2BWFV-Y18Remote Control

GuangdongMupaiBathroomTechnologyCo.,Ltd. Address ： Room403,MupaiTechnologyComprehensiveBuilding,No.42Houpan,FengsiVillage, GuxiangTown,Chao'anDistrict,ChaozhouCity,China Date:2026-06-05 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2BWFV-Y18 FRN:0038496147 (“GuangdongMupaiBathroomTechnologyCo.,Ltd.”)certifiesthat,asofthedateofthefiling oftheapplication,CELLTINC.isourdesignatedU.S.agentforserviceofprocessforthe abovereferencedFCCID.(“GuangdongMupaiBathroomTechnologyCo.,Ltd.”)acceptsto maintainanagentfornolessthanoneyearafterthegranteehasterminatedallmarketing andimportationortheconclusionofanyCommission-relatedproceedinginvolvingthe equipment. CELLTINC.accepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:CELLTINC. Address:140121STST#12958SACRAMENTO,CA95811UnitedStates FRN：0036412567 ContactPerson:ThompsonLim Tel.:(424)347-4188 Email:[email protected] Sincerely, SignedonbehalfofGuangdongMupai BathroomTechnologyCo.,Ltd. SignedonbehalfofCELLTINC. Name:YuequnSuName:ThompsonLim Title:ManagerTitle:GeneralManager Date:2026-06-05Date:2026-06-05

Rev1/26/2023 GuangdongMupaiBathroomTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:06-04-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BWFV-Y18 (“GuangdongMupaiBathroomTechnologyCo.,Ltd.”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. (“GuangdongMupaiBathroomTechnologyCo.,Ltd.”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature)YuequnSu (Applicantprintedname) Rev1/26/2023 GuangdongMupaiBathroomTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:06-04-2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BWFV-Y18 (“GuangdongMupaiBathroomTechnologyCo.,Ltd.”)certifiesthat,asofthedateofthefilingofthe application,GuangdongMupaiBathroomTechnologyCo.,Ltd.isnotidentifiedontheCoveredList(asa specificallynamedentityoranyofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) (Applicantprintedname)YuequnSu

GuangdongMupaiBathroomTechnologyCo.,Ltd. Date ： 06-04-2026 Product/ModelNumber:RemoteControl/Y18 FCCID ： 2BWFV-Y18 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By:YuequnSu ContactListedonFCCWesbite Title:Manager Email:[email protected] Telephone:+8613531534543 Onbehalfof:GuangdongMupaiBathroomTechnologyCo.,Ltd.

GuangdongMupaiBathroomTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:June4,2026 Subject;RequestforConfidentiality FCCID:2BWFV-Y18 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:YuequnSu Title:Manager

Label: RemoteControl Model:Y18FCCID:2BWFV-Y18 Thisdevicecomplieswithpart15oftheFCCRules. Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived, includinginterferencethatmaycauseundesiredoperation. 29mm 26mm

FCCID:2BWFV-Y18 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. thresholds Limit 433.9270.23-24.920.0030.015.00.0013173.0

Zhejiang Dongsheng IoT Technology Co., Ltd. AntennaSpecification Specifications Summary BRANDDUSUN ANTENNA TYPE PCB Model DSBC-100 Antenna Connect typeSoldering AntennaPhoto&Length ITEMSPEC. Model Name433MHz CenterFrequency MAX. GAIN1.5dBi PolarizationHorizontal AzimuthBeamPattern Omni-directional Impedance50 Ω Efficiency frequency efficiency 418 30.15 421 33.58 424 35.62 427 37.81 430 40.67 433 42.68 436 41.77 439 39.65 442 37.21 445 34.25 448 31.17 Direction 浙江省德清丰庆街 640 号 NO.640 FengQing str.,DeQing, ZheJiang, China TEL:0086-572-8823300(6 lines) FAX:0086-572-8823330 EMAIL:[email protected]

SZNTT-TR829-0 Page 1 of 28 Hotline:0755-27889935http://www.ntt-testing.com FCCTESTREPORT FCCID:2BWFV-Y18 Product: RemoteControl ModelName: Y18 Brand: N/A ReportNo.: SZNTT26019590E1-1 Preparedfor GuangdongMupaiBathroomTechnologyCo.,Ltd. Room403,MupaiTechnologyComprehensiveBuilding,No.42Houpan,FengsiVillage, GuxiangTown,Chao'anDistrict,ChaozhouCity,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.:SZNTT26019590E1-1 SZNTT-TR829-0Page2of28 Hotline:0755-27889935http://www.ntt-testing.com 1 TESTRESULTCERTIFICATION Applicant’sname:GuangdongMupaiBathroomTechnologyCo.,Ltd. Address: Room403,MupaiTechnologyComprehensiveBuilding,No.42 Houpan,FengsiVillage,GuxiangTown,Chao'anDistrict,Chaozhou City,China Manufacture'sname:GuangdongMupaiBathroomTechnologyCo.,Ltd. Address: Room403,MupaiTechnologyComprehensiveBuilding,No.42 Houpan,FengsiVillage,GuxiangTown,Chao'anDistrict,Chaozhou City,China Productname:RemoteControl Modelname: Y18 Standards:FCCPART15C15.231 Testprocedure:ANSIC63.10-2020+Cor1+2023 Dateoftest:May.11,2026-Jun.9,2026 DateofIssue:Jun.9,2026 ThisdevicedescribedabovehasbeentestedbyNTT,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlyto thetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofNTT,thisdocument maybealteredorrevisedbyNTT,personalonly,andshallbenotedintherevisionofthedocument. Preparedby(TestEngineer): CindyQin Reviewer(Supervisor): KenWu Approved(Manager): AbelYu ReportNo.:SZNTT26019590E1-1 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.:SZNTT26019590E1-1 SZNTT-TR829-0Page4of28 Hotline:0755-27889935http://www.ntt-testing.com TableofContentsPage 8.ANTENNAREQUIREMENT.............................................................…

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