2BTHH-E01Electronic badge

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BTHH-E01E01,E01A,E01B,E01C,E01S We, Applicant CompanyName:ShenzhenLeyouzhichuangTechnologyCo., Ltd. Address:Room202,Workshop2,ZhidaIndustrial Park,No.4,LongpingWestRoad,Shengping Community,LongchengSub-district, LonggangDistrict,ShenzhenCity Phone:18316033956 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-06-03 SignatureDate PrintedNameofSignee:WeizhenLin Company:ShenzhenLeyouzhichuang TechnologyCo.,Ltd. Phone:17589178090 Email:[email protected] Address:Room202,Workshop2,Zhida IndustrialPark,No.4,LongpingWestRoad, ShengpingCommunity,LongchengSub- district,LonggangDistrict,ShenzhenCity Fax:N/A

Shenzhen Leyouzhichuang Technology Co., Ltd. Room 202, Workshop 2, Zhida Industrial Park, No. 4, Longping West Road, Shengping Community, Longcheng Sub-district, Longgang District, Shenzhen City Date: 2026-06-03 FCC ID: 2BTHH-E01 Model Number: E01,E01A,E01B,E01C,E01S To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We,Shenzhen Leyouzhichuang Technology Co., Ltd. hereby declare that our product (Electronic badge) Model Number: E01,E01A,E01B,E01C,E01S, they are electrical identical, the Schematic, PCB layout, structure and software are same, only the color of the product’s shell is different. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name / Title: Weizhen Lin/ Engineer Company: Shenzhen Leyouzhichuang Technology Co., Ltd. Address: Room 202, Workshop 2, Zhida Industrial Park, No. 4, Longping West Road, Shengping Community, Longcheng Sub-district, Longgang District, Shenzhen City Phone: 17589178090 Fax Number: N/A E-Mail: [email protected]

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2BTHH-E01E01,E01A,E01B,E01C,E01S Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2026-06-03 SignatureDate PrintedNameofSignee/Title:WeizhenLin/Engineer Company:ShenzhenLeyouzhichuangTechnologyCo.,Ltd. Address:Room202,Workshop2,ZhidaIndustrialPark,No.4, LongpingWestRoad,ShengpingCommunity,Longcheng Sub-district,LonggangDistrict,ShenzhenCity Phone:17589178090 Fax:-- Email:[email protected]

ReportNo.:CISRR26052322301 Page 60 of 64 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR26052322301 Page 61 of 64 ReportNo.:CISRR26052322301 Page 62 of 64

Label Size:20mm*9mm Productname:Electronicbadge ModelName:E01 FCCID:2BTHH-E01 LabelLocation

ReportNo.:CISRR26052322301 Page 63 of 64 9.2.InternalPhotos ReportNo.:CISRR26052322301 Page 64 of 64 ------Endofthereport----- ANT

ReportNo.: CISRR26052322303 Reporttemplateversion:CISE-TR-001-A0Page:1of6 TESTREPORT RFExposureEvaluation ReportNo.: CISRR26052322303 ProjectNo.: CISR260523223 FCCID:2BTHH-E01 Applicant:ShenzhenLeyouzhichuangTechnologyCo.,Ltd. Address: Room202,Workshop2,ZhidaIndustrialPark,No.4,LongpingWest Road,ShengpingCommunity,LongchengSub-district,Longgang District,Shenzhen,China Manufacturer: ShenzhenLeyouzhichuangTechnologyCo.,Ltd. Address: Room202,Workshop2,ZhidaIndustrialPark,No.4,LongpingWest Road,ShengpingCommunity,LongchengSub-district,Longgang District,Shenzhen,China ProductName: Electronicbadge TradeMark: - Model/Typereference: E01 ListedModel(s):E01A,E01B,E01C,E01S Standard:47CFRPart2.1093 Issuedate:June2,2026 Testresult:Complied Reviewedby:MorganTan Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.: CISRR26052322303 Reporttemplateversion:CISE-TR-001-A0Page:2of6 Contents 1.APPLICABLESTANDARD..............................................................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.RADIOSPECIFICATIONDESCRIPTION........................................................................................................4 4.SIMULTANEOUSTRANSMISSIONANALYSIS.............................................................................................4 5.TESTRESULT.................................................................................................................................................5 5.1.STANDALONETRANSMISSION.................................................................................................................5 5.2.SIMULTANEOUSTRANSMISSION.............................................................................................................6 ReportNo.: CISRR26052322303 Reporttemplateversion:CISE-TR-001-A0Page:3of6 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–2019:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00June2,2026Original ReportNo.: CISRR26052322303 Reporttemplateversion:CISE-TR-001-A0Page:4of6 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThesedevicesuseasingletransmittermoduleandantennaforbothBT,BTcannottransmitsimultaneously. ReportNo.: CISRR26052322303 Reporttemplateversion:CISE-TR-001-A0Page:5of6 5.TESTRESULT 5.1.Standalonetransmission Limit: KDB447498D01v06,Clause4.3.1a) For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-g SARtestexclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation31The resultisroundedtoonedecimalplaceforcomparison Thevalues3.0and7.5arereferredtoasnumericthresholdsinstepb)below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm, andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto4.1f)isappliedtodetermine SARtestexclusion. Result: Passed TestData Radiotype Frequency (GHz) Maximum output power #1 (dBm) Antenna gain #2 (dBi) Maximum EIRP #3 (dBm) Maximum tune-up EIRP #4 (dBm) Minimum distance (mm) Evaluated value LimitResult Bluetooth-BR ＆EDR 2.441-12.51.502.005.000.49523.00PASS Bluetooth-LE2.402-2.052.50.451.005.000.39023.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.: CISRR26052322303 Reporttemplateversion:CISE-TR-001-A0Page:6of6 5.2.Simultaneoustransmission Limit: KDB447498D01v06,Clause4.3.2,47CFRPart1.1307 InthecaseofxedRFsourcesoperatinginthesametime-averagingperiod,orof multiplemobileorportableRFsourceswithinadeviceoperatinginthesametime averagingperiod,ifthesumofthefractionalcontributionstotheapplicablethresholds islessthanorequalto1asindicatedinthefollowingequation. Where a=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(B)ofthissectionforP,includingexistingexempttransmittersandthosebeing added. b=numberoffxed,mobile,orportableRFsourcesclaimingexemptionusingparagraph (b)(3)(i)(C)ofthissectionforThresholdERP,includingexistingexempttransmittersand thosebeingadded. c=numberofexistingfixed,mobile,orportableRFsourceswithknownevaluationforthespeci edminimumdistanceincludingexistingevaluatedtransmitters. P j =theavailablemaximumtime-averagedpowerortheERP,whicheverisgreater,forxed, mobile,orportableRFsourceiatadistancebetween0.5cmand40cm(inclusive). P th,j =theexemptionthresholdpower(P)accordingtoparagraph(b)(3)(i)(B)ofthissectionfor xed,mobile,orportableRFsourcei. ERP j =theERPoffixed,mobile,orportableRFsourcej. ERP th,j =exemptionthresholdERPforfixed,mobile,orportableRFsourcej,atadistanceofat leastλ/2πaccordingtotheapplicableformulaofparagraph(b)(3)(i)(C)ofthissection. Evaluated k =themaximumreportedSARorMPEoffixed,mobile,orportableRFsourcekeither inthedeviceoratthetransmittersitefromanexistingevaluationatthelocationofexposure. ExposureLimit k =eitherthegeneralpopulation/uncontrolledmaximumpermissibleexposure (MPE)orspecicabsorptionrate(SAR)limitforeachxed,mobile,orpor…

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ReportNo.:CISRR26052322301 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of56 TESTREPORT ReportNo.CISRR26052322301 ProjectNo.CISR260523223 FCCID2BTHH-E01 ApplicantShenzhenLeyouzhichuangTechnologyCo.,Ltd. Address Room202,Workshop2,ZhidaIndustrialPark,No.4,LongpingWest Road,ShengpingCommunity,LongchengSub-district,Longgang District,Shenzhen,China ManufacturerShenzhenLeyouzhichuangTechnologyCo.,Ltd. Address Room202,Workshop2,ZhidaIndustrialPark,No.4,LongpingWest Road,ShengpingCommunity,LongchengSub-district,Longgang District,Shenzhen,China ProductNameElectronicbadge Trademark- Model/TypereferenceE01 ListedModel(s)E01A,E01B,E01C,E01S Standard 47CFRPart15.247 DateofsamplereceiptMay25,2026 TestdateMay25,2026toJune2,2026 IssuedateJune2,2026 TestresultComplied Reviewedby:MorganTan Approvedby:HansHu ReportNo.:CISRR26052322301 Page 2 of 56 Contents 1.STANDARDANDAPPLICABLETESTMETHODS........................................................................................3 2.REPORTVERSION..........................................................................................................................................3 3.TESTDESCRIPTION.......................................................................................................................................4 4.SUMMARY........................................................................................................................................................5 4.1.ProductDescription*..................................................................................................................................5 4.2.RadioSpecificationDescription*..............................................................................................................5 4.3.ModificationofEUT.....................................................................................................................................6 4.4.Deviationfromstandards...........................................................................................................................6 4.5.TestingSite...................................................................................................................................................6 5.TESTCONFIGURATION.................................................................................................................................7 5.1.Testfrequencylist.......................................................................................................................................7 5.2.Descriptionsoftestmode...........................................................................................................................7 5.3.Supportunitusedintestconfiguration....................................................................................................7 5.4.Testsampleinformation.............................................................................................................................7 5.5.Environmentalconditions...........................................................................................................................7 5.6.Statementofthemeasurementuncertainty.............................................................................................8 5.7.EquipmentUsedduringtheTest................................................................................................................9 6.TESTRESULTS.............................................................................................................................................11 6.1.EvaluationResults(Evaluation)...............................................................................................................11 6.1.1.AntennaRequirement.............................................................................................................................11 6.2.RadioSpectrumMatterTestResults(RF)...............................................................................................12 6.2.1.ConductedEmissionatACpowerline.................................................................................................12 6.2.2.20dBBandwidth......................................................................................................................................15 6.2.3.MaximumConductedOutputPower.....................................................................................................17 6.2.4.ChannelSeparation................................................................................................................................18 6.2.5.NumberofHoppingFrequencies..........................................................................................................19 6.2.6.DwellTime...............................................................................................................................................20 6.2.7.Conductedbandedgeandspuriousemission...................................................................................22 6.2.8.Radiatedbandedgeemission...............................................................................................................24 6.2.9.RadiatedSpuriousEmission(below1GHz).........................................................................................30 6.2.10.RadiatedSpuriousEmission(Above1GHz)......................................................................................34 7.APPENDIXREPORT......................................................................................................................................42 7.1.ConductedOutputPower.........................................................................................................................42 7.2.20dBBandwidth.........................................................................................................................................44 7.3.Carrier…

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ShenzhenHongdeZhixinTechnologyCo.,Ltd. -Solutionprovidersandsuppliersforwireless terminalantennasystems 1/41/4 ShenzhenHongdeZhixinTechnologyCo.,Ltd. Address:Rooms503–504,BuildingB,QinghuSciencePark,LonghuaNewDistrict, Shenzhen Phone:0755-21033119Fax:0755-21032071 acknowledgement Customer:ShenzhenLeyouZhichuang Co.,Ltd. ProjectName:BluetoothAntenna Band:2.4GHzDate:2026.05.21model0.6*25 researchand development structure： ratify： radio frequency： CustomerReview:CustomerApproval: ShenzhenHongdeZhixinTechnologyCo.,Ltd. -Solutionprovidersandsuppliersforwireless terminalantennasystems 2/41/4 1.TechnicalSpecificationsandExperimentalEquipment ProductElectricalPerformanceSpecifications WorkingFrequencyRange2400~2480MHz StandingWaveRatio 2400~2480MHz：<1.5 peakgain 2.5dBi radiationefficiency 2496~2690MHz：>60% impedance50ohm ProductMaterialDescription Wireelectrolyticcopper+PI ProductEnvironmentDescription workingtemperature -30 ̊C~+85 ̊C StorageTemperature -30 ̊C~+85 ̊C AntennaSizeDiagram ShenzhenHongdeZhixinTechnologyCo.,Ltd. -Solutionprovidersandsuppliersforwireless terminalantennasystems 3/41/4 ShenzhenHongdeZhixinTechnologyCo.,Ltd. -Solutionprovidersandsuppliersforwireless terminalantennasystems 4/41/4

ReportNo.:CISRR26052322301 Page 58 of 64 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR26052322301 Page 59 of 64 RadiatedSpuriousEmission(below1GHz)