2BX2R-X107Amatin home Smart Ring

Customer Service：4006685002 TIME：9:00-18:00（weekday） AMATIN HOME AMATIN HOME AMATIN HOME Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. NOTE: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC Statement: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help.

BeijingYufengtongTechnologyIndustryCo.,Ltd. Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026/9/1 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BX2R-X107 BeijingYufengtongTechnologyIndustryCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. BeijingYufengtongTechnologyIndustryCo.,Ltd.(“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature) ContactName:ChengyiFan

BeijingYufengtongTechnologyIndustryCo.,Ltd. Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026/9/1 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BX2R-X107 BeijingYufengtongTechnologyIndustryCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentity oranyofitssubsidiariesoraffiliates)asanentityproducing“covered” equipment. Sincerely, (Applicantsignature) ContactName:ChengyiFan

BeijingYufengtongTechnologyIndustryCo.,Ltd. Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026/9/1 Ref:AttestationStatementsPart2.911(d)(7)Filing FCCIDorGranteeCode:FCCID:2BX2R-X107or2BX2R ApplicantFRN:0038848859 BeijingYufengtongTechnologyIndustryCo.,Ltd.( “ theapplicant ” )certifiesthat,asofthedateofthe filingoftheapplication,REPAmericaLLCisourdesignatedU.S.agentforserviceofprocessforthe abovereferencedFCCID.BeijingYufengtongTechnologyIndustryCo.,Ltd.acceptstomaintainanagent fornolessthanoneyearafterthegranteehasterminatedallmarketingandimportationorthe conclusionofanyCommission-relatedproceedinginvolvingtheequipment. REPAmericaLLCaccepts,asofthedateofthefilingoftheapplication,theobligationofthedesignated U.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:REPAmericaLLC S.AgentFRN:0034192500 Address:350TerrySt.200Longmont,CO80501UnitedStates ContactPerson:MrBenXu Tel.:(719)201-3314 Email:[email protected] Sincerely, ChengyiFanMrBenXu BeijingYufengtongTechnologyIndustryCo.,Ltd.REPAmericaLLC [InsertApplicantsignature][U.S.Agentsignature]

FCCID:2BX2R-X107 BeijingYufengtongTechnologyIndustryCo.,Ltd. ModelConfirmationLetter We,BeijingYufengtongTechnologyIndustryCo.,Ltd.,certifythe product:AmatinhomeSmartRing,ModelNo.:X107 、 X109 、 X111. Theproducthasmanymodels,onlythemodelnameandcoloris different,andtheotherpartssuchasthecircuitprinciple,pcband electricalstructurearethesame.Testsamplemodel:X107 Signiture:ChengyiFan CompanyName:BeijingYufengtongTechnologyIndustryCo.,Ltd. Date:2026/9/1

BeijingYufengtongTechnologyIndustryCo.,Ltd. Rev11/20/07 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2BX2R-X107. PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitType Schematics Blockdiagram Operationdescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealsorequest temporaryconfidentialtreatmentofinformationaccompanyingthisapplicationasoutlined below: ExhibitType Sincerely, (signature) ChengyiFan

BeijingYufengtongTechnologyIndustryCo.,Ltd. M:\MasterDocuments\TEMPLATES\POA_Letter.doc FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:2026/9/1 SUBJECT:FCCApplicationforFCCID:2BX2R-X107 ToWhomItMayConcern: We,theundersigned,herebyauthorizeMachaelMoatShenzhenDACETesting TechnologyCo.,Ltd.onourbehalf,toapplytotheFederalCommunicationsCommission onourequipment.AnyandallactscarriedoutbyShenzhenDACETestingTechnology Co.,Ltd.onourbehalfshallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, (signature) ChengyiFan

FCCID:2BX2R-X107 External FCCID:2BX2R-X107 FCCID:2BX2R-X107 FCCID:2BX2R-X107 FCCID:2BX2R-X107

LabelLocation: Label:10*5mm FCCID:2BX2R-X107

FCCID:2BX2R-X107 FCCID:2BX2R-X107 ANT FCCID:2BX2R-X107 FCCID:2BX2R-X107

Page1of1 RFExposureEvaluationReport 1RFEXPOSURE ProductName: AmatinhomeSmartRing ModelNo: X107 FCCID:2BX2R-X107 NOTE:accordingtoKDB447498D01GeneralRFExposureGuidancev06 ， Unlessspecifically requiredbythepublishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-g extremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementornumerical simulation,isnotrequiredwhenthecorrespondingSARTestExclusionThresholdcondition(s), listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: TheEUTisaportabledevice [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Theproductisusedatadistanceof5mmfromthehumanbody. Here, 1.1EUTRFEXPOSUREEVALUATION Channel (MHz) MaximumPeak Conducted OutputPower (dBm) Tuneup tolerance (dB) Maximum tune-up Power (dBm) Maximum tune-up Power (mW) Calculated value Exclusion threshold BLE 2440-0.05 0±1 1.000001.2590.3903 Conclusion:thecalculatedvalue≤3.0,SARisexempted.

Antennaspecifications ShenzheneIoTTechnologyCo.,Ltd Address:25thFloor,BlockB,Building7,ShenzhenInternationalInnovationValley, NanshanDistrict,Shenzhen,China. 1.Testequipment 2.ElectricalPerformanceIndex 3.AntennaS11data 4.AntennaEfficiency/Gain(freespace) 5.2D3DRadiationPattern 2400MHz 2450MHz 2500MHz 6. AntennaDrawing

V1.0ReportNo.:DACE260820003RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 1 of 77 RFTESTREPORT For BeijingYufengtongTechnologyIndustryCo.,Ltd. ProductName:AmatinhomeSmartRing TestModel(s):X107 ReportReferenceNo.:DACE260820003RF001 FCCID:2BX2R-X107 Applicant’sName:BeijingYufengtongTechnologyIndustryCo.,Ltd. Address: Unit3360,1stFloor,ZoneC,No.205,DongxiaojingIndustrialPark, DongbaTownship,ChaoyangDistrict,Beijing TestingLaboratory:ShenzhenDACETestingTechnologyCo.,Ltd. Address: 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark, TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen, Guangdong,China TestSpecificationStandard:47CFRPart15.247 DateofReceipt:August20,2026 DateofTest:August20,2026toAugust28,2026 DateofIssue:August28,2026 Result:Pass Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofShenzhenDACE TestingTechnologyCo.,Ltd.ThisdocumentmaybealteredorrevisedbyShenzhenDACETestingTechnology Co.,Ltd.personnelonly,andshallbenotedintherevisionsectionofthedocument.Thetestresultsinthe reportonlyapplytothetestedsample V1.0ReportNo.:DACE260820003RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 2 of 77 Applyforcompanyinformation Applicant’sName:BeijingYufengtongTechnologyIndustryCo.,Ltd. Address:Unit3360,1stFloor,ZoneC,No.205,DongxiaojingIndustrialPark, DongbaTownship,ChaoyangDistrict,Beijing ProductName:AmatinhomeSmartRing TestModel(s):X107 SeriesModel(s): X109、X111 TestSpecificationStandard(s):47CFRPart15.247 NOTE1: Themanufacturershouldensurethatallproductsinseriesproductionareinconformitywiththeproductsampledetailedin thisreport.Iftheproductinthisreportisusedinanyconfigurationotherthanthatdetailedinthereport,themanufacturer mustensurethenewsystemcomplieswithallrelevantstandards. Compiledby: Supervisedby: Approvedby: LucyMo/TestEngineerBenTang/ProjectEngineerMachaelMo/Manager August28,2026August28,2026August28,2026 V1.0ReportNo.:DACE260820003RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 3 of 77 RevisionHistoryOfReport VersionDescriptionREPORTNo.IssueDate V1.0OriginalDACE260820003RF001August28,2026 V1.0ReportNo.:DACE260820003RF001 102,BuildingH1,&1/F.,BuildingH,HongfaScience&TechnologyPark,TangtouCommunity,ShiyanSubdistrict,Bao'anDistrict,Shenzhen,Guangdong,China Web:http://www.dace-lab.comTel:+86-755-23010613E-mail:[email protected] 4 of 77 CONTENTS 1TESTSUMMARY...................................................................................................................................................6 1.1TESTSTANDARDS........................................................................................................................................6 1.2SUMMARYOFTESTRESULT.........................................................................................................................6 2GENERALINFORMATION....................................................................................................................................7 2.1CLIENTINFORMATION..................................................................................................................................7 2.2DESCRIPTIONOFDEVICE(EUT)..................................................................................................................7 2.3DESCRIPTIONOFTESTMODES....................................................................................................................8 2.4DESCRIPTIONOFSUPPORTUNITS................................................................................................................8 2.5EQUIPMENTSUSEDDURINGTHETEST........................................................................................................9 2.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................11 2.7IDENTIFICATIONOFTESTINGLABORATORY.................................................................................................11 2.8ANNOUNCEMENT........................................................................................................................................11 3EVALUATIONRESULTS(EVALUATION)...........................................................................................................12 3.1ANTENNAREQUIREMENT............................................................................................................................12 3.1.1Conclusion:.................................................................................................................................12 4RADIOSPECTRUMMATTERTESTRESULTS(RF).........................................................................................13 4.1CONDUCTEDEMISSIONATACPOWERLINE................................................................................................13 4.1.1E.U.T.Operation:........................................................................................................................13 4.1.2TestSetupDiagram:...................................................................................................................13 4.1.3TestData:...................................................................................................................................14 4.26DBBANDWIDTH.......................................................................................................................................16 4.2.1E.U.T.Operation:........................................................................................................…

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FCCID:2BX2R-X107 ConductedEmissionatACpowerline Emissionsinfrequencybands(below1GHz) FCCID:2BX2R-X107 Emissionsinfrequencybands(above1GHz)