2BWYW-OPT41-BPRemote control

OPT41-BP Thank you for choosing our product! Customer Service Contact To ensure proper installation and safe use of your smart toilet, please read this manual carefully. If you encounter any missing or damaged parts, please contact our customer service team. Be sure to include your Order ID for faster service. Email: [email protected] Response Time: Within 24 hours Remote control instructions Instructions for using the knob on the side of the toilet Safety directory Hardware lists Component name Safety cautions Safety and prohibited matters Initial inspection before use Important safety warning – regular testing of the leakage protection switch Catalogue 02 Please be sure to observe the following Daily cleaning and maintenance Foot sensor user guide Common fault diagnosis Installation steps for smart toilet Battery replacement and installation 02 03 03 04 04 05 06 07 08 09 10 12 14 17 For any questions or support, please email: [email protected] Product standard 18 Component name One Click Knob Angle Valve The Power On Button On The Plug The Power Off Button On The Plug Indicator Toilet Lid Please check if all accessories listed below have been received. Hardware Lists Human Body Sensor Foot Sensor Toilet Seat This is the seat sensor area. Please do not remove this label. Important: Before using the feminine wash, rear wash, or drying functions, you must be seated within the sensor area on the toilet seat. While these functions are in use, do not lift your hips from the sensor area, or the functions will stop immediately. Cleaning Nozzle Dryer The C angle valve (1/2") fits 1/2" non-threaded copper pipes (water pipes). The D adapter fits 3/8" angle valves. Use whichever one matches your installation; both are not required. 1pc flange ring A 1pc instruction B 1set angle valve C 1pc E remote control 1pc F fixed disk screws 1set G fixed disk 3/8" female x 3/4" male adapter 1pc D Initial inspection before use Power plug with ground wire Safety directory 1. Do not place the product in damp or wet locations. 2. Do not drop the remote control into water. 3. Do not spray water onto the product or into the power outlet. Please cautiously read before installing and using. Warning: To avoid electric shock 1. Young children and users insensitive to temperature should be accompanied by others when using this product. Turn off or lower the seat temperature when necessary. 2. Use this product only as described in the manual. Do not connect other equipment. 3. Do not continue to use the product if it is malfunctioning, damaged, or has been exposed to water. Send it to an authorized service center for repair. 4. Ensure that the power cord and wires are not damaged or exposed to heat. 5. Do not use this product under the influence of alcohol, medication, or in an unstable condition. 6. Do not plug or unplug the product or hoses while in use. 7. Do not use outdoors. Warning: To prevent burns, electric shock, fire, or injury Note: To ensure the normal use of the product, please follow the instructions to text. 1. Insert the power plug into a 110V AC outlet. 2. Check that the indicator on the digital display panel is illuminated. 3. Check that the inlet valve is turned on. 4. Ensure that the hose between the wall angle valve and the toilet inlet valve is properly installed. 110V socket Angle valve Water inlet hose Caution: Items to Check Before Use 1. Check for water pipe leaks by wiping all connections with absorbent paper. 2. Press the seat near the seat sensor and check for a response sound. 3. Check that the damping structure operates normally. 4. Verify that both the seat detection and foot detection functions are enabled. Seating sensing position Safety cautions Note: please cautiously read before using This product is an electrical appliance. Do not install it in locations where it may be splashed with water or exposed to high humidity. When used in a bathroom, ensure proper ventilation by installing a vent. The power outlet should be installed as follows: • The outlet must be positioned at least 11.8 in above the floor. • Keep the outlet as far away from the bathtub as possible. • The outlet circuit must be equipped with a high-sensitivity, fast-acting leakage protection switch (rated operating current ≤ 15 mA), or be protected by an insulated transformer with a capacity of 1.5–3 kVA. Please read carefully before using. The cautions listed here are related to safety and please follow. This product uses a three-prong plug (with ground wire). Risk of electric shock may occur in case of fault or electrical leakage. If the wall outlet does not provide a ground connection, contact a licensed electrician. Use only AC 110V power supply, and ensure wiring complies with relevant regulations. Warning - Be sure to firmly connect ground wires Proper grounding of this product is required. Without grounding, there is a risk of electric shock. Note: Proper grounding means that the grounding resistance must be below 100 Ω, and the grounding wires of the switchboard must be copper wires with a diameter of at least 1.6 mm. When installing in a bathroom, ensure that the power plug is sealed with silica gel for waterproofing. *Using the wrong power supply may cause a fire.* Please be sure to observe the following Do not allow urine to splash onto the nozzle. Unplug the unit during thunderstorms. Do not flush the unit directly with water. Do not wipe the seat or cover with rough cloth or toilet paper. Use a soft damp cloth instead. Please do not open the seat ring or cover violently. May cause cracking or malfunction. Please take antifreeze measures by freezing. Please do not put heaters near this product. Discoloration or malfunction will occur. Safety and prohibited matters Note: please cautiously read before using Please read carefully before using. The cautions listed here are related to safety and please follow. Notice heat burn Please turn the seat temperature down or off when sitting on the toilet for a lon…

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1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: CompanyName:GOLDENVICTORYINTERNATIONALTRADINGCOLTD FRN:0036377570 ContactName:LeonHowar Address:11016THSTREETSUITE1400DENVER,CO80202UnitedStates TelephoneNo:(337)255-0461 Email:[email protected] Applicant: Companyname:TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED ProductDescription:Remotecontrol Granteecode:2BWYW FRN:0038634010 FCCID:2BWYW-OPT41-BP ContactName:XinpuXie Address:Unit127,Room701,7/F,BlockB,NewMandarinCentre,14ScienceMuseumRoad, TsimShaTsuiHongKongChina TelephoneNo.:17727861920 Email:[email protected] [TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED]certifiesthat,asofthedateof thisfilingoftheapplicationwiththeTCB,[GOLDENVICTORYINTERNATIONAL TRADINGCOLTD]isourdesignatedUSagentforserviceofprocessforthe abovereferencedFCCID.[TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED] acceptstomaintainanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanycommission relatedproceedinginvolvingequipment.[GOLDENVICTORYINTERNATIONAL TRADINGCOLTD]accepts,asofthedateofthefilingoftheapplication,the obligationofthedesignatedUSagentforserviceofprocessfortheabove referenceFCCID. TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause §2.911. TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. Date:2026.8.24 Applicant’sName:XinpuXieUSAgent’sName:LeonHowar Title:ManagerTitle:Manager Signature Signature

AttestationStatement. OldCode:C526609124NewCode:00015544Ed.3 Changereason:FRNisaddedtotheApplicantinformationsection. 1/1 TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 TheCommissionadoptedrulesthatprohibitequipmentauthorizationfor“covered” telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentitiesidentified ontheCommission’sCoveredList 1 ,whichisperiodicallyupdated.SeetheCoveredListformore details.ThisAttestationStatementistoconfirmthatwefollowtheSection2.911(d)(5)(i)-(ii) Applicant Companyname:TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED Granteecode:2BWYW FRN:0038634010 FCCID:2BWYW-OPT41-BP ContactName:XinpuXie Address:Unit127,Room701,7/F,BlockB,NewMandarinCentre,14ScienceMuseumRoad, TsimShaTsuiHongKongChina TelephoneNo.:17727861920 Email:[email protected] i.TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED(“theapplicant”)certifies thattheequipmentforwhichauthorizationissoughtisnot“covered” equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules.Theapplicantmustsignthiscertification. ii.TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED(“theapplicant”)certifies that,asofthedateofthefilingoftheapplication,theapplicant[isnot](asa specificallynamedentityoranyofitssubsidiariesoraffiliates)identifiedon theCoveredListasanentityproducing“covered”equipment.Theapplicant mustsignthiscertification. [TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED](“theapplicant”)certifiesthat,as ofthedateofthefilingofthe application,theapplicant[isnot]identifiedontheCoveredList asanentityproducing“covered” equipment. Date:2026.8.24 Applicant’sName:XinpuXie Title:Manager Signature 1 TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED Code00018768Ed.2 Item1.Thedeviceisabletoinstallsoftware/programinstallation? ☐ Yes,gotoItem2. ☒ No.Inthiscase,therestoftheitemsdonotapply.ThedevicecannotsupportinstallationofKaspersky cybersecurityoranti-virussoftware. Item2.TechnicalRequirementsforKasperskyCybersecuritySoftware: #GeneralRequirements(ForallDevices)Yes/NoorN/AComments 1Internetconnectionforactivationandupdates(ForallOperating Systems) N/A #GeneralRequirements(ForWindowsDevices)Yes/NoorN/AComments Device Companyname Granteecode FCCID FRN Contactname Address Telephonenumber E-mail Chipset/moduleinformation OperatingSystem(ifapplicable) StorageCapacity(harddriveorother permanentmemorystorage,ifapplicable) Remote control TANGCAI(HK)IMPORTI& EXPORTCO.,LIMITED 2BWYW 2BWYW-OPT41-BP 0038634010 Xinpu Xie Unit 127, Room 701, 7/F, Block B, New Mandarin Centre, 14 Science Museum Road, Tsim Sha Tsui Hong Kong China 17727861920 [email protected] MCU:NY8BE62D, IC:XL4456 N/A N/A 2 1Storage:1500MBfreespaceontheharddriveN/A 2OperatingSystem: MicrosoftWindows8,8.1,10&11Home/Pro/Enterprise Microsoft Windows7Starter/HomeBasic&Premium/Professional/ UltimateSP1orhigher N/A 3Processor:1GHzorhigher(x86orx64)N/A 4Memory(RAM)1GB(32-bit)or2GB(64-bit)N/A 5ScreenResolution:Minimumresolutionof1024x768N/A #GeneralRequirements(FormacOSdevices)Yes/NoorN/AComments 1OperatingSystemmacOS®13–14N/A 2Memory(RAM)4GBN/A 3Storage:3455MBfreespaceontheharddriveN/A #GeneralRequirements(ForAndroidDevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 2OperatingSystem:Android™10–14N/A 3ScreenResolution:Minimumresolutionof320x480N/A #GeneralRequirements(foriOSdevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 2OperatingSystem:iOS®17N/A #GeneralRequirements(ForLinuxsystem)Yes/NoorN/AComments 1Harddrive:1GBoffreespaceN/A 3 2CPU:IntelPentium1GHzorhigherN/A 3RAM:1GBN/A 4Minimumsoftwarerequirements: AlmaLinuxOS8orlater; AlterOS7.5orlater; AstraLinuxCommonEdition2.12orlater; CentOS6.7orlater; DebianGNU/Linux10.0orlater; EulerOS2.0orlater; OracleLinux7.3orlater; RedHatEnterpriseLinux6.7orlater; RockyLinux8.5orlater; SUSELinuxEnterpriseServer12.5orlater; Ubuntu12.04orlater; UncomOSHome/Business/Education/Enterprise2.2orlater; ALTLinuxWorkstaton/WorkstationK/Server/Education8or later; ROSALinuxWorkstation/Server12orlater; REDOS7.3andlater; N/A Afterreviewedthetechnicalrequirements,isthedevicecapableofsupportingtheinstallationof Kasperskysoftware? ☐Yes,gotoItem3. ☒ No.Inthiscase,therestoftheitemsdonotapply.ThedevicecannotsupportinstallationofKaspersky software Item3.ConnectivityCapabilities: 4 #PhysicalInterfacePurposeJustification 1 1 #WirelessInterfacePurposeJustification 1 1 Afterthereviewofthisitems,thedevice: ☒Cannotsupportinstallationofanycybersecurityoranti-virussoftwareonthecoveredlist. ☐ Potentiallycanoperatewithanycybersecurityoranti-virussoftwareonthecoveredlist–additionalthird- partyproofisprovidedtodemonstratecompliancewithrequirementsasof2.911(d)5(i),(ii)–“Proofof CompliancewithCoveredListSoftwareRequirements”ofthisdocumentapplies Signature:Name:XinpuXie Date:2026.8.24 Oncethedocumentisfilledin,pleaseproceedtoprintaPDFofthisWord 1 Thejustificationfieldisusedtojustifywhythesoftwarecannotbereceivedthroughthatinterface.Checktheannexformore indications.

TCBCALLpágina1 FileFCCID:2BWYW-OPT41-BP PleaseuploadanexhibitthatexplainshowdoestheTCBverifythenewagentinformation: 1-IstheaddressoftheagentavalidphysicalUSmailingaddress(notaUSpostofficebox,notavirtualmailbox,notP.O.Boxes,notavacantlot,notapublicbuilding, etc.) ○Wehavecheckediftheaddressexistsinarealandpotentialbuilding(Googlemaps)+officialUSregister,afterthisverificationandtheevidencebelowwecan guaranteethefollowing: notaUSpostofficebox notavirtualmailbox notP.O.Boxes notavacantlot notapublicbuilding(note) ►WecheckedtheFCCFRNSearchbasedontheinformationprovidedbythegrantee. Ontheofficialregisterfrom:https://bizfileonline.sos.ca.gov/search/business TCBCALLpágina2 TCBCALLpágina3 TCBCALLpágina4 TCBCALLpágina5 Ingoogle: TCBCALLpágina6 Bankinformation TCBCALLpágina7 TCBCALLpágina8 TCBCALLpágina9 TCBCALLpágina 10 GOLOCERTSTECHNOLOGYINCADDRESSPROFF WaterBill TCBCALLpágina 11 TCBCALLpágina 12 TCBCALLpágina 13 TCBCALLpágina 14 TCBCALLpágina 15 TCBCALLpágina 16 ►CONCLUSIONbyTCB:TheASOPdefinedandprovidedbygranteeisVALIDandconfirmed.Thereforetheexhibit"C5266091_X23_Ed1_US_Agent_Letter" includedinthefileisok. 2-IstheagentphysicallylocatedatthatvalidUSaddresssuchthattheagentcanbelegallyservedatthataddress? Yes,checkabove 3-Hasthelistedagentclearlyagreedinwritingtoserveastheagentforthegranteeatthataddress? Yes,itisincludedintheexhibit"C5266091_X23_Ed1_US_Agent_Letter" >

C5266091_X10_Ed.2 1/1 TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2026.8.24 Subject:RequestforConfidentiality FCCID:2BWYW-OPT41-BP ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:XinpuXie Title:Manager

C5266091_X8_Ed.1 1/1 LetterofAuthorization TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED Company:TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED Address:Unit127,Room701,7/F,BlockB,NewMandarinCentre,14 ScienceMuseumRoad,TsimShaTsuiHongKongChina ProductName:Remotecontrol ModelNumber:OPT41-BP FCCIdentifier:2BWYW-OPT41-BP WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:XinpuXieDate:2026.8.24 Title:Manager Signatureofapplicant:

EUTPHOTO(ExternalPhotos) TestModel:OPT41-BP ※※※※※ENDOFREPORT※※※※※

Labelandlabellocation FCCIDLABEL: High:1cm Wide:2cm LabelLocation: FCCID:2BWYW-OPT41-BP

EUTPHOTO(InternalPhotos) TestModel:OPT41-BP ※※※※※ENDOFREPORT※※※※※ ANT

FCCID:2BWYW-OPT41-BP RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093, UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,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, For315M Frequency (MHz) Electric Field (dBuV/m) Power (dBm) Tune-up power (dBm) Max tune-up power (dBm) Max tune-up power (mW) Min. Distance (mm) Calc. thresholds Limit 315.0061.17-34.03-35±1-340.000450.000043.0 Remark:dBuV/mtodBm,dBm=dBuV/m-95.2; Conclusion: 1.[(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]<3.0. 2.SARTestExclusionThresholdsis3.0forseparationdistance5mm.Therefore,SAR testisnotrequired.

ReportNo.:ZKT-2607281946E Page 1 of 30 FCCTESTREPORT FCCID:2BWYW-OPT41-BP ReportNumber.....................................: ZKT-2607281946E DateofTest ....................................................... :Jul.28,2026toAug.19,2026 Dateofissue ......................................... :Aug.19,2026 Totalnumberofpages..........................30 TestResult .......................................... : PASS TestingLaboratory. ........................... : ShenzhenZKTTechnologyCo.,Ltd. Address...............................................: 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrialAvenue, FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: TANGCAI(HK)IMPORTI&EXPORTCO.,LIMITED Address...............................................: Unit127,Room701,7/F,BlockB,NewMandarinCentre,14Science MuseumRoad,TsimShaTsui,HongKong Manufacturer'sname......................: GuangdongIAIAIntelligentSanitaryWareCo.,Ltd. Address ............................................... : No.33LaicuoIndustrialPark,NanlongVillage,FengtangTown,Chao anDistrict,ChaozhouCity,GuangdongProvince,China Testspecification: Standard................................................: FCCCFRTitle47Part15SubpartC ANSIC63.10-2020+Cor.1-2023+C63.10a-2024+Erratato C63.10a-2024 Testprocedure ..................................... : / Non-standardtestmethod................:N/A TestReportFormNo........................: TRF-EL-111_V0 TestReportForm(s)Originator ..... : ZKTTesting MasterTRF ........................................ : Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentundertest (EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedin thereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmaybe alteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname ..................................... :Remotecontrol Trademark...........................................:N/A Model/Typereference ......................... : OPT41-BP Ratings .................................................. :Battery:DC3VForbattery(AAABattery*2) ReportNo.:ZKT-2607281946E Page 2 of 30 Testingprocedureandtestinglocation: TestingLaboratory.......................................: ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiuTestedby(name+signature).......................: JacksonFang Reviewer(name+signature).......................: LakeXie Approved(name+signature) ....................... : ReportNo.:ZKT-2607281946E Page 3 of 30 TableofContentsPage 1.VERSION...........................................................................................................................................5 2.SUMMARYOFTESTRESULTS......................................................................................................6 2.1TESTFACILITY...............................................................................................................................7 2.2MEASUREMENTUNCERTAINTY..................................................................................................7 3.GENERALINFORMATION...............................................................................................................8 3.1GENERALDESCRIPTIONOFEUT...............................................................................................8 3.2TESTCHANNEL.............................................................................................................................9 3.3DESCRIPTIONOFTESTMODES..................................................................................................9 3.4BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED.............................9 3.5DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)......................................................9 3.6EQUIPMENTSLISTFORALLTESTITEMS...............................................................................10 4.EMCEMISSIONTEST....................................................................................................................12 4.1CONDUCTEDEMISSIONMEASUREMENT................................................................................12 4.1.1POWERLINECONDUCTEDEMISSIONLIMITS...............................................................12 4.1.2TESTPROCEDURE.............................................................................................................13 4.1.3DEVIATIONFROMTESTSTANDARD................................................................................13 4.1.4TESTSETUP........................................................................................................................13 4.1.5EUTOPERATINGCONDITIONS.........................................................................................13 4.1.6TESTRESULTS...................................................................................................................13 4.2RADIATEDEMISSIONMEASUREMENT.....................................................................................14 4.2.1RADIATEDEMISSIONLIMITS............................................................................................14 4.2.2TESTPROCEDURE.............................................................................................................16 4.2.3TESTSETUP........................................................................................................................16 4.2.4EUTOPERATINGCONDITIONS.........................................................................................17 4.2.5TESTRESULTS...................................................................................................................18 5.20DBOCCUPIEDBANDWIDTH..................................................................................................…

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315MHz PCB Onboard Antenna Specification ocument No.:ANT-315-REMOTE-V1.0 Version:V1.0 Date:2026-04-25 RF Chip:Y4455 (315MHz ASK Transmitter) Antenna Type:Self-designed PCB Onboard Trace Antenna Standard:FCC Part 15.231 Manufacturer：Dema Technology Co., Ltd. Adress：Room 102, Building 2, No. 2, Humen Section, Wantai Road, Humen Town, Dongguan City, Guangdong Province 1.BasicAntennaInformation AntennaForm:PCBtop-layercoppermonopoletraceantenna(self-designed,no commercialantenna) OperatingFrequency:315MHz(310–320MHz) InputImpedance:50Ωmatcheddesign Polarization:VerticalPolarization RadiationPattern:Omni-directional Installation:IntegratedPCBprinting,non-detachable,non-replaceable, non-modifiable MatchingCircuit:LC/π-typematchingnetwork,suitableforY4455PAoutput 2.ElectricalSpecifications FrequencyRange:310–320MHz VSWR:≤3.0(withinoperatingband) ReturnLoss(S11):≤-6dB(typical) MaximumAntennaGain:≤0dBi AntennaEfficiency:≥30% CompatibleTransmitPower:≤12dBm(Y4455ratedoutput) Modulation:ASK 3.PCBStructure&DesignDescription Material:CEM-3 BoardThickness:1.0mm AntennaLayer:PCBtop-layercoppertrace FeedSource:Y4455Pin3(PAOUT)RFoutput AntennaArea:Nogroundcopperorcopperpourontop/bottomlayers ClearanceRequirement:≥10mmaroundantenna,nometal,shield,batteryor conductiveparts 4.Self-designedAntennaStatement ThisantennaisindependentlydesignedviaPCBLayoutfortheremotecontrol.No third-partysupplierorcommercialantennaspecificationisavailable.Parametersare obtainedthroughcircuitsimulationandsystemtest.Impedancematchingandpower optimizationarecompletedwithY4455.Theproductmeetsallradiation requirementsofFCCPart15.231. 5.ComplianceDeclaration Thisisadedicatedbuilt-inantennafixedonthespecificproduct.Itcannotbe replaced,modifiedorreusedonothermodels.ThesystemRFperformancehasbeen verifiedinaccordancewithFCCrequirements. Attached:PCBAntennaDimensions PCBSize:44.5mm×156mm AntennaType:315MHzPCBonboardmonopoletraceantenna(self-designed) TotalAntennaTraceLength:360mm AntennaOccupiedArea:156mm×0.6mm Material:CEM-3,Thickness:1.0mm Clearance:≥10mmaroundantenna,nometal,copperpour,batteryorshieldtoavoid detuning Draftedby:WangShitao Checkedby:ZhangHan Approvedby:ZhangHan

EUTTESTPHOTO TestModel:OPT41-BP