareroundedtothenearestmWandmmbeforecalculation  Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtest exclusion. 2.2EUTRFEXPOSUREEVALUATION WorstMode: Channel (MHz) Conducted Power (dBm) Tuneup Tolerance (dBm) Maximum tune-upPower Calculated value Limit (dBm)(mW) 433.925-22.54 -22.0 ± 1.0 -21.000.0080.001053.0 dbm=dbuv/m-95.2,sothe433.925MHzpoweris72.66-95.2=-22.54dBm Calculatedvalueis0.00105<3.0,SothereisnorequireSARtest

433MHz Antenna specification 1.Schematic diagram of antenna 2.Specifications Center of frequency 433.92MHz Antenna bandwidth 423-443.92MHz Antenna gain 0dBi VSWR ≤1.5 Polarization direction Linear polarization Radiation direction Omnidirectional Input impedance 50 Ω Manufacturer Shenzhen Deyi Electronic Technology Co., Ltd. 3.Antenna characteristics VSWR Smith Chart

V1.0ReportNo.:DACE251127001RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 1 of 31 RFTESTREPORT For ShenzhenDeyiElectronicTechnologyCo.,Ltd. ProductName:433wirelessremotecontrol TestModel(s):607C ReportReferenceNo.:DACE251127001RF001 FCCID:2A8YY-607C Applicant’sName:ShenzhenDeyiElectronicTechnologyCo.,Ltd. Address: Room401,Building31,CaoweiRoad1,CaoweiCommunity,Hangcheng Subdistrict,Bao'anDistrict,ShenzhenCity,China TestingLaboratory:ShenzhenDACETestingTechnologyCo.,Ltd. Address: 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark, TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen, Guangdong,China TestSpecificationStandard:47CFRPart15.231 DateofReceipt:November27,2025 DateofTest:November27,2025toDecember11,2025 DataofIssue:December11,2025 Result:Pass Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofShenzhenDACE TestingTechnologyCo.,Ltd.ThisdocumentmaybealteredorrevisedbyShenzhenDACETestingTechnology Co.,Ltd.personnelonly,andshallbenotedintherevisionsectionofthedocument.Thetestresultsinthe reportonlyapplytothetestedsample V1.0ReportNo.:DACE251127001RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 2 of 31 Applyforcompanyinformation Applicant’sName:ShenzhenDeyiElectronicTechnologyCo.,Ltd. Address:Room401,Building31,CaoweiRoad1,CaoweiCommunity, HangchengSubdistrict,Bao'anDistrict,ShenzhenCity,China ProductName:433wirelessremotecontrol TestModel(s):607C SeriesModel(s):DY-RF-44J,DY-RF-2021,DY-RF-021,DY-RF-2029,DY-RF-1140,DY-RF- 012,DY-RF-024 TestSpecificationStandard(s):47CFRPart15.231 NOTE1: Themanufacturershouldensurethatallproductsinseriesproductionareinconformitywiththeproductsampledetailedin thisreport.Iftheproductinthisreportisusedinanyconfigurationotherthanthatdetailedinthereport,themanufacturer mustensurethenewsystemcomplieswithallrelevantstandards. Compiledby:Supervisedby:Approvedby: LucyMo/TestEngineerStoneYin/ProjectEngineerTomChen/Manager December11,2025December11,2025December11,2025 V1.0ReportNo.:DACE251127001RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 3 of 31 RevisionHistoryOfReport VersionDescriptionREPORTNo.IssueDate V1.0OriginalDACE251127001RF001December11,2025 V1.0ReportNo.:DACE251127001RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 4 of 31 CONTENTS 1TESTSUMMARY------------------------------------------------------------------------------------------------------------------------------5 1.1TESTSTANDARDS--------------------------------------------------------------------------------------------------------------------5 1.2SUMMARYOFTESTRESULT--------------------------------------------------------------------------------------------------------5 2GENERALINFORMATION-----------------------------------------------------------------------------------------------------------------6 2.1CLIENTINFORMATION----------------------------------------------------------------------------------------------------------------6 2.2DESCRIPTIONOFDEVICE(EUT)--------------------------------------------------------------------------------------------------6 2.3DESCRIPTIONOFTESTMODES----------------------------------------------------------------------------------------------------6 2.4DESCRIPTIONOFSUPPORTUNITS------------------------------------------------------------------------------------------------6 2.5EQUIPMENTSUSEDDURINGTHETEST------------------------------------------------------------------------------------------7 2.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY--------------------------------------------------------------------------8 2.7AUTHORIZATIONS---------------------------------------------------------------------------------------------------------------------8 2.8ANNOUNCEMENT----------------------------------------------------------------------------------------------------------------------8 3EVALUATIONRESULTS(EVALUATION)---------------------------------------------------------------------------------------------9 3.1ANTENNAREQUIREMENT------------------------------------------------------------------------------------------------------------9 3.1.1Conclusion:----------------------------------------------------------------------------------------------------------------9 4RADIOSPECTRUMMATTERTESTRESULTS(RF)----------------------------------------------------------------------------10 4.120DBBANDWIDTH------------------------------------------------------------------------------------------------------------------10 4.1.1E.U.T.Operation:-------------------------------------------------------------------------------------------------------10 4.1.2TestSetupDiagram:---------------------------------------------------------------------------------------------------11 4.1.3TestData:-----------------------------------------------------------------------------------------------------------------11 4.2DUTYCYCLE-------------------------------------------------------------------------------------------------------------------------12 4.2.1E.U.T.Operation:-------------------------------------------------------------------------------------------------------12 4.2.2TestSetupDiagram:--------------------------------------------------------------------------------------------------12 4.2.3TestData:---------------------------------------------------------------------------------------------…

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FCCID:2A8YY-607C Testsetup RadiatedEmission(below1GHz) RadiatedEmission(above1GHz)