WUI-RV433RCRemote control

RadiationExposureStatement: ThisequipmentcomplieswithFCCradiationexposurelimitssetforthforanuncontrolled environment.

Attestation Statements 2025-12-5 TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: WUI-RV433RC) Winplus Co., Ltd, the undersigned, hereby authorize ADC Solutions USA, LLC to act as our designated U.S. agent for service of process, Winplus Co., Ltd accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. ADC Solutions USA, LLC accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information： Company name: Winplus Co., Ltd Contact Name: Benson Leung Address: Suites 6-11, 7th Floor, Corporation Park, 11 On La Shatin, Hong Kong FRN: 0018215988 Telephone No: 852-27988932 Email: [email protected] Signature [] U.S. Agent Information: Company Name: ADC Solutions USA, LLC Address: 2975 Red Hill Ave., Ste. 100, Costa Mesa, CA 92626, USA FRN: 0034448852 Contact Name: Henry Ho Telephone No: 1-866-294-9244 Email: [email protected] Signature []

WinplusCo.,Ltd. CoveredEquipmentCertificationAttestationLetter 12/17/2025 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa K1V1H2 Canada ATTN.:ReviewingEngineer FCCID:WUI-RV433RC WinplusCo.,Ltd.certifiesthattheequipmentforwhichauthorizationissoughtisnot “covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. WinplusCo.,Ltd.certifiesthat,asofthedateofthefilingoftheapplication,theapplicant isnotidentifiedontheCoveredListasanentityproducing“covered”equipment. WinplusCo.,Ltd.certifiesthattheequipmentforwhichauthorizationissoughtdoesnot includecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc. oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftware pursuanttoDA-24-886andKDB986446D01CoveredEquipmentGuidancesection B(2a). Signed: Printedname:BensonLeung Title:Director CompanyName:WinplusCo.,Ltd. Date:12/17/2025

WinplusCo.,Ltd. 12/17/2025 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa,Ontario,Canada K1V1H2 REQUESTFORCONFIDENTIALITY-FCC FCCID:WUI-RV433RC PursuanttoSections0.457(d)(1)(ii)and0.459oftheCommission’sRulesandFCCGuidance document726920,weherebyrequestconfidentialtreatmentofinformationaccompanyingthis applicationasoutlinedbelow: PERMANENTLONG-TERMCONFIDENTIALITY: Schematics BlockDiagrams TheoryofOperation Theaboveinformationcontainstradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthisinformationmightbeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors.TheApplicantunderstandsthatpursuanttoRule 0.457(d)(1)(ii),disclosureofthisApplicationandallaccompanyingmaterialswillnotbemadebefore thedateoftheGrantforthisApplication. Sincerely, Signed: Printedname:BensonLeung Title:Director

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FCCLabelandLocation Size:15mm*15mm ProposedLabelLocationonEUT Labellocation FCCLabel FCCID:WUI-RV433RC ModelNo.:RV433RC

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TestReportNumber: LCZE25120021 TotalPage(s):2 ApplicantName:WinplusCo.,Ltd. ApplicantAddress:Suites6-11,7thFloor,CorporationPark,11OnLaShatinHong Kong ProductName:RemoteController Model/TypeReference:RV433RC FCCID:WUI-RV433RC DateofIssue:2025-12-01 TestingLaboratory:LCTECHGuangdongTestingServicesCo.,Ltd. 1/F.,BuildingI,TechnologyandEnterpriseDevelopmentCenter, GuangyuanRoad,Xiaolan,Zhongshan,Guangdong,China TestSpecification:KDB447498D04GeneralRFExposureGuidancev01 TestResult:Passed Compiledby:Reviewedby: 2025-12-01 RexHe DateNameSignature 2025-12-01TensionLi DateNameSignature Remark: N/A Theduplicationofthisreportorpartsofitanditsuseforadvertisingpurposesisonlyallowedwith permissionofthetestinglaboratory.Thisreportcontainstheresultoftheexaminationoftheproductsample submittedbytheapplicant.Ageneralstatementconcerningthequalityoftheproductsfromtheseries manufacturecannotbederivedtherefore. RFExposureEvaluation Accordingto447498D04InterimGeneralRFExposureGuidancev01 eirp=ptxgt=(EXd) 2 /30 where:pt=transmitteroutputpowerinwatts, gt=numericgainofthetransmittingantenna(unitless), E=electricfieldstrengthinV/m,---10 ((dBuV/m)/20) /10 6 d=measurementdistanceinmeters(m)---3mSopt=(EXd) 2 /30xgt TXfrequencyrange:433.92MHz(Worstresult) Devicecategory:Mobiledevice(Distance:20cm)Max.FieldStrength:46.54dBuV/m@3m EIRP=E-104.8+20logD=46.54-104.8+20log3=-48.71dBm §1.1307(b)(3)(i)ForsingleRFsources(i.e.,anysinglefixedRFsource,mobiledevice,orportabledevice, asdefinedinparagraph(b)(2)ofthissection):AsingleRFsourceisexemptif:(A)Theavailablemaximum time-averagedpowerisnomorethan1mW,regardlessofseparationdistance.Thisexemptionmaynot beusedinconjunctionwithotherexemptioncriteriaotherthanthoseinparagraph(b)(3)(ii)(A)ofthis section.Medicalimplantdevicesmayonlyusethisexemptionandthatinparagraph(b)(3)(ii)(A). Frequency(MHz)Field Strength (dBuv/m) Eirp (dBm) antenna gain(dBi) numeric gain eirp(mW)limit (mW) min. distance (cm) 433.9246.54-48.71010.0000131 0.50 0.000013mW﹤1mW ThenSARevaluationisnotrequired

AntennaInformation 1.Manufacturer’sname: WinplusCo.,Ltd. 2.manufacturer’saddress: Suites6-11,7thFloor,CorporationPark,11OnLaShatinHongKong 3.Antennamodelname: 5687-KIT 4.Antennasize 32mm*32mm 5.AntennaGain:0dBi

TestReportNumber: LCZE25120021 TotalPage(s):21 ApplicantName:WinplusCo.,Ltd. ApplicantAddress:Suites6-11,7thFloor,CorporationPark,11OnLaShatinHong Kong Testitem:RemoteController Model/TypeReference:RV433RC FCCID:WUI-RV433RC DateofIssue:2025-12-01 TestingLaboratory:LCTECHGuangdongTestingServicesCo.,Ltd. 1/F.,BuildingI,TechnologyandEnterpriseDevelopmentCenter, GuangyuanRoad,Xiaolan,Zhongshan,Guangdong,China TestSpecification:FCC47CFRPart15SubpartC:Section15.231 TestResult:Passed Compiledby:Reviewedby: 2025-12-01RexHe DateNameSignature 2025-12-01TensionLi DateNameSignature Remark: N/A Theduplicationofthisreportorpartsofitanditsuseforadvertisingpurposesisonlyallowedwith permissionofthetestinglaboratory.Thisreportcontainstheresultoftheexaminationoftheproductsample submittedbytheapplicant.Ageneralstatementconcerningthequalityoftheproductsfromtheseries manufacturecannotbederivedtherefore. Page 2 of 21 ReportNo.:LCZE25120021 LCTECHGuangdongTestingServicesCo.,Ltd. Add:2/F.,TechnologyandEnterpriseDevelopmentCenter, GuangyuanRoad,Xiaolan,Zhongshan,Guangdong,China Tel:+86-760-22833366Fax:+86-760-22833399E-mail:[email protected]://www.lccert.com Contents 1SUMMARYOFTESTRESULTS.....................................................................................................3 2.GENERALTESTINFORMATION...................................................................................................4 2.1DESCRIPTIONOFEUT.........................................................................................................4 2.2TESTING...............................................................................................................................5 2.3TESTENVIRONMENTCONDITIONS.......................................................................................5 2.4TESTLABORATORY..............................................................................................................5 2.5MEASUREMENTUNCERTAINTY............................................................................................5 3EQUIPMENTLIST.........................................................................................................................6 4TESTRESULTS............................................................................................................................7 4.1ANTENNAREQUIREMENT.....................................................................................................7 4.2RADIATEDEMISSION............................................................................................................8 TESTRESULT:..........................................................................................................................10 4.320DBBANDWIDTH............................................................................................................13 4.4DWELLTIME.......................................................................................................................14 4.5DUTYCYCLE......................................................................................................................15 5TESTSETUPPHOTO..................................................................................................................16 6TESTSETUPOFEUT................................................................................................................17 Page 3 of 21 ReportNo.:LCZE25120021 LCTECHGuangdongTestingServicesCo.,Ltd. Add:2/F.,TechnologyandEnterpriseDevelopmentCenter, GuangyuanRoad,Xiaolan,Zhongshan,Guangdong,China Tel:+86-760-22833366Fax:+86-760-22833399E-mail:[email protected]://www.lccert.com 1SummaryofTestResults DescriptionofTestItemStandardResult AntennaRequirement FCCPart15SubpartC:15.203 PASS ACPowerLineConductedEmission FCCPart15SubpartC:15.207N/A FieldStrengthofTheFundamentalSignal FCCPart15SubpartC:15.231(b) PASS SpuriousEmission FCCPart15SubpartC:15.231(b)/15.209PASS 20dBBandwidth FCCPart15SubpartC:15.231(c) PASS DwellTimeFCCPart15SubpartC:15.231(a)PASS Note: N/AisanabbreviationforNotApplicable,andmeansthisitemisnotapplicableforthisdevice. Page 4 of 21 ReportNo.:LCZE25120021 LCTECHGuangdongTestingServicesCo.,Ltd. Add:2/F.,TechnologyandEnterpriseDevelopmentCenter, GuangyuanRoad,Xiaolan,Zhongshan,Guangdong,China Tel:+86-760-22833366Fax:+86-760-22833399E-mail:[email protected]://www.lccert.com 2.Generaltestinformation 2.1DescriptionofEUT Remark: 1.Antennagaininformationprovidedbythecustomer 2.Therelevantinformationofthesampleisprovidedbytheentrustingcompany,andthelaboratoryis notresponsibleforitsauthenticity. ProductName:RemoteController ModelNumber:RV433RC EUTfunctiondescription:Pleasereferenceusermanualofthisdevice Powersupply:DC3.0V FCCID:WUI-RV433RC Operationfrequency : 433.92MHz Modulation : ASK AntennaType : PCBantenna AntennaGain : 0dBi Page 5 of 21 ReportNo.:LCZE25120021 LCTECHGuangdongTestingServicesCo.,Ltd. Add:2/F.,TechnologyandEnterpriseDevelopmentCenter, GuangyuanRoad,Xiaolan,Zhongshan,Guangdong,China Tel:+86-760-22833366Fax:+86-760-22833399E-mail:[email protected]://www.lccert.com 2.2Testing Dateofreceiptoftestitem:2025-11-14 Date(s)ofperformanceoftests:2025-11-14 2.3Testenvironmentconditions Duringthemeasurementtheenvironmentalconditionswerewithinthelistedranges: 2.4Testlaboratory LCTECHGuangdongTestingServicesCo.,Ltd. Add:2/F.,TechnologyandEnterpriseDevelopmentCenter,GuangyuanRoad,Xiaolan,Zhongshan, Guangdong,China TestSites:1/F.,BuildingI,TechnologyandEnterpriseDevelopmentCenter,GuangyuanRoad,Xiaolan, Zhongshan,Guangdong,China 2.5Measurementuncertainty TestItemUncertainty UncertaintyforConductionemissiontest3.74dB UncertaintyforRadiationEmissiontest(30MHZ-1GHZ)4.92dB UncertaintyforRadiationEmissiontest(Above1GHz)4.23dB Note：Thisuncertaintyrepresentsanexpandeduncertaintyexpressedatapproximatelythe95% confidencelevelusingacoveragefactorofk=2. Temperaturerange: 15-35°C Humidityrange:20-75% Pressurerange:98-101kPa Page 6 of 21 ReportNo.:LCZE25120021 LCTECHGuangdongTestingServicesCo.,Ltd. Add:2…

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RadiatedEmission(30MHz-1GHz) RadiatedEmission(Above1GHz)