2AJLX-XHCK077433 RF Remote Control

ATTENTION Whenyoureceiveorusethisproduct,thefollowingmalfunctions mayoccur.Youcantroubleshoottheproblembyfollowingthe stepsbelow. MalfunctionofRemoteControl Whenthereare2ormorewalkingpadsofourbrand,oranew remotecontroltobeset,youmayneedtorematchtheremote controltothemachinebyfollowingsteps: 1.Holdtheremotecontrollerandaimingittowardsthescreen. 2.PushthePowerbuttonandholdit. 3.Turnonthepowerswitchofwalkingmachine. 4.After5seconds,themachinemakesaquickbeepsoundand showes“0000". 5.PressStartbutton,thenscreenshowescurrentcontroller code. 6.Shutdownthemachine,thenrestart. 7.Nowtheremotecontrollerisrematchedtothemachine,you cancontrolthemachinewithitnow. SPECIFICATION RemotecontrolNo.XHC-K077 RemotecontrolvoltageDC3V RemotecontrolWorkingfrequency433.92MHz RemotecontrolSize120mm(L)*39mm(W)*11.8mm(H) FCCWarning Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterference received,includinginterferencethatmaycauseundesiredoperation. AnyChangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould voidtheuser'sauthoritytooperatetheequipment. Note:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice, pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotection againstharmfulinterferenceinaresidentialinstallation.Thisequipmentgeneratesusesandcanradiate radiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycause harmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnot occurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevision reception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotryto correcttheinterferencebyoneormoreofthefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. -Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. -Consultthedealeroranexperiencedradio/TVtechnicianforhelp. ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevicecanbeusedin portableexposureconditionwithoutrestriction.

-ShenzhenXinhengchengElectronicsCo.,Ltd.- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 4/2/24 Towhomitmayconcern: We,[ShenzhenXinhengchengElectronicsCo.,Ltd.],herebycertifythattheequipmentforwhich authorizationissought(FCCID:[2AJLX-XHCK077])isnot“covered”equipmentprohibitedfrom receivinganequipmentauthorizationpursuantto§2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,wearenotidentifiedontheCovered List(https://www.fcc.gov/supplychain/coveredlist)asanentityproducing“covered”equipment. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(b)and(d)(5)and(6). Sincerely, Signature [WenzhaoLiu] [GeneralManager] [ShenzhenXinhengchengElectronicsCo.,Ltd.] 6 2 _ [ m o d e l ] C o v e r e d E q u _ 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - U , V 0 2

ProjectNo.:18220WC400504Page 1 of 3 AppendixII--ExternalPhotograph ProjectNo.:18220WC400504Page 2 of 3 ProjectNo.:18220WC400504Page 3 of 3

LabelLocationOnEUT Label ModelNo.:XHC-K077 FCCID:2AJLX-XHCK077

ProjectNo.:18220WC400504Page 1 of 3 AppendixIII--InternalPhotograph ProjectNo.:18220WC400504Page 2 of 3 ProjectNo.:18220WC400504Page 3 of 3 ANT

RFEXPOSUREEVALUATION EUTSpecification FCCID:2AJLX-XHCK077 EUT433RFRemoteControl ModelNameXHC-K077 Frequencyband (Operating) WLAN:2.412GHz~2.462GHz WLAN:5.18GHz~5.32GHz/5.50GHz~5.70GHz WLAN:5.745GHz~5825GHz Others(433.92MHz) Devicecategory Portable(<20cmseparation) Mobile(>20cmseparation) Others___ Antennadiversity Singleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Max.outputpower69.03dBuV/m(-26.228dBm)(0.002mW) Antennagain-1.22dBi Evaluationapplied MPEEvaluation SAREvaluation StandardRequirement PortableDevice Accordingto§15.247(i)and§1.1307b(1),systemsoperatingundertheprovisionsofthissection shallbeoperatedinamannerthatensuresthatthepublicisnotexposedtoradiofrequency energylevelsinexcessoftheCommission’sguidelines.SeeKDB447498D01GeneralRF ExposureGuidanceV6,section4.3.1. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances ≤ 50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)] · [ √ f(GHz)] ≤ 3.0for1-gSARand ≤ 7.5for10-gextremitySAR, 16 where · f(GHz)istheRFchanneltransmitfrequencyinGHz · PoweranddistanceareroundedtothenearestmWandmmbeforecalculation17 · Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis ≤ 50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion. MeasurementResult Channel Frequency (GHz) MaxOutput power (dBm) Maxtune-up tolerance Outputpower (dBm) MaxOutput power (dBm) MaxOutput power (mW) Calculation Value (Note1) Threshold Value 0.44392-26.228 -26.228 ± 1 -25.2280.0030.000403.0 EIRP=E-104.8+20logD=69.03-104.8+20log3=-26.228dbm Note1:CalculationValue=[(max.powerofchannel,mW)/(min. testseparationdistance,mm)]·[√f(GHz)]. Foxexample:0.003/5*√0.44392=0.00040≤3.0 AccordingtoKDB447498D01V6,thresholdatwhichnoSARrequiredis≤3.0for1-gSAR, separationdistanceis5mm,andnosimultaneousSARmeasurementisrequired. TheSARmeasurementisnotnecessary.

ReportNo.:18220WC40050401FCCID:2AJLX-XHCK077Page1of27 FCCTestReport Applicant:ShenzhenXinhengchengElectronicsCo.,Ltd. Address: #202,SecondFloor,BuildingA,NanchangFirst IndustrialZone,NanchangCommunity,Xixiang Street,BaoanDistrict,Shenzhen,China ProductName:433RFRemoteControl ReportDate:Apr.01,2024 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC40050401FCCID:2AJLX-XHCK077Page2of27 Contents 1.GeneralInformation.................................................................................................................................5 1.1.ClientInformation...........................................................................................................................5 1.2.DescriptionofDevice(EUT)..........................................................................................................5 1.3.AuxiliaryEquipmentUsedDuringTest..........................................................................................5 1.4.Operationchannellist....................................................................................................................6 1.5.DescriptionofTestModes.............................................................................................................6 1.6.MeasurementUncertainty.............................................................................................................6 1.7.TestSummary................................................................................................................................6 1.8.DescriptionofTestFacility.............................................................................................................7 1.9.Disclaimer......................................................................................................................................7 1.10.TestEquipmentList.....................................................................................................................8 2.Antennarequirement................................................................................................................................9 2.1.Conclusion.....................................................................................................................................9 3.ConductedEmissionatACpowerline..................................................................................................10 3.1.EUTOperation.............................................................................................................................10 3.2.TestSetup....................................................................................................................................10 3.3.TestData......................................................................................................................................10 4.20dBBandwidth.....................................................................................................................................11 4.1.EUTOperation.............................................................................................................................12 4.2.TestSetup....................................................................................................................................12 4.3.TestData......................................................................................................................................12 5.DwellTime..............................................................................................................................................14 5.1.EUTOperation.............................................................................................................................14 5.2.TestSetup....................................................................................................................................14 5.3.TestData......................................................................................................................................14 6.DutyCycle..............................................................................................................................................16 6.1.EUTOperation.............................................................................................................................16 6.2.TestSetup....................................................................................................................................17 6.3.TestData......................................................................................................................................17 7.FieldStrengthofTheFundamentalSignal............................................................................................18 7.1.EUTOperation.............................................................................................................................20 7.2.TestSetup....................................................................................................................................20 7.3.TestData......................................................................................................................................21 8.RadiatedEmission.................................................................................................................................22 8.1.EUTOperation.............................................................................................................................23 8.2.TestSetup....................................................................................................................................23 8.3.TestData......................................................................................................................................24 APPENDIXI--TESTSETUPPHOTOGRAPH.........................................................................................27 APPENDIXII--EXTERNALPHOTOGRAPH...................................................................…

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

version01 ShenzhenXinhengchengElectronicsCo.,Ltd. DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:XHC-K077 FCCID:2AJLX-XHCK077 fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModelNo.ofantenna:N/A Typeofantenna:PCBAntenna Gainoftheantenna:-1.22dBi Frequencyrange:430-435MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:ShenzhenXinhengchengElectronicsCo.,Ltd. Address:#202,SecondFloor,BuildingA,NanchangFirstIndustrialZone,Nanchang Community,XixiangStreet,BaoanDistrict,Shenzhen,China City:Shenzhen ZIP/Postalcode:/ Country:China Place:Date:4/2/2024 Signature:

1/7 ShenzhenXinhengchengElectronicsCo.,Ltd 目录/Catalogue 序号 No. 项目 Item 页码 PageNo. 1 图纸或实物图片 DrawingorProductImage 3 2 技术参数 TechnicalParameter 4 3 射频性能测试报告 RFPerformanceTestReport 5-8 2/7 一.产品图纸或实物图片/DrawingorProductImage 二.TechnicalParameter/技术参数 1.Antenna/天线 No/序号PartName/项目SPEC/规格 1 FrequencyRange/ 频率范围 433.92MHz 2 Impendence/ 阻抗 50ohmnominal 3 Gain/增益-1.22dBi 4 Polarization/极化LINE 5 VSWR/驻波比 ≤ 1.5 6 Efficiency/效率 ≥18% 3/7 2.EnvironmentalCharacteristics/环境特性 No/序号PartName/项目SPEC/规格 1 OperationHumidity/ 工作湿度 5~95%不冷凝 2 OperatingTemperature/ 工作温度 -20~+60°C 3 StoreTemperatuer/ 储存温度 -30~+70 °C 4/7 射频性能测量报告 RFPerformanceTestReport 天线测试设备简介 AntennaTestEquipmentIntroduction 测试天线输入特性使用AgilentE5071CandAgilent5062A矢量网络分析仪；辐射特性利 用Satimo三维近场暗室进行测试，并分别使用8960E5515和AgilentE4438C进行了分析。暗房 的测试坐标如下: TestofantennainputcharacteristicsusingAgilentE5071CandAgilent5062Avectornetwork analyzer;TheradiationpatternoftheantennaaretestedusingtheSatimostarlab3DnearfieldAnechoic Chamber,andtheinstrumentisusedtoagilent8960E5515andAgilentE4438C.Thetestcoordinatesofthe darkroomareasfollows: 1.S11参数测量/S11Parameter-VSWR 使用一根50Ω同轴电缆连接到天线，然后该电缆连接到网络分析仪测量S11参数，被测量产品远 离金属至少20厘米。 MeasuringMethodisa50Ωcoaxialcableisconnectedtotheantenna.Thenthiscableisconnectedtoanetwork analyzertomeasuretheS11parameter,Keepingthisfixtureawayfrommetalatleast20cm. 5/7 S11Parameter 2.天线匹配网络/AntennaMatchingNetwork 6/7 2DPattern Phi=0 Phi=90 Theta=90 7/7 3.Gain&Efficiency-ANT

ProjectNo.:18220WC400504Page 1 of 1 AppendixI--TestSetupPhotograph_RF RadiatedEmission(below1GHz) RadiatedEmission(above1GHz)