2BVTT-I5-9Doorbell

FCC Caution. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. *RF warning for Portable device: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. *RF warning for Mobile device: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

DongguanTuoxingyuanElectronicIndustrialCo.,Ltd. CoveredEquipmentCertificationAttestationLetter 9/1/2026 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa K1V1H2 Canada ATTN.:ReviewingEngineer FCCID:2BVTT-I5-9 DongguanTuoxingyuanElectronicIndustrialCo.,Ltd.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibitedfrom receivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. DongguanTuoxingyuanElectronicIndustrialCo.,Ltd.(“theapplicant”)certifiesthat,as ofthedateofthefilingoftheapplication,theapplicantisnotidentifiedontheCovered Listasanentityproducing“covered”equipment. DongguanTuoxingyuanElectronicIndustrialCo.,Ltd.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtdoesnotincludecybersecurityoranti-virus softwareproducedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsand assignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886 andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:QingyuanLi Title:Manager CompanyName:DongguanTuoxingyuanElectronicIndustrialCo.,Ltd. Date:9/1/2026

DongguanTuoxingyuanElectronicIndustrialCo.,Ltd. ProductSimilarityDeclaration Productname:Doorbell Modelname:I5-9,I5-139 FCCID:2BVTT-I5-9 We(DongguanTuoxingyuanElectronicIndustrialCo.,Ltd.) herebystatethatallthemodelsareelectricalidenticalincluding thesamesoftwareparameter(circuitdesign,PCBLayout,RF module/circuit,antennatype(s)andantennalocation,components onPCB,etc.,),themodelsdifferonlyinappearance. Thedifferencecomparisonchartisasfollows: Serial Number Model name EUTPHOTOS 1I5-9 2I5-139 Signature: Printedname:QingyuanLi Title:Manager CompanyName:DongguanTuoxingyuanElectronicIndustrialCo.,Ltd. Date:September1,2026

DongguanTuoxingyuanElectronicIndustrialCo.,Ltd. 9/1/2026 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa,Ontario,Canada K1V1H2 REQUESTFORCONFIDENTIALITY-FCC FCCID:2BVTT-I5-9 PursuanttoSections0.457(d)(1)(ii)and0.459oftheCommission’sRulesandFCCGuidance document726920,weherebyrequestconfidentialtreatmentofinformationaccompanyingthis applicationasoutlinedbelow: PERMANENTLONG-TERMCONFIDENTIALITY: Schematics BlockDiagrams TheoryofOperation Theaboveinformationcontainstradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthisinformationmightbeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors.TheApplicantunderstandsthatpursuanttoRule0.457(d)(1)(ii), disclosureofthisApplicationandallaccompanyingmaterialswillnotbemadebeforethedateofthe GrantforthisApplication. Sincerely, Signed: Printedname:QingyuanLi Title:Manager

FCCID:2BVTT-I5-9 FCCID:2BVTT-I5-9 FCCID:2BVTT-I5-9 FCCID:2BVTT-I5-9

LabelandLabelLocation Name:Doorbell Model:I5-9 FCCID:2BVTT-I5-9

FCCID:2BVTT-I5-9 FCCID:2BVTT-I5-9 FCCID:2BVTT-I5-9 FCCID:2BVTT-I5-9 FCCID:2BVTT-I5-9 FCCID:2BVTT-I5-9

Page1of3 RFEXPOSUREEVALUATION FCCID:2BVTT-I5-9 ProductName: Doorbell ModelName:I5-9,I5-139 Operatingfrequency:2412-2469MHz NumbersofChannel:58channelsforGFSK AntennaType:Robantenna AntennaGain:2.76dBi TypeofModulation:GFSK Powersupply: Input:DC5V Battery:3.7V,400mAh HardwareVersion:N/A SoftwareVersion:N/A Page2of3 StandardRequirement Accordingto§15.247(i)and§1.1307b(1),systemsoperatingundertheprovisionsofthis sectionshallbeoperatedinamannerthatensuresthatthepublicisnotexposedtoradio frequencyenergylevelsinexcessoftheCommission’sguidelines.SeeKDB447498D01 GeneralRFExposureGuidancev06,section4.3.1. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]*[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gSARextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison. Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤ 50mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,usingmeasurements orcomputersimulation.WhenroutineSARevaluationisnotrequired,portabletransmitters withoutputpowergreaterthantheapplicablelowthresholdrequireSARevaluationtoquality forTCBapproval. RFOutputpower Freq. (MHz) Fieldstrength(max)(dBuV/m) EIRP(max) (dBm) 2469 93.02-2.18 Note:EIRP=E-104.8+20logD, Where EistheelectricfieldstrengthindBμV/m. EIRPistheequivalentisotropicallyradiatedpowerindBm. disthespecifiedmeasurementdistanceinm. whereD=3,EIRP=E-95.2. Page3of3 Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTune UpPower (mW) Distance (mm) Calculation results Limit Operating Mode 2469-2.18-2.18±10.76207950.23949232.4GGFSK AccordingtoKDB447498,Thedeviceonlysupport2.4Gfunction,andnosimultaneousSAR measurementisrequired. Signature SimonPu Manager Date:2026-08-28

Page 1 of 41 FCCTESTREPORT FCCID:2BVTT-I5-9 Product: Doorbell ModelName: I5-9,I5-139 Brand: N/A ReportNo.: PTC26071407301E-FC01 Preparedfor DongguanTuoxingyuanElectronicIndustrialCo.,Ltd. Room405,Building2,No.1,ZifengStreet,DalingshanTown,DongguanCity,Guangdong Province Preparedby PreciseTesting&CertificationCo.,Ltd. Building1,No.6,TongxinRoad,DongchengStreet,Dongguan,Guangdong,China ReportNo.:PTC26071407301E-FC01 Page 2 of 41 1TESTRESULTCERTIFICATION Applicant’sname:DongguanTuoxingyuanElectronicIndustrialCo.,Ltd. Address: Room405,Building2,No.1,ZifengStreet,DalingshanTown,Dongguan City,GuangdongProvince Manufacture'sname:DongguanTuoxingyuanElectronicIndustrialCo.,Ltd. Address: Room405,Building2,No.1,ZifengStreet,DalingshanTown,Dongguan City,GuangdongProvince Productname:Doorbell Modelname:I5-9,I5-139 Standards:FCCPart15SubpartC,Paragraph15.249 Testprocedure:ANSIC63.10-2020 TestDate:Aug.03,2026toAug.28,2026 DateofIssue:Aug.28,2026 TestResult:Pass ThisdevicedescribedabovehasbeentestedbyPTC,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonly tothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofPTC,this documentmaybealteredorrevisedbyPTC,personalonly,andshallbenotedintherevisionof thedocument. TestEngineer: Jackzhou/Engineer TechnicalManager: SimonPu/Manager ReportNo.:PTC26071407301E-FC01 Page 3 of 41 Contents Page 1TESTRESULTCERTIFICATION..........................................................................................................................................2 2TESTSUMMARY......................................................................................................................................................................5 2.1TESTSITE.......................................................................................................................................................................6 3GENERALINFORMATION.....................................................................................................................................................7 3.1GENERALDESCRIPTIONOFE.U.T................................................................................................................................7 3.2CHANNELLIST.................................................................................................................................................................8 4EQUIPMENTDURINGTEST..................................................................................................................................................9 4.1EQUIPMENTSLIST...........................................................................................................................................................9 4.2MEASUREMENTUNCERTAINTY.....................................................................................................................................11 4.3DESCRIPTIONOFSUPPORTUNITS..............................................................................................................................11 5CONDUCTEDEMISSION......................................................................................................................................................12 5.1E.U.T.OPERATION.......................................................................................................................................................12 5.2EUTSETUP...................................................................................................................................................................12 5.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION).............................................................................................13 5.4MEASUREMENTPROCEDURE.......................................................................................................................................13 5.5CONDUCTEDEMISSIONLIMIT.......................................................................................................................................13 5.6MEASUREMENTDESCRIPTION......................................................................................................................................13 5.7CONDUCTEDEMISSIONTESTRESULT........................................................................................................................13 6RADIATEDEMISSIONANDBANDEDGE........................................................................................................................16 6.1TESTSTANDARDANDLIMIT.........................................................................................................................................16 6.2TESTSETUP..................................................................................................................................................................17 6.3TESTPROCEDURE........................................................................................................................................................18 6.4TESTDATA....................................................................................................................................................................19 720DBBANDWIDTHTEST....................................................................................................................................................26 7.1TESTSTANDARDANDLIMIT.........................................................................................................................................26 7.2TESTSETUP..................................................................................................................................................................26 7.3TESTPROCEDURE........................................................................................................................................................26 7.4TESTDATA.................................…

Text truncated - open the document above for the full version.

DATE DATE ECN/ECR LEJIN R&D DEPT ENGINEER R&D DEPT APPROVAL Edition/Part number Issued Date: 2026/1/6 CUSTOMER ENGINEER R&D DEPT BUSSINESS DEPTAPPROVED BY Edition/Part number Shenzhen Lejin radio frequency technology Co., LTD SPECIFICATIONS FOR APPROVAL The specification data is the sample antenna data. Due to factors such as the product not being glued to the shell, there may be differences between the trial production machine and the specification data. However, after correction with the trial production machine, the data can remain consistent with the specification data Product Model: P6A Part Number: Write By : Siqi Peng Antenna manufacturer：Shenzhen Lejin radio frequency technology Co., LTD Company Address: 3rd Floor, Building A4, No. 176 Chongqing Road, Fuhai Street, Bao'an District, Shenzhen, Guangdong Province.（Phone number: 13603098741） Customer Name: AILAIKA Product Name: LJP02-23112108-R0A 3、 规格（Product Specification） 4、 测试设备（Test Equipment & Conditions） 5、 性能测试报告（Test Report） 6、 天线图片（Antenna Picture ） Shenzhen Lejin radio frequency technology Co., LTD 目 录 Index 1、 封面 （Cover） 2、 目录 （Index） 113B- 100 Test Equipment & Conditions 1． Network Analyzers :Agilent 5071C 2． Communications Test Set:Agilent E5515C/CMW500/AT8826 3. 3D Chamber Test System(ETS743)/STM23+1 BL1.13-1- 20 ̊C ~ + 50 ̊C- 30 ̊C ~ + 80 ̊C Material & Mechanical CharacteristicsEnvironmental Material of Radiator Cable Type Connector Type Dimension Operation Temperature Storage Temperature ≥0DB 2400 MHz ~2500 MHz <1.5>35%50 OhmLinear Shenzhen Lejin radio frequency technology Co., LTD Electrical Characteristics FrequencyVSWREfficiencyImpedancePolarizationGain Freq (MHz)2400241024202430245024602470248024902500 Effi(%)42.2736.4638.3237.7436.3338.2138.4337.4443.1243.35 Gain(dBi)1.981.151.351.211.081.141.271.052.312.76 Antenna Impedance: WIFI ANT M: 2.4G (Wifi/BT ) ANTM Shenzhen Lejin radio frequency technology Co., LTD

FCCID:2BVTT-I5-9 ConductedEmissions RadiatedSpuriousEmissions From30MHz-1000MHz FCCID:2BVTT-I5-9 TestfrequencyfromAbove1GHz