2A638-WKZF011Stylus Pen

FederalCommunicationsCommission(FCC)Statement.Thisdevicecomplieswithpart15ofthe FCCRules.Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived, includinginterferencethatmaycauseundesiredoperation.Note:Thisequipmenthasbeen testedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttopart15ofthe FCCRules.TheselimitsaredesignedtoprovideReasonableprotectionagainstharmful interferenceinaresidentialinstallation.Thisequipmentgenerates,usesandcanradiateradio frequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycause harmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterference willnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferenceto radioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,the userisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowing measures: •Reorientorrelocatethereceivingantenna. •Increasetheseparationbetweentheequipmentandreceiver. •Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. •Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Warning:ChangesormodificationsmadetothisdevicenotexpresslyapprovedbyDONGGUAN WENKUDIGITALCO.,LTDmayvoidtheFCCauthorizationtooperatethisdevice.Note:The manufacturerisnotresponsibleforanyradioorTVinterferencecausedbyunauthorized modificationstothisequipment.Suchmodificationscouldvoidtheuser’sauthoritytooperate theequipment. RFexposurestatement: ThisdevicecomplieswithFCCRFradiationexposurelimitssetforthforanuncontrolled environment.Thedeviceisinstalledandoperatedwithoutrestriction.

DONGGUANWENKUDIGITALCO.,LTD No.333,YangpoDistrict3,Yangwuvillage,DalangTown,Dongguan,China AgentAuthorization Company:DONGGUANWENKUDIGITALCO.,LTD Address:No.333,YangpoDistrict3,Yangwuvillage,DalangTown,Dongguan,China ProductName:StylusPen ModelNumber(s):WKZF011A,WKZF011B,WKZF011C,WKZF011D ProductDescription:StylusPen WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:Jun.08,2022 Name:BennyZhou Title:ProductionManager Company:DONGGUANWENKUDIGITALCO.,LTD

DONGGUANWENKUDIGITALCO.,LTD No.333,YangpoDistrict3,Yangwuvillage,DalangTown,Dongguan,China Tel: 0769-83319085 Fax:N/A SeriesModelsDescription FCCID:2A638-WKZF011Date:Jun.08,2022 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Towhomitmayconcern: Thedevice(ProductName:StylusPen)ModelsName:WKZF011A,WKZF011B, WKZF011C,WKZF011Dhavesameelectrical,PCBandBOM,onlythecolourand model’snamesaredifferentformarketingrequirements. Sincerely, BennyZhou/ProductionManager

FCCID:2A638-WKZF011Page 1 of 2 ReportNo.:CTL2204277021-WF ExternalPhotosofEUT FCCID:2A638-WKZF011Page 2 of 2 ReportNo.:CTL2204277021-WF

FCC ID: 2A638-WKZF011 Page 1 of 1 Report No.: CTL2204277021-WF FCC-ID Label Information 1. Label location: FCC ID: 2A638-WKZF011

FCCID:2A638-WKZF011Page 1 of 2 ReportNo.:CTL2204277021-WF InternalPhotosofEUT FCCID:2A638-WKZF011Page 2 of 2 ReportNo.:CTL2204277021-WF Antenna

FCCID:2A638-WKZF011Page1of1ReportNo.:CTL2204277021-WF RFExposureLetter Accordingto447498D01GeneralRFExposureGuidancev05The1‐gand10‐g SARtest exclusionthresholdsfor100MHzto6GHzattestseparationdistances≤50mm aredeterminedby:[(max.powerofchannel,includingtune‐uptolerance,mW)/(min. testseparationdistance,mm)]·[√f(GHz)]≤3.0for1‐gSARand≤7.5for10 ‐gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison BT pt=0.53dBm=1.13mWat2440MHz So(1.13mW/5mm)x√2.440GHz=0.3530<3 ThenSARevaluationisnotrequired

V1.0Page1of22ReportNo.:CTL2204277021-WF Appendixfor15.247 ProductName:StylusPen TestModel:WKZF011A 1.DutyCycle 1.1Ant1 1.1.1TestResult Ant1 Mode TX Type Frequency (MHz) T_on (ms) Period (ms) DutyCycle (%) DutyCycle CorrectionFactor(dB) Max.DC Variation(%) 1MSISO 2402100.000100.000100.000.000.00 2440100.000100.000100.000.000.00 2480100.000100.000100.000.000.00 V1.0Page2of22ReportNo.:CTL2204277021-WF 1.1.2TestGraph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV V1.0Page3of22ReportNo.:CTL2204277021-WF 1M_HCH_2480MHz_Ant1_NTNV V1.0Page4of22ReportNo.:CTL2204277021-WF 2.Bandwidth 2.1OBW 2.1.1TestResult Mode TX Type Frequency (MHz) ANT 99%OccupiedBandwidth(MHz) Verdict Result 1MSISO 240211.024Pass 244011.031Pass 248011.038Pass V1.0Page5of22ReportNo.:CTL2204277021-WF 2.1.2TestGraph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV V1.0Page6of22ReportNo.:CTL2204277021-WF 1M_HCH_2480MHz_Ant1_NTNV V1.0Page7of22ReportNo.:CTL2204277021-WF 2.26dBBW 2.2.1TestResult Mode TX Type Frequency (MHz) ANT 6dBBandwidth(MHz) Verdict ResultLimit 1MSISO 240210.725>=0.5Pass 244010.727>=0.5Pass 248010.732>=0.5Pass V1.0Page8of22ReportNo.:CTL2204277021-WF 2.2.2TestGraph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV V1.0Page9of22ReportNo.:CTL2204277021-WF 1M_HCH_2480MHz_Ant1_NTNV V1.0Page10of22ReportNo.:CTL2204277021-WF 3.MaximumConductedOutputPower 3.1Power 3.1.1TestResult Mode TX Type Frequency (MHz) MaximumPeakConductedOutputPower(dBm) Verdict ANT1Limit 1MSISO 2402-0.99<=30Pass 24400.53<=30Pass 24800.49<=30Pass Note1:AntennaGain:Ant1:0.00dBi; V1.0Page11of22ReportNo.:CTL2204277021-WF 3.1.2TestGraph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV V1.0Page12of22ReportNo.:CTL2204277021-WF 1M_HCH_2480MHz_Ant1_NTNV V1.0Page13of22ReportNo.:CTL2204277021-WF 4.MaximumPowerSpectralDensity 4.1PSD 4.1.1TestResult Mode TX Type Frequency (MHz) MaximumPSD(dBm/3kHz) Verdict ANT1Limit 1MSISO 2402-15.07<=8Pass 2440-13.75<=8Pass 2480-13.54<=8Pass Note1:AntennaGain:Ant1:0.00dBi; V1.0Page14of22ReportNo.:CTL2204277021-WF 4.1.2TestGraph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV V1.0Page15of22ReportNo.:CTL2204277021-WF 1M_HCH_2480MHz_Ant1_NTNV V1.0Page16of22ReportNo.:CTL2204277021-WF 5.UnwantedEmissionsInNon-restrictedFrequencyBands 5.1Ref 5.1.1TestResult Mode TX Type Frequency (MHz) ANT LevelofReference (dBm) 1MSISO 24021-1.83 24401-0.38 24801-0.26 Note1:RefertoFCCPart15.247(d)andANSIC63.10-2013,thechannelcontainsthemaximumPSDlevelwasusedto establishthereferencelevel. Note2:RBW=1MHzwasusedduringthepre-test.ThefinaltestwillbeperformedatRBW=100kHzwhilethemarginis lessthan3dB. V1.0Page17of22ReportNo.:CTL2204277021-WF 5.1.2TestGraph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV V1.0Page18of22ReportNo.:CTL2204277021-WF 1M_HCH_2480MHz_Ant1_NTNV V1.0Page19of22ReportNo.:CTL2204277021-WF 5.2CSE 5.2.1TestResult Mode TX Type Frequency (MHz) ANT LevelofReference (dBm) Limit (dBm) Verdict 1MSISO 24021-0.26-20.26Pass 24401-0.26-20.26Pass 24801-0.26-20.26Pass Note1:RefertoFCCPart15.247(d)andANSIC63.10-2013,thechannelcontainsthemaximumPSDlevelwasusedto establishthereferencelevel. Note2:RBW=1MHzwasusedduringthepre-test.ThefinaltestwillbeperformedatRBW=100kHzwhilethemarginis lessthan3dB. V1.0Page20of22ReportNo.:CTL2204277021-WF 5.2.2TestGraph 1M_LCH_2402MHz_Ant1_NTNV 1M_LCH_2402MHz_Ant1_NTNV V1.0Page21of22ReportNo.:CTL2204277021-WF 1M_MCH_2440MHz_Ant1_NTNV 1M_HCH_2480MHz_Ant1_NTNV V1.0Page22of22ReportNo.:CTL2204277021-WF 1M_HCH_2480MHz_Ant1_NTNV

FCCID:2A638-WKZF011Page 1 of 1 ReportNo.:CTL2204277021-WF TestSetupPhotosoftheEUT