2BM8J-LB-WS11Intelligent pet feeder

YongkangLebanPetProductsCo.,Ltd (2026.06.09) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestfor(FCCID:2BM8J-LB-WS11) [YongkangLebanPetProductsCo.,Ltd](“theapplicant”)certifiesthattheequipment forwhichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceiving anequipmentauthorizationpursuanttosection2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,theequipmentdoes notutilizecyber-securityoranti-virussoftwarefromKasperskyLab,Inc,oranyofits successorsandassignees,whichisalsoonthe“coveredlist”. Sincerely, (Applicantsignature) (Applicantprintedname)ShenFeiteng YongkangLebanPetProductsCo.,Ltd (2026.06.09) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestfor(FCCID:2BM8J-LB-WS11) [YongkangLebanPetProductsCo.,Ltd](“theapplicant”)certifiesthat,asofthedateof thefilingoftheapplication,theapplicantisnotidentifiedontheCoveredListasan entityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)ShenFeiteng

YongkangLebanPetProductsCo.,Ltd AgentAuthorizationLetter 2026-06-09 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeShenzhenMostTechnologyServiceCo.,Ltd.toact onourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthe signingofalldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuse Actof1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, Name:ShenFeiteng Position:Manager CompanyName:YongkangLebanPetProductsCo.,Ltd Address:No.5,Building4,FengkangSmallandMicroGarden,YongkangCity, ZhejiangProvince,China Tel/Fax18267035465/18267035465 E-Mail:[email protected]

YongkangLebanPetProductsCo.,Ltd LongTermConfidentialityRequestLetter 2026-06-09 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 USA RE:CONFIDENTIALITYREQUESTFOR(FCCID:2BM8J-LB-WS11) ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459of CFR47.Wehaverequestedthatthe -e.g.Blockdiagram -e.g.SCH -e.g.OperationalDescription requiredtobesubmittedwiththisapplicationbepermanentlywithheldfrompublicreview. Theabovedocumentsarecompanyproprietaryinformationthatcouldnevergetinto thepossessionofyourcompetition. Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, Name:ShenFeiteng Position:Manager CompanyName:YongkangLebanPetProductsCo.,Ltd Address:No.5,Building4,FengkangSmallandMicroGarden,YongkangCity, ZhejiangProvince,China Tel/Fax18267035465/18267035465 E-Mail:[email protected]

Modeldifferenceletter 2026.06.09 DearMETReviewer, ThisisanewApplicationfromPortableMultimediaLimited ModelNo.:LB-WS11,LB-WS12,LB-WS13,LB-WS14,LB-WS15,LB-WS16, LB-WS17,LB-WS18,LB-WS19 UseLB-WS11foralltests . Onlythemodel“LB-WS11”wastested,Their electricalcircuitdesign,layout,componentsusedandinternalwiringare identical,OnlythemodelnameandAppearancecolourisdifferent. Thankyouforyourcooperation! Yourssincerely, Signatory: Name:ShenFeiteng Position:Manager CompanyName:YongkangLebanPetProductsCo.,Ltd Address:No.5,Building4,FengkangSmallandMicroGarden,YongkangCity,Zhejiang Province,China Tel/Fax18267035465/18267035465 E-Mail:[email protected]

ModelNo.:LB-WS11 FRONTVIEWOFSAMPLE BACKVIEWOFSAMPLE ModelNo.:LB-WS11 LEFTVIEWOFSAMPLE RIGHTVIEWOFSAMPLE ModelNo.:LB-WS11 TOPVIEWOFSAMPLE BOTTOMVIEWOFSAMPLE ModelNo.:LB-WS11 Overallphoto

Model:LB-WS11 Intelligentpetfeeder FCCID:2BM8J-LB-WS11

ModelNo.:LB-WS11 Page1of4 INTERNALPHOTOOFSAMPLE INTERNALPHOTOOFSAMPLE ModelNo.:LB-WS11 Page2of4 INTERNALPHOTOOFSAMPLE INTERNALPHOTOOFSAMPLEPCB ModelNo.:LB-WS11 Page3of4 INTERNALPHOTOOFSAMPLEPCB INTERNALPHOTOOFSAMPLEPCB WIFI/BTantenna ModelNo.:LB-WS11 Page4of4 INTERNALPHOTOOFSAMPLEPCB

ShenzhenMostTechnologyServiceCo.,Ltd. EastA,1floorofNewAolinFactorybuiding,LangshanErlu,NorthDistrict, Hi-techIndustryPark,Nanshan,Shenzhen,Guangdong,China RFExposureEvaluationReport ReportReferenceNo. ....................... : FCCID.. ............................................... : MTEB26050058-H 2BM8J-LB-WS11 Compiledby (position+printedname+signature)..:FileadministratorsAlisaLuo Supervisedby (position+printedname+signature) .. :TestEngineerSunnyDeng Approvedby (position+printedname+signature) .. : ManagerYvetteZhou Dateofissue ......................................... :May.11,2026 RepresentativeLaboratoryName . :ShenzhenMostTechnologyServiceCo.,Ltd. Address.................................................: No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark, Nanshan,Shenzhen,Guangdong,China. Applicant’sname...............................:YongkangLebanPetProductsCo.,Ltd Address ................................................. : No.5,Building4,FengkangSmallandMicroGarden,Yongkang City,ZhejiangProvince,China Testspecification/Standard............: 47CFRPart1.1307;47CFRPart1.1310 KDB447498D01GeneralRFExposureGuidancev06 TRFOriginator......................................:ShenzhenMostTechnologyServiceCo.,Ltd. ShenzhenMostTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenMostTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenMostTechnologyServiceCo.,Ltd.takesnoresponsibilityforandwillnotassume liabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. Testitemdescription........................: Intelligentpetfeeder TradeMark ............................................ : N/A Model/Typereference.........................: LB-WS11 ListedModels ...................................... : LB-WS12,LB-WS13,LB-WS14,LB-WS15,LB-WS16,LB-WS17,LB- WS18,LB-WS19 ModulationType..................................:GFSK b:DSSS g/n:OFDM OperationFrequency..........................:From2412MHz~2462MHz 2402MHzto2480MHz HardwareVersion.................................HT24-306 SoftwareVersion...................................1.0.0 Rating.....................................................: DC5VbyUSBPort DC6VbyBatteries Result.....................................................:PASS ReportNo.:MTEB26050058-HPage 2 of 6 TESTREPORT EquipmentunderTest:Intelligentpetfeeder Model/Type:LB-WS11 ListedModels: LB-WS12,LB-WS13,LB-WS14,LB-WS15,LB-WS16,LB-WS17,LB- WS18,LB-WS19 Remark Onlythemodel“LB-WS11”wastested,Theirelectricalcircuit design,layout,componentsusedandinternalwiringareidentical, OnlythemodelnameandAppearancecolourisdifferent. Applicant:YongkangLebanPetProductsCo.,Ltd Address: No.5,Building4,FengkangSmallandMicroGarden,Yongkang City,ZhejiangProvince,China Manufacturer:YongkangLebanPetProductsCo.,Ltd Address : No.5,Building4,FengkangSmallandMicroGarden,Yongkang City,ZhejiangProvince,China TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:MTEB26050058-HPage 3 of 6 1.RevisionHistory RevisionIssueDateRevisionsRevisedBy 00 2026.05.11 InitialIssueAlisaLuo ReportNo.:MTEB26050058-HPage 4 of 6 2.SAREvaluation 2.1RFExposureComplianceRequirement 2.1.1StandardRequirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06 4.3.1.StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheador bodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementor numericalsimulation,isnotrequiredwhenthecorrespondingSARExclusionThresholdcondition,listed below,issatisfied. 2.1.2Limits AccordingtoFCCPart1.1310:Thecriterialistedinthefollowingtableshallbeusedtoevaluatethe environmentimpactofhumanexposuretoradiofrequency(RF)radiationasspecifiedinpart1.1307(b) F=FrequencyinMHz FriisFormula Friistransmissionformula:Pd=(Pout*G)/(4*Pi*R 2 )Where Pd=powerdensityinmW/cm 2 Pout=outputpowertoantennainmW G=gainofantennainlinearscale Pi=3.1416 R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 Ifweknowthemaximumgainoftheantennaandthetotalpowerinput totheantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. ReportNo.:MTEB26050058-HPage 5 of 6 2.1.3EUTRFExposure BLE GFSK Testchannel PeakOutputPower (dBm) Tuneuptolerance (dBm) Maximumtune-upPower (dBm) Lowest(2402MHz)2.852.85±13.85 Middle(2440MHz)3.753.75±14.75 Highest(2480MHz)4.124.12±15.12 BLE Worstcase:GFSK Channel Maximum tune-upPower (dBm) Maximumtune-up Power (MW) AntennaGain (dBi) Power Density atR=20 cm (mW/cm 2 ) LimitResult Highest(2480MHz)5.123.252.540.00111.0Pass Note:1)RefertoreportMTEB26050058-R1forEUTtestMaxConductedaverageOutputPowervalue. Note:2)Pd=(Pout*G)/(4*Pi*R2)=(3.25*1.79)/(4*3.1416*20 2 )=0.0011 ReportNo.:MTEB26050058-HPage 6 of 6 WIFI2.4G 802.11b Testchannel PeakOutputPower (dBm) Tuneuptolerance (dBm) Maximumtune-upPower (dBm) Lowest(2412MHz)16.088416.0884±117.0884 Middle(2437MHz)17.908817.9088±118.9088 Highest(2462MHz)17.618417.6184±118.6184 802.11g Testchannel PeakOutputPower (dBm) Tuneuptolerance (dBm) Maximumtune-upPower (dBm) Lowest(2412MHz)16.375116.3751±117.3751 Middle(2437MHz)17.435117.4351±118.4351 Highest(2462MHz)17.175517.1755±118.1755 802.11n(H20) Testchannel PeakOutputPower (dBm) Tuneuptolerance (dBm) Maximumtune-upPower (dBm) Lowest(2412MHz)16.713616.7136±117.7136 Middle(2437MHz)16.713616.7136±117.7136 Highest(2462MHz)17.591317.5913±118.5913 Worstcase: 802.11b Channel Maximum tune-upPower (dBm) Maximumtune-up Power (MW) AntennaGain (dBi) Power Density atR=20 cm (mW/cm 2 ) LimitResult Middle(2437MHz)18.908877.7822.540.02771.0Pass Note:1)RefertoreportMTEB26050058-RforEUTtestMaxConductedaverageOutputPowervalue. Note:2)Pd=(Pout*G)/(4*Pi*R2)=(77.782*1.79)/(4*3.1416*20 2 )=0.0277 .......................THEENDOFREPORT..................…

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ShenzhenMostTechnologyServiceCo.,Ltd. No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark,Nanshan, Shenzhen,Guangdong,China. TESTREPORT FCCRulesPart15.247 ReportReferenceNo........................: FCCID................................................: MTEB26050058-R1 2BM8J-LB-WS11 Compiledby (position+printedname+signature)..:FileadministratorsAlisaLuo Supervisedby (position+printedname+signature)..:TestEngineerSunnyDeng Approvedby (position+printedname+signature)..: ManagerYvetteZhou Dateofissue.........................................:May.11,2026 RepresentativeLaboratoryName.:ShenzhenMostTechnologyServiceCo.,Ltd. Address ................................................. : No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark, Nanshan,Shenzhen,Guangdong,China. Applicant’sname...............................:YongkangLebanPetProductsCo.,Ltd Address.................................................: No.5,Building4,FengkangSmallandMicroGarden,Yongkang City,ZhejiangProvince,China Testspecification/Standard ............ : FCCRulesPart15.247 TRFOriginator......................................:ShenzhenMostTechnologyServiceCo.,Ltd. ShenzhenMostTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenMostTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenMostTechnologyServiceCo.,Ltd.takesnoresponsibilityforandwillnotassume liabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. Testitemdescription........................: Intelligentpetfeeder TradeMark...........................: N/A Model/Typereference.........................: LB-WS11 ListedModels ..................................... : LB-WS12,LB-WS13,LB-WS14,LB-WS15,LB-WS16,LB-WS17,LB- WS18,LB-WS19 ModulationType..................................: GFSK OperationFrequency..........................: From2402MHzto2480MHz HardwareVersion................................. HT24-306 SoftwareVersion................................... 1.0.0 Rating ..................................................... : DC5VbyUSBPort DC6VbyBatteries Result ..................................................... :PASS ReportNo.:MTEB26050058-R1Page 2 of 37 TESTREPORT EquipmentunderTest:Intelligentpetfeeder Model/Type:LB-WS11 ListedModels: LB-WS12,LB-WS13,LB-WS14,LB-WS15,LB-WS16,LB-WS17,LB- WS18,LB-WS19 Remark Onlythemodel“LB-WS11”wastested,Theirelectricalcircuit design,layout,componentsusedandinternalwiringareidentical, OnlythemodelnameandAppearancecolourisdifferent. Applicant:YongkangLebanPetProductsCo.,Ltd Address: No.5,Building4,FengkangSmallandMicroGarden,Yongkang City,ZhejiangProvince,China Manufacturer:YongkangLebanPetProductsCo.,Ltd Address : No.5,Building4,FengkangSmallandMicroGarden,Yongkang City,ZhejiangProvince,China TestResult : PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:MTEB26050058-R1Page 3 of 37 Contents 1.REVISIONHISTORY.........................................................................................................................4 2.TESTSTANDARDS............................................................................................................................5 3.SUMMARY...............................................................................................................................................6 3.1.GeneralRemarks.........................................................................................................................................6 3.2.ProductDescription....................................................................................................................................6 3.3.EquipmentUnderTest................................................................................................................................6 3.4.ShortdescriptionoftheEquipmentunderTest(EUT)............................................................................6 3.5.EUToperationmode....................................................................................................................................7 3.6.BlockDiagramofTestSetup......................................................................................................................7 3.7.TestItem(EquipmentUnderTest)Description*.......................................................................................7 3.8.AuxiliaryEquipment(AE)Description.......................................................................................................7 3.9.AntennaInformation*..................................................................................................................................8 3.10.EUTconfiguration......................................................................................................................................8 3.11.Modifications..............................................................................................................................................8 4.TESTENVIRONMENT.......................................................................................................................9 4.1.Addressofthetestlaboratory...................................................................................................................9 4.2.Environmentalconditions...........................................................................................................................9 4.3.TestDescription.........................................................................................................................................10 4.4.Statementofthemeasurementuncertainty...........................................................................................10 4.5.EquipmentsUsedduringtheTest...........................................................................................…

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ShenzhenMostTechnologyServiceCo.,Ltd. No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark,Nanshan, Shenzhen,Guangdong,China. FCCPART15SUBPARTCTESTREPORT FCCPART15.247 ReportReferenceNo........................: FCCID.................................................: MTEB26050058-R 2BM8J-LB-WS11 Compiledby (position+printedname+signature) .. :FileadministratorsAlisaLuo Supervisedby (position+printedname+signature)..:TestEngineerSunnyDeng Approvedby (position+printedname+signature) .. : ManagerYvetteZhou Dateofissue ......................................... :May.11,2026 RepresentativeLaboratoryName . :ShenzhenMostTechnologyServiceCo.,Ltd. Address.................................................: No.5,2ndLangshanRoad,NorthDistrict,Hi-techIndustrialPark, Nanshan,Shenzhen,Guangdong,China. Applicant’sname...............................:YongkangLebanPetProductsCo.,Ltd Address ................................................. : No.5,Building4,FengkangSmallandMicroGarden,YongkangCity, ZhejiangProvince,China Testspecification..............................: Standard................................................:FCCPart15.247 TRFOriginator......................................:ShenzhenMostTechnologyServiceCo.,Ltd. ShenzhenMostTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongastheShenzhen MostTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerandsourceofthematerial.Shenzhen MostTechnologyServiceCo.,Ltd.takesnoresponsibilityforandwillnotassumeliabilityfordamages resultingfromthereader'sinterpretationofthereproducedmaterialduetoitsplacementandcontext. Testitemdescription ........................ : Intelligentpetfeeder TradeMark............................................: N/A Model/Typereference.........................: LB-WS11 ListedModels......................................: LB-WS12,LB-WS13,LB-WS14,LB-WS15,LB-WS16,LB-WS17,LB- WS18,LB-WS19 ModulationType .................................. :b:DSSS g/n:OFDM OperationFrequency .......................... :802.11b/802.11g/802.11n(H20):2412MHz~2462MHz Rating.....................................................: DC5VbyUSBPort DC6VbyBatteries Hardwareversion.................................:HT24-306 Softwareversion.................................:1.0.0 Result.....................................................:PASS ReportNo.:MTEB26050058-RPage 2 of 42 TESTREPORT EquipmentunderTest:Intelligentpetfeeder Model/Type:LB-WS11 ListedModels: LB-WS12,LB-WS13,LB-WS14,LB-WS15,LB-WS16,LB-WS17,LB- WS18,LB-WS19 Remark Onlythemodel“LB-WS11”wastested,Theirelectricalcircuit design,layout,componentsusedandinternalwiringareidentical, OnlythemodelnameandAppearancecolourisdifferent. Applicant:YongkangLebanPetProductsCo.,Ltd Address: No.5,Building4,FengkangSmallandMicroGarden,Yongkang City,ZhejiangProvince,China Manufacturer:YongkangLebanPetProductsCo.,Ltd Address : No.5,Building4,FengkangSmallandMicroGarden,Yongkang City,ZhejiangProvince,China TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:MTEB26050058-RPage 3 of 42 Contents 1REVISIONHISTORY...........................................................................................................................4 2TESTSTANDARDS..............................................................................................................................5 3SUMMARY.................................................................................................................................................6 3.1GeneralRemarks..........................................................................................................................................6 3.2ProductDescription.....................................................................................................................................6 3.3EquipmentUnderTest.................................................................................................................................6 3.4ShortdescriptionoftheEquipmentunderTest(EUT).............................................................................6 3.5EUToperationmode.....................................................................................................................................6 3.6BlockDiagramofTestSetup.......................................................................................................................7 3.7TestItem(EquipmentUnderTest)Description*........................................................................................7 3.8AuxiliaryEquipment(AE)Description........................................................................................................7 3.9AntennaInformation*...................................................................................................................................7 3.10RelatedSubmittal(s)/Grant(s).................................................................................................................7 3.11Modifications...............................................................................................................................................8 3.12EUTconfiguration.......................................................................................................................................8 4TESTENVIRONMENT........................................................................................................................9 4.1Addressofthetestlaboratory....................................................................................................................9 4.2TestFacility...................................................................................................................................................9 4.3Environmentalconditions........................................................................................................…

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ReportNo.:MTEB26050058-RPage 36 of 42 30.0MHz-25000.0MHz IEEE802.11b_Channel1_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11b_Channel6_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11b_Channel6_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11b_Channel11_20MHz_Antenna0 OutOfBandEmission IEEE802.11b_Channel11_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11b_Channel11_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11g_Channel1_20MHz_Antenna0 OutOfBandEmission IEEE802.11g_Channel1_20MHz_Antenna0 ReportNo.:MTEB26050058-RPage 37 of 42 30.0MHz-25000.0MHz IEEE802.11g_Channel1_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11g_Channel6_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11g_Channel6_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11g_Channel11_20MHz_Antenna0 OutOfBandEmission IEEE802.11g_Channel11_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11g_Channel11_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11n_Channel1_20MHz_Antenna0 OutOfBandEmission IEEE802.11n_Channel1_20MHz_Antenna0 ReportNo.:MTEB26050058-RPage 38 of 42 30.0MHz-25000.0MHz IEEE802.11n_Channel1_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11n_Channel6_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11n_Channel6_20MHz_Antenna0 In-BandReferenceLevel IEEE802.11n_Channel11_20MHz_Antenna0 OutOfBandEmission IEEE802.11n_Channel11_20MHz_Antenna0 30.0MHz-25000.0MHz IEEE802.11n_Channel11_20MHz_Antenna0 ReportNo.:MTEB26050058-RPage 39 of 42 APPENDIXV.DutyCycle TestResult Mode Data rates ChannelAntenna OnTime (ms) Period (ms) Duty Cycle (%) Duty Cycle (linear) Duty Cycle Factor (dB) 1/T IEEE 802.11b 11 1 1 3.1713.19999.120.99120.03840.3154 63.1703.19999.110.99110.03880.3155 113.1713.19999.120.99120.03840.3154 IEEE 802.11g 54 10.6300.65596.270.96270.16511.5873 60.6300.65596.270.96270.16511.5873 110.6300.65496.260.96260.16551.5873 IEEE 802.11n_20 MCS7 10.5450.57095.640.95640.19361.8349 60.5450.57095.640.95640.19361.8349 110.5460.57095.690.95690.19131.8315 TestGraphs IEEE802.11b_20MHz_Channel1IEEE802.11b_20MHz_Channel6 IEEE802.11b_20MHz_Channel11IEEE802.11g_20MHz_Channel1 IEEE802.11g_20MHz_Channel6IEEE802.11g_20MHz_Channel11 ReportNo.:MTEB26050058-RPage 40 of 42 IEEE802.11n_20MHz_Channel1IEEE802.11n_20MHz_Channel6 IEEE802.11n_20MHz_Channel11 ReportNo.:MTEB26050058-RPage 41 of 42 APPENDIXVI.PowerSpectralDensity TestResult ModeChannel PSD (dBm/3kHz) Ant.0 DutyCycle Factor(dB) PSD (dBm/3kHz) Limit (dBm/3kHz) Result IEEE802.11b 1-12.4900.0384-12.4516 ≤8 PASS 6-10.2000.0388-10.1612PASS 11-10.3500.0384-10.3116PASS IEEE802.11g 1-17.0400.1651-16.8749PASS 6-15.7700.1651-15.6049PASS 11-15.8400.1655-15.6745PASS IEEE 802.11n_20 1-15.8000.1936-15.6064PASS 6-15.6500.1936-15.4564PASS 11-14.6900.1913-14.4987PASS TestGraphs IEEE802.11b_Channel1_20MHz_Antenna0IEEE802.11b_Channel6_20MHz_Antenna0 IEEE802.11b_Channel11_20MHz_Antenna0IEEE802.11g_Channel1_20MHz_Antenna0 IEEE802.11g_Channel6_20MHz_Antenna0IEEE802.11g_Channel11_20MHz_Antenna0 ReportNo.:MTEB26050058-RPage 42 of 42 IEEE802.11n_Channel1_20MHz_Antenna0IEEE802.11n_Channel6_20MHz_Antenna0 IEEE802.11n_Channel11_20MHz_Antenna0 **********************EndofReport**********************

AntennaSpecification Manufacture：TUYA ProductName：WBR3Antenna AntennaType：PCB TestDate：2021.05.20 Testedby：LongWang Approvedby：Licco Content 1.GeneralDescription.................................................................................1 2.TestConfigurations...................................................................................2 2.1TestEnvironment............................................................................2 2.2TestEquipment...............................................................................2 2.3TestPrinciple...................................................................................2 3.TestResults..............................................................................................3 3.1GainandEfficiency..........................................................................3 3.2RadiationPattern............................................................................4 4.AntennaDimensions................................................................................6 5.EUTPhoto................................................................................................6 6.TestSetupPhoto......................................................................................7 1 1.GeneralDescription ManufacturerHangzhouTuyaInformationTechnologyCo.,Ltd Address Room701,Building3,MoreCenter,No.87GuDunRoad, Hangzhou,Zhejiang,China TestLocation Room106,Building3,LetongSciencePark,No.500, QiuyiRoad,BinjiangDistrict,Hangzhou ProductNameWBR3Antenna Productmodel WBR3 AntennaType PCBAntenna TestItems Gain;Efficiency;RadiationPattern TestFrequency 2400-2500MHz TestStandard ANSI/IEEEStd149-1979 2 2.TestConfigurations 2.1TestEnvironment Temperature(°C)25 Humidity(%RH)60 AtmosphericPressure(kPa)100.5 2.2TestEquipment TestSystemTEM24Multi-probeMicrowaveChamber TestInstrumentAgilentE5071B 2.3TestPrinciple 3 3.TestResults 3.1GainandEfficiency Frequency(MHz)PeakGain(dBi)Efficiency(%) 2400 1.6252.29 2410 1.7152.17 2420 1.9353.14 2430 1.9854.16 2440 2.0057.62 2450 2.1759.64 2460 2.4561.55 2470 2.3860.64 2480 2.5462.86 2490 2.3059.85 2500 2.4960.41 4 3.2RadiationPattern Phi02D Phi902D 5 Theta902D 2480MHz3D 6 4.AntennaDimensions 5.EUTPhoto 7 6.TestSetupPhoto

ModelNo.:LB-WS11 CETESTSETUP RETESTSETUP ModelNo.:LB-WS11 RETESTSETUP