2BTJW-KIKAIDA33-Mode Fingerprint Mouse

AttestationStatements (December23,2025) TO:FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046,USA RE:AttestationStatementsPart2.911(d)(7)requestfor(FCCID:2BTJW-KIKAIDA3) (ShenzhenKikaSecurityInformationTecCo.,Ltd),theundersigned,herebyauthorize XINNAISIINCtoactasourdesignatedU.S.agentforserviceofprocess,(ShenzhenKika SecurityInformationTecCo.,Ltd)acceptstomaintainanagentfornolessthanone yearafterthegranteehasterminatedallmarketingandimportationortheconclusion ofanyCommission-relatedproceedinginvolvingtheequipment. XINNAISIINCacceptstheresponsibilitytoactasdesignatedU.S.agentforserviceof process. ApplicantInformation： CompanyName:ShenzhenKikaSecurityInformationTecCo.,Ltd ContactName:JUNZHOU Address:RmA507,HuaChuangDa,No.38,FanShenRd,Baoan,Shenzhen,Guangdong, China FRN:0037722725 TelephoneNo:13266660859 Email:[email protected] Signature [JUNZHOU] U.S.AgentInformation: CompanyName:XINNAISIINC Address:1500NGRANTSTSTER,DENVER,CO80203 FRN:0037518289 ContactName:KiKi TelephoneNo:+01(951)893-3011 Email:[email protected] Signature [KiKi]

(ShenzhenKikaSecurityInformationTecCo.,Ltd.) (Dec23.2025) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestfor(FCCID:2BTJW-KIKAIDA3) [ShenzhenKikaSecurityInformationTecCo.,Ltd.](“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibited fromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,theequipmentdoes notutilizecyber-securityoranti-virussoftwarefromKasperskyLab,Inc,oranyofits successorsandassignees,whichisalsoonthe“coveredlist”. Sincerely, (Applicantsignature): (Applicantprintedname):JUNZHOU (ShenzhenKikaSecurityInformationTecCo.,Ltd) (Dec23.2025) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestfor(FCCID:2BTJW-KIKAIDA3) [(ShenzhenKikaSecurityInformationTecCo.,Ltd.](“theapplicant”)certifiesthat,asof thedateofthefilingoftheapplication,theapplicantisnotidentifiedontheCovered Listasanentityproducing“covered”equipment. Sincerely, (Applicantsignature): (Applicantprintedname):JUNZHOU

ShenzhenKikaSecurityInformationTecCo.,Ltd. (2025-12-23) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:CONFIDENTIALITYREQUESTFOR(3-ModeFingerprintMouse/ KikaIDA3#FCCID::2BTJW-KIKAIDA3#) ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459 ofCFR47.Wehaverequestedthatthe SchematicDiagram BlockDiagram OperationalDescription Requiredtobesubmittedwiththisapplicationbepermanentlywithheldfrompublic review. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, Signature JUNZHOU/Manager Date/City:Suzhou Phone:13266660859 Fax:13266660859 E-mail:[email protected]

ShenzhenKikaSecurityInformationTecCo.,Ltd. (2025-12-23) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorize (ShenzhenHongBiaoCertification&TestingCo.,Ltd Room102,201,Building2,YuanwangguRFIDIndustrialPark,TongguanRoad,Tianliao Community,YutangStreet,GuangmingDistrict,Shenzhen,China LeoSu [email protected]) toactonourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,including thesigningofalldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseAct of1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, JUNZHOU/Manager Date/City:2025-11-21/Suzhou,Jiangsu Phone:13266660859 Fax:13266660859 E-mail:[email protected]

ShenzhenKikaSecurityInformationTecCo.,Ltd. (2025-12-23) EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:ShortTermConfidentialityRequestFor(3-ModeFingerprintMouse/ KikaIDA3#FCCID::2BTJW-KIKAIDA3#) ToWhomItMayConcern: Inaccordancewithsections0.457and0.459ofCFR47,<ShenzhenKikaSecurity InformationTecCo.,Ltd.>.requestsshort-termConfidentialityoffollowingsections ofthisapplicationforaperiodof45daysaftergrantisissued. Testsetupphotos Internalphotos User’smanual Thesedocumentscontaindetailedsystemandequipmentdescriptionsandrelated informationabouttheproduct,which<ShenzhenKikaSecurityInformationTecCo., Ltd.>considerstobeproprietary,confidential,andacustomdesignandotherwise, wouldnotreleasetothegeneralpublic.Sincethisdesignisabasisfromwhichfuture technologicalproductswillevolve,<ShenzhenKikaSecurityInformationTecCo., Ltd.>feelsthatthisinformationwouldbeofbenefittoitscompetitors,andthatthe disclosureoftheinformationinthesedocumentswouldgiveourcompetitorsanunfair advantageinthemarket. Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, JUNZHOU/Manager Date/City:2025-12-23/GuangDong,HuiZhuo Phone:13266660859 Fax:13266660859 E-mail:[email protected]

version01 ShenzhenKikaSecurityInformationTecCo.,Ltd. Modeldifferencestatement Itisherebydeclaredthattheproduct FCCID:2BTJW-KIKAIDA3 ProductName:3-ModeFingerprintMouse Model(s):KikaIDA3,KikaIDA4,KikaIDA5,KikaIDA6,KikaIDA7,KikaIDA8 Mark:KikaID Theabove-mentionedproductssharethesamecircuitry,PCBlayout,electricalcomponents,materials, circuitstructureanddecorativeaccessories'materials.However,theirshapesandsizesarethesame, whiletheircolorsaredifferent. Sincerely, Signature Name:JUNZHOU Title:Manager ApplicantCompany:ShenzhenKikaSecurityInformationTecCo.,Ltd.

Externalphotos Photo1 Photo2 Photo3 Photo4 Photo5 Photo6 Photo7

FCCID:2BTJW-KIKAIDA3 FCCLabelSample FCCLabelSpecifications TextisBlackincolorandisjustified.Labelsareprintedinindelibleinkonpermanent adhesivebackingorsilk-screenedontotheEUTorshallbeaffixedataconspicuouslocation ontheEUT.WheretheEUTisconstructedintwoormoresectionsconnectedbywiresand marketedtogether,theabovestatementisrequiredtobeaffixedonlytothemaincontrol unit.WhentheEUTissosmallorforsuchusethatitisnotpracticabletoplacethestatement onit,theaboveinformationshallbeplacedinaprominentlocationintheinstructionmanual orpamphletsuppliedtotheuseror,alternatively,shallbeplacedonthecontainerinwhich thedeviceismarketed. FCCLabelLocation Size:10mm*8mm FCCID:2BTJW-KIKAIDA3 LabelLocation

FCCID:2BTJW-KIKAIDA3 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093，Unlessspecifically requiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-g extremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARTestExclusionThresholdcondition(s),listed below,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtestexclusion thresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevicecanbeusedin portableexposureconditionwithoutrestriction. For2.4G Modulation system Frequency(MHz) Max Conducted Power(dBm) Power(W)Power(mW) Min. distance(mm) Calc. thresholds limit GFSK24801.250.00133351.33355 0.41995 3.0 ForSoaSARtestisnotrequired

-Page 1 of 39 -ReportNo.:HB20251126003E-01 Add:Room102,201,Building2,YuanwangguRFIDIndustrialPark,TongguanRoad,TianliaoCommunity,YutangStreet,GuangmingDistrict,Shenzhen,China Tel:(86-755)29989321Fax:(86-755)29985110Web:www.sz-hongbiao.com TestReport Product: 3-ModeFingerprintMouse TradeMark: KikaID ModelNumber: KikaIDA3,KikaIDA4,KikaIDA5, KikaIDA6,KikaIDA7,KikaIDA8 FCCID: 2BTJW-KIKAIDA3 Preparedfor ShenzhenKikaSecurityInformationTecCo.,Ltd. RmA507,HuaChuangDa,No.38,FanShenRd,Baoan,Shenzhen, Guangdong,China Preparedby ShenzhenHongBiaoCertification&TestingCo.,Ltd. Room102,201,Building2,YuanwangguRFIDIndustrialPark,Tongguan Road,TianliaoCommunity,YutangStreet,GuangmingDistrict,Shenzhen, China Tel.:+86-755-29989321Fax.:+86-755-29985110 Website:http://www.sz-hongbiao.com -Page 2 of 39 -ReportNo.:HB20251126003E-01 Add:Room102,201,Building2,YuanwangguRFIDIndustrialPark,TongguanRoad,TianliaoCommunity,YutangStreet,GuangmingDistrict,Shenzhen,China Tel:(86-755)29989321Fax:(86-755)29985110Web:www.sz-hongbiao.com TableofContents 1GENERALDESCRIPTION........................................................................................................................................6 1.1DESCRIPTIONOFEUT.................................................................................................................................................6 1.2TESTMODE...............................................................................................................................................................6 1.3OPERATIONCHANNELLIST...........................................................................................................................................7 1.4TESTSETUP...............................................................................................................................................................7 1.5POWERSETTINGCONFIGURATIONPARAMETERS................................................................................................................7 1.6ANCILLARYEQUIPMENT...............................................................................................................................................7 2SUMMARYOFTESTRESULT..................................................................................................................................8 3TESTFACILITIESANDACCREDITATIONS................................................................................................................9 3.1TESTLABORATORY......................................................................................................................................................9 3.2ENVIRONMENTALCONDITIONS......................................................................................................................................9 3.3MEASUREMENTUNCERTAINTY......................................................................................................................................9 3.4TESTSOFTWARE.......................................................................................................................................................10 4LISTOFTESTEQUIPMENT...................................................................................................................................11 5TESTITEMANDRESULTS....................................................................................................................................13 5.1ANTENNAREQUIREMENT...........................................................................................................................................13 5.1.1StandardRequirement..............................................................................................................................13 5.1.2TestResult..................................................................................................................................................13 5.2CONDUCTEDEMISSION..............................................................................................................................................14 5.2.1Limits..........................................................................................................................................................14 5.2.2TestProcedures..........................................................................................................................................14 5.2.3TestSetup...................................................................................................................................................15 5.2.4TestResult..................................................................................................................................................15 5.3RADIATEDEMISSION.................................................................................................................................................18 5.3.1Limits..........................................................................................................................................................18 5.3.2TestProcedures..........................................................................................................................................18 5.3.3TestSetup...................................................................................................................................................18 5.3.4TestResult..................................................................................................................................................19 5.3.5BandEdge-Radiated................................................................................................................................23 5.3.6Spuriousemissioninrestrictedband1000MHz-25000MHz....................................................................24 5.4PEAKOUTPUTPOWER....................................................................................................................................…

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PCB Antenna for BLE Chips of WCH 1、Dimension of Antenna 2、Features  Dimension: 5.6*12.3mm  Terminal impedance: 50 ohm  Max Gain: 2.1dBi  RF Frequency: 2.4GHz 3、Sparameter Working bandwidth: 157MHz S11：[email protected] Manufacturer's NameShenzhen Kika Security Information Tec Co., Ltd. AddressRm A507, HuaChuangDa, No.38, FanShen Rd, Baoan, Shenzhen, Guangdong, China 4、Gain and Radiation pattern 2.4GHz: E plane： H plane： 2.44GHz： E plane： H plane： 2.48GHz: E plane： H plane：