2A89K-DS306-RRemote Control

SHENZHENDERLTECHNOLOGYCO.,LTD. Room301&401inBuildingB,MeishengIndustrialArea,ChongqingRD,FuyongBaoan DIST,Shenzhen,China. AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Mar.17,26 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2A89K-DS306-R SHENZHENDERLTECHNOLOGYCO.,LTD.(“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002of referencechapter,asanentityproducing“covered”communicationequipment.Theequipmentfor whichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideosurveillance equipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibitedfrom receivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:ChenYu Title:Manager Address:Room301&401inBuildingB,MeishengIndustrialArea,ChongqingRD, FuyongBaoanDIST,Shenzhen,China. Tel.:18948793735 Email:[email protected]

SHENZHENDERLTECHNOLOGYCO.,LTD. Address:Room301&401inBuildingB,MeishengIndustrialArea,ChongqingRD, FuyongBaoanDIST,Shenzhen,China. 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Mar.17,26 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:[2A89K-DS306-R] ProductName:[RemoteControl] Thisletterservesasanattestationthattheequipmentidentifiedabove☐is/☒isnot(selectone)"covered" softwareasdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,as outlinedinFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, ApplicantSignature PrintedName:ChenYu Title:Manager Address:Room301&401inBuildingB,MeishengIndustrialArea,ChongqingRD, FuyongBaoanDIST,Shenzhen,China. Tel.:18948793735 Email:[email protected] SHENZHENDERLTECHNOLOGYCO.,LTD. Address:Room301&401inBuildingB,MeishengIndustrialArea,ChongqingRD, FuyongBaoanDIST,Shenzhen,China. 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

SHENZHENDERLTECHNOLOGYCO.,LTD. Address:Room301&401inBuildingB,MeishengIndustrialArea,ChongqingRD, FuyongBaoanDIST,Shenzhen,China. U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:Mar.20,26 Ref:AttestationStatement–Part2.911(d)(7)filing FCCID:2A89K-DS306-R [SHENZHENDERLTECHNOLOGYCO.,LTD.](“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,[CELLTINC.](“theagent”)isourdesignatedU.S.agentforserviceof processfortheabovereferenceFCCID.Theapplicantacceptstomaintainanagentforserviceof processintheUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment, whicheverislater.TheapplicantfurtheracknowledgesitisourresponsibilitytoinformtheFCC whenevertheagentinformationchanges. [CELLTINC.]("theagent)understanditistheagent'sobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S.addressand emailaddress. DesignatedU.S.Agent CompanyName:CELLTINC. FRN:0036412567 GC:N/A Address:24404SVERMONTAVESTE307C, HARBORCITY,CALIFORNIA,90710,USA Signature: ContactPerson:ThompsonLim Tel:001-424-3474188Email:[email protected] Applicant CompanyName:SHENZHENDERLTECHNOLOGYCO.,LTD. FRN:0033058801 Address:Room301&401inBuildingB,Meisheng IndustrialArea,ChongqingRD, FuyongBaoanDIST,Shenzhen,China. Signature: ContactPerson:ChenYu Tel:18948793735Email:[email protected]

SHENZHENDERLTECHNOLOGYCO.,LTD. Address:Room301&401inBuildingB,MeishengIndustrialArea,ChongqingRD, FuyongBaoanDIST,Shenzhen,China. (Mar.17,26) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2A89K-DS306-R PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow: BlockDiagram Schematics OperationalDescription Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired.  UserManual Sincerely, (Signature) Title:Manager Address:Room301&401inBuildingB,MeishengIndustrialArea,ChongqingRD, FuyongBaoanDIST,Shenzhen,China. Tel.:18948793735 Email:[email protected]

SHENZHENDERLTECHNOLOGYCO.,LTD. Address:Room301&401inBuildingB,MeishengIndustrialArea,ChongqingRD, FuyongBaoanDIST,Shenzhen,China. (Mar.17,26) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2A89K-DS306-R I,theundersigned,herebyauthorize(ShenzhenNTTTestingTechnologyCo.,Ltd.)toactonourbehalfin allmattersrelatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(ShenzhenNTTTestingTechnologyCo.,Ltd.)shallhavethesameeffectasour ownandIacknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification, asspecifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(SHENZHENDERL TECHNOLOGYCO.,LTD.). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) (FullnameofcontactpersonlistedonFCC’swebsite) (Title):Manager Tel:18948793735 Fax:N/A Email:[email protected]

Page 1 of 3 FCCID:2A89K-DS306-R ExternalPhotos Page 2 of 3 Page 3 of 3

Label: RemoteControl Model：DS306-R FCCID:2A89K-DS306-R

Page 1 of 3 FCCID:2A89K-DS306-R InternalPhotos Page 2 of 3 433MHzANT Page 3 of 3

FCCID:2A89K-DS306-R RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤5.0mm,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, EIRP=EMeas+20log(dMeas)-104.7 EIRPistheequivalentisotropicallyradiatedpower,indBm EMeasisthefieldstrengthoftheemissionatthemeasurementdistance,indBμV/m dMeasisthemeasurementdistance,inm SoaSARtestisnotrequired Frequency MHz Field strength (dBuV/m) EIRP (dBm) Max tune-up (mW) MaxPower (mW) Min. Distance (mm) Calc. threshold s Limit 433.9277.34-17.860.01605.00.0073.0

Shenzhen Hongjipu Technology Co., Ltd. custom : DESCRIPTION: PART NO. ： CUS PART NO. ： DATE： 2022-11-29 confirm ENGINEERING DEPARTMENTQ C DEPARTMENTSALES DEPARTMENT Zhu HailongFan YouyiWu Aifeng confirm ENGINEERING DEPARTMENTQ C DEPARTMENT PURCHASING DEPARTMENT APPROVA 22-087 DL-T433-L01 Shenzhen Hongjipu Technology Co., Ltd. Technical parameters of electrical apparatus Electrical Specifications Frequencyrange 433MHz Polarization perpendicularity Impedance 50 Ω Radiationdirection omnidirectional VSWR ≦ 1.5 Power50W Gain3dBiBandwidth / Mechanical Specifications Antenna color Yellow - Surface heat shrink tube Antenna Color- Interface formweldInput connectorweld Antenna length42.5MMCable length/ Operating temperature -40°C~+85°C Working Temperature -40°C~+85°C Working humidity20~80%Working Humidity20~80% Shenzhen Hongjipu Technology Co., Ltd. Environmental performance test: ItemTest condition specification Storage environment 1. Test temperature, humidity, and air pressure without specifying the following: 2. temperature:-30°C～+80°C Relative humidity:45%-85% Atmospheric pressure:86kpa-106kpa Electrical and mechanical properties are normal High and low temperature test Five cycles were performed between 70 ° C and 40 ° C, and then under normal conditions 1 to 2 hours, check the appearance quality. Dimensions shall meet the specifications and shall meet the requirements Mechanical and electrical properties Shenzhen Hongjipu Technology Co., Ltd. Resistance to constant heat and humidity test Relative humidity 95±3%, test temperature: 40°C. After 2H continuous action, The electrical properties were measured within 5 minutes after the sample was taken out, and the sample was in the normal bar After 1 to 2 hours, check the appearance qualit Dimensions shall meet the specifications and shall meet the requirements Mechanical and electrical properties Vibration test Vibration frequency range 10-55HZ, displacement amplitude: 0.35MM, acceleration amplitude: 50.0M/S, frequency sweep cycle: 30 times Electrical and mechanical properties are normal Drop test Free fall 3 times at 1M altitude in the direction of perpendicular axes Electrical and mechanical properties are normal

SZNTT-TR829-0 Page 1 of 28 Hotline:0755-27889935http://www.ntt-testing.com FCCTESTREPORT FCCID:2A89K-DS306-R Product: RemoteControl ModelName: DS306-R Brand: N/A ReportNo.: SZNTT26007148E1-1 Preparedfor SHENZHENDERLTECHNOLOGYCO.,LTD. Room301&401inBuildingB,MeishengIndustrialArea,ChongqingRD, FuyongBaoanDIST,Shenzhen,China. Preparedby ShenzhenNTTTestingTechnologyCo.,Ltd. 1B,Building2,FactoryBuilding&103,Building3,FactoryBuilding,DayangIndustrial Park,No.4,IndustrialAvenue,TangweiCommunity,FuhaiSub-district,Bao'anDistrict, ShenzhenCity,Guangdong,China TEL:0755-27889935 FAX:/ ReportNo.:SZNTT26007148E1-1 SZNTT-TR829-0Page2of28 Hotline:0755-27889935http://www.ntt-testing.com 1 TESTRESULTCERTIFICATION Applicant’sname:SHENZHENDERLTECHNOLOGYCO.,LTD. Address: Room301&401inBuildingB,MeishengIndustrialArea,Chongqing RD,FuyongBaoanDIST,Shenzhen,China. Manufacture'sname:SHENZHENDERLTECHNOLOGYCO.,LTD. Address: Room301&401inBuildingB,MeishengIndustrialArea,Chongqing RD,FuyongBaoanDIST,Shenzhen,China. Productname:RemoteControl Modelname: DS306-R Standards:FCCPART15C15.231 Testprocedure:ANSIC63.10-2020+Cor1+2023 Dateoftest:Feb.12,2026-Mar.20,2026 DateofIssue:Mar.20,2026 ThisdevicedescribedabovehasbeentestedbyNTT,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlyto thetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofNTT,thisdocument maybealteredorrevisedbyNTT,personalonly,andshallbenotedintherevisionofthedocument. Preparedby(TestEngineer): ZhaoDi Reviewer(Supervisor): KenWu Approved(Manager): AbelYu ReportNo.:SZNTT26007148E1-1 SZNTT-TR829-0Page3of28 Hotline:0755-27889935http://www.ntt-testing.com TableofContentsPage 1TESTRESULTCERTIFICATION................................................................................2 2.SUMMARYOFTESTRESULTS...............................................................................5 2.1TESTFACILITY.................................................................................................................6 2.2MEASUREMENTUNCERTAINTY....................................................................................6 3.GENERALINFORMATION.........................................................................................7 3.1GENERALDESCRIPTIONOFEUT.................................................................................7 3.2DESCRIPTIONOFTESTMODES....................................................................................8 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED..............8 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)........................................8 3.5EQUIPMENTSLISTFORALLTESTITEMS...................................................................9 4.EMCEMISSIONTEST.............................................................................................11 4.1CONDUCTEDEMISSIONMEASUREMENT..................................................................11 4.1.1POWERLINECONDUCTEDEMISSIONLIMITS..................................................11 4.1.2TESTPROCEDURE...............................................................................................12 4.1.3DEVIATIONFROMTESTSTANDARD..................................................................12 4.1.4TESTSETUP...........................................................................................................12 4.1.5EUTOPERATINGCONDITIONS...........................................................................12 4.1.6TESTRESULTS......................................................................................................12 4.2RADIATEDEMISSIONMEASUREMENT.....................................................................13 4.2.1RADIATEDEMISSIONLIMITS...............................................................................13 4.2.2TESTPROCEDURE...............................................................................................14 4.2.3TESTSETUP...........................................................................................................15 4.2.4EUTOPERATINGCONDITIONS...........................................................................16 4.2.5TESTRESULTS....................................................................................................16 5.1APPLIEDPROCEDURES/LIMIT.............................................................................21 5.2TESTPROCEDURE..................................................................................................21 5.3DEVIATIONFROMSTANDARD...............................................................................21 5.4TESTSETUP..............................................................................................................21 5.5EUTOPERATIONCONDITIONS..............................................................................21 5.6TESTRESULTS.........................................................................................................22 6.CALCULATIONOFAVERAGEFACTOR................................................................23 7.DWELLTIME...........................................................................................................25 7.1APPLICABLESTANDARD.............................................................................................25 7.2TESTPROCEDURE........................................................................................................25 7.5EUTOPERATIONCONDITIONS....................................................................................25 7.6TESTRESULTS..............................................................................................................26 ReportNo.:SZNTT26007148E1-1 SZNTT-TR829-0Page4of28 Hotline:0755-27889935http://www.ntt-testing.com TableofContentsPage 8.ANTENNAREQUIREMENT.....................................................................................27 9.TESTSETUPPHOTO.............................................................…

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