2A4TM-0259Wireless Door Bell
Shenzhen Yufeng Technology Co., Ltd.
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Application Details
- Equipment Class
- DSC - Part 15 Security/Remote Control Transmitter
- Date of Grant
- Feb 03, 2026
- Application Purpose
- Original Equipment
- Equipment Note
- Wireless Door Bell
- Frequency Range
- 433.91000000 - 433.91000000
- Country
- China
Documents & Files
Document Text
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Users Manual
UserManual 1,Placethecorrectbatteriesinthedetector 2,Makesurethatthebatterieshavebeenputintheproperpositions. 3,Mountthedetectorproperlybythefrontdoor,windowframe,driveway,walkpath,backyardor anywhereyouneed. 4,Thenswitchonthereceiverandadjustthevolumetoeitherhiorloposition. 5,Nowtheremotedetectivesystemisoperatingwiththeinfrareddetecttechnology. 6,Placethereceiverinaneasytoreachplace. 7,Whenthedetectorsensesmotion,thereceiverwillmakeanaudiblesound&theLEDlightwill flash. 8,Pleasewaitfor30secondsafterswitchingondetective&receivertoactivate. 9,Pleaseinstallbothunits3feetabovegroundlevelforoptimalperformance. UsefulTips Donotplacethedetectorinareaswherethewindwillmoveit.,alsotrytokeepthedetectiveinaclear pathtothereceiver,sothatyoucangetoptimalperformance. Care&maintenanceportion 1,Important:pleasekeepthedetector&receiverinshelteredplacestoavoidcontactofbothunits formwateranddirectsunlight. 2,WhentheLEDindicatordoesnotgoon,thebatterypoweriseitherlowordead.Atthattimeyou shouldchangethebatteries. 3,Cleanthedetectiveregularlywithadampclothtoavoidblockageofsensorbydirtoranysmall particles. 4,Trytokeepitinareaswhereitwillnotgetwet.Inaddition,duringheavystorms&snowfalls,itis recommendedthatunitshouldbemovedindoororinasafeplace. 5,Neverattempttakeaparttheunits. 6,Whentheunitisnotinuse,takeoutallbatteries;cleanbothunitsandstoretheunitsindry,cool place. 7,Thedeviceisnotatoyandshouldkeepoutofreachfromchildren. Specifications 1、WorkingVoltageoftheReceiver：110V-240V 2、WorkingVoltageofthePIRSensor：4.5V(3AAAbatteries)orDC5V/1AFromadapter. 3、ReceiverSwitchSetting： 1）Musicsource:38differentsongsforoptionalUsetheexternalbutton"music"tofinish 2）Thefunctionofvolumeadjustment:therearethreekindsofvolume(high,middle,low)for choice 3）Adjustsoundandsilence 4、WorkingRange:Upto70meters 5、Infraredsensingdistance:3-7meters 6、Receiversize：76*80*33mm 7、PIRSensorsize：80*59*45mm 8、Packingsize：17.5*11*7.5cm 9、Weight：0.22kg BoxContents: 1xReceiver 1xPIRSensor 1xInstructionManual
External Photos
FCCID:2A4TM-0259 ExternalPhotosoftheEUT Fig.1 Fig.2 FCCID:2A4TM-0259 Fig.3 Fig.4 FCCID:2A4TM-0259 Fig.5 Fig.6 FCCID:2A4TM-0259 Fig.7Theyareonlyreceivefunction. Fig.8Theyareonlyreceivefunction.
ID Label/Location Info
FCCID:2A4TM-0259 labelandlocation Fig.1 FCCID:2A4TM-0259 WirelessDoorBell Model:0256 ShenzhenYufengTechnologyCo.,Ltd.
Internal Photos
FCCID:2A4TM-0259 InternalPhotosoftheEUT Fig.1 Fig.2 FCCID:2A4TM-0259 Fig.3 Fig.4 Antenna
RF Exposure Info
ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. 101#,BuildingK&BuildingT,TheSecondIndustrialZone,JiazitangCommunity, FenghuangStreet,GuangmingDistrict,Shenzhen,China RFExposureevaluation ReportReferenceNo........................: FCCID.................................................: GRCTR260104046-02 2A4TM-0259 Compiledby (position+printedname+signature) .. : TestingEngineerJimmyWang Supervisedby (position+printedname+signature)..: ProjectEngineerKelleyZhang Approvedby (position+printedname+signature)..: ManagerSamWang Dateofissue.........................................:Jan.29,2026 TestingLaboratoryName................:ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. Address ................................................. : 101#,BuildingK&BuildingT,TheSecondIndustrialZone, JiazitangCommunity,FenghuangStreet,GuangmingDistrict, Shenzhen,China Applicant’sname ............................... :ShenzhenYufengTechnologyCo.,Ltd. Address.................................................: SecondFloor,BuildingD,SouthIndustrialZone,LaoweiVillage, Shuidou,Longhuanewdistrict,Shenzhen,China Testspecification .............................. : Standard................................................: 47CFR§2.1093 KDB447498D01v06 ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerand sourceofthematerial.ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.takesno responsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader'sinterpretationofthe reproducedmaterialduetoitsplacementandcontext. Testitemdescription ........................ :WirelessDoorBell TradeMark............................................:/ Manufacturer.........................................:ShenzhenYufengTechnologyCo.,Ltd. Model/Typereference.........................:0256 ListedModels......................................: 0259,0260,0261,0262,0263,0264,0265,F8,F8-1,0257,0258, 0155,513E,1710,1711,1712,1715,513E HardwareVersion ............................... : V1.0 SoftwareVersion..................................: V1.0 Frequency..............................................433.9100MHz Ratings...................................................:DC5VPoweredbyadapterorDC4.5V(1.5V*3AAbattery) Result.....................................................:PASS ReportNo.:GRCTR260104046-02Page2of8 TESTREPORT EquipmentunderTest:WirelessDoorBell Model/Type: 0256 ListedModels: 0259,0260,0261,0262,0263,0264,0265,F8,F8-1,0257,0258, 0155,513E,1710,1711,1712,1715,513E Applicant :ShenzhenYufengTechnologyCo.,Ltd. Address: SecondFloor,BuildingD,SouthIndustrialZone,LaoweiVillage, Shuidou,Longhuanewdistrict,Shenzhen,China Manufacturer :ShenzhenYufengTechnologyCo.,Ltd. Address: SecondFloor,BuildingD,SouthIndustrialZone,LaoweiVillage, Shuidou,Longhuanewdistrict,Shenzhen,China TestResult : PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:GRCTR260104046-02Page3of8 Contents 1.SUMMARY...............................................................................................................................................4 1.1.GeneralRemarks.........................................................................................................................................4 1.2.ProductDescription....................................................................................................................................4 1.3.EquipmentUnderTest................................................................................................................................4 1.4.ShortdescriptionoftheEquipmentunderTest(EUT)............................................................................4 1.5.Modifications................................................................................................................................................4 2.TESTENVIRONMENT.......................................................................................................................5 2.1.Addressofthetestlaboratory...................................................................................................................5 2.2.TestFacility..................................................................................................................................................5 2.3.Environmentalconditions...........................................................................................................................5 2.4.Statementofthemeasurementuncertainty.............................................................................................5 3.METHODOFMEASUREMENT.....................................................................................................7 3.1.ApplicableStandard....................................................................................................................................7 3.2.Requirement.................................................................................................................................................7 3.3.Manufacturingtolerance.............................................................................................................................7 4.EVALUATIONRESULT....................................................................................................................8 5.CONCLUSION........................................................................................................................................8 ReportNo.:GRCTR260104046-02Page4of8 1.SUMMARY 1.1.GeneralRemarks Dateofreceiptoftestsample:Jan.15,2026 Testingcommencedon:Jan.15,2026 Testingconcludedon: Jan.29,2026 1.2.ProductDescription ProductName: WirelessDoorBell Model/Typereference: 0256 ListedModels: 0259,0260,0261,0262,0263,0264,0265,F8,F8-1,0257,0…
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Test Report
Antennaspec FCCID:2A4TM-0259 1.AntennaDescription: AntennatypePCBAntenna ModelPCB-032 Frequencyrange400MHz~450MHz ManufacturerDONGGUANGXIAOKEINDUSTRLES.CO.,LTD AddressNO.227,DONGCHENGSECTION,GUANDONGROAD, DONGCHENGSTREET,DONGGUANCITY.CHINA 2.AntennaPhoto: 3.AntennaEfficiencyandGain: Frequency(MHz)PeakGain(dbi)Efficiency(%) 4001.1238.04 4301.6841.26 4502.0343.59 We,ShenzhenYufengTechnologyCo.,Ltd.,statesthatAllmeasurementswereperformed radiatedandthereforeadditionalantennagaindocumentationisnotrequired.
Test Report
ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. 101#,BuildingK&BuildingT,TheSecondIndustrialZone,JiazitangCommunity, FenghuangStreet,GuangmingDistrict,Shenzhen,China FCCPART15SUBPARTCTESTREPORT FCCPART15.231 ReportReferenceNo. ....................... : FCCID. ................................................ : GRCTR260104046-01 2A4TM-0259 Compiledby (position+printedname+signature)..: TestingEngineerJimmyWang Supervisedby (position+printedname+signature) .. : ProjectEngineerKelleyZhang Approvedby (position+printedname+signature) .. : ManagerSamWang Dateofissue ......................................... :Jan.29,2026 TestingLaboratoryName ................ : ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. Address.................................................: 101#,BuildingK&BuildingT,TheSecondIndustrialZone, JiazitangCommunity,FenghuangStreet,GuangmingDistrict, Shenzhen,China Applicant’sname ............................... :ShenzhenYufengTechnologyCo.,Ltd. Address.................................................: SecondFloor,BuildingD,SouthIndustrialZone,LaoweiVillage, Shuidou,Longhuanewdistrict,Shenzhen,China Testspecification..............................: Standard................................................:FCCPart15.231 ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerand sourceofthematerial.ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.takesno responsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader'sinterpretationofthe reproducedmaterialduetoitsplacementandcontext. Testitemdescription........................:WirelessDoorBell TradeMark............................................:/ Manufacturer.........................................:ShenzhenYufengTechnologyCo.,Ltd. Model/Typereference ......................... :0256 ListedModels......................................: 0259,0260,0261,0262,0263,0264,0265,F8,F8-1,0257,0258, 0155,513E,1710,1711,1712,1715,513E Ratings...................................................: DC5VPoweredbyadapterorDC4.5V(1.5V*3AAbattery) Modulation...........................................:ASK Frequency..............................................433.9100MHz Result ..................................................... :PASS ReportNo.:GRCTR260104046-01Page 2 of 26 TESTREPORT EquipmentunderTest: WirelessDoorBell Model/Type: 0256 ListedModels: 0259,0260,0261,0262,0263,0264,0265,F8,F8-1,0257,0258, 0155,513E,1710,1711,1712,1715,513E Applicant: ShenzhenYufengTechnologyCo.,Ltd. Address: SecondFloor,BuildingD,SouthIndustrialZone,LaoweiVillage, Shuidou,Longhuanewdistrict,Shenzhen,China Manufacturer: ShenzhenYufengTechnologyCo.,Ltd. Address: SecondFloor,BuildingD,SouthIndustrialZone,LaoweiVillage, Shuidou,Longhuanewdistrict,Shenzhen,China TestResult : PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:GRCTR260104046-01Page 3 of 26 Contents 1TESTSTANDARDS..............................................................................................................................4 2SUMMARY.................................................................................................................................................5 2.1GeneralRemarks..........................................................................................................................................5 2.2ProductDescription.....................................................................................................................................5 2.3EquipmentUnderTest.................................................................................................................................5 2.4ShortdescriptionoftheEquipmentunderTest(EUT).............................................................................5 2.5BlockDiagramofTestSetup.......................................................................................................................5 2.6EUTconfiguration.........................................................................................................................................6 2.7RelatedSubmittal(s)/Grant(s)...................................................................................................................6 2.8Modifications.................................................................................................................................................6 3TESTENVIRONMENT........................................................................................................................7 3.1Addressofthetestlaboratory....................................................................................................................7 3.2TestFacility...................................................................................................................................................7 3.3Environmentalconditions............................................................................................................................7 3.4Summaryofmeasurementresults..............................................................................................................8 3.5Statementofthemeasurementuncertainty..............................................................................................8 3.6EquipmentsUsedduringtheTest..............................................................................................................9 4TESTCONDITIONSANDRESULTS.......................................................................................10 4.1ACPowerConductedEmission................................................................................................................10 4.2RadiatedEmission..............................................................…
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Test Setup Photos
FCCID:2A4TM-0259 TestSetupPhotosoftheEUT TestSetupPhoto(s)ofRadiatedEmissionsMeasurement Fig.1 Fig.2 FCCID:2A4TM-0259 TestSetupPhoto(s)ofConductedEmissionsMeasurement Fig.3
Contact Information
Applicant
Dean Guo
[email protected]Fax: 13823168774
Technical Contact
Test Firm
Shenzhen GUOREN Certification Technology Service CSam Wang
Technical Specifications
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15.231 | 433.91 MHz - 433.91 MHz | - |