2BSX8-V226-0001Elvin

100mm100mm100mm100mm 400mm 135mm 100mm100mm100mm100mm 400mm 135mm V226-0001 Elvin FCC Caution: 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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BSX8-V226-0001V226-0001 We, Applicant CompanyName:DongguanCityYounengtoyCo.,LTD Address:Room205,Building2,YuanchuangSpace, XinniuCommunity,MinzhiStreet,Longhua District,Shenzhen,China Phone:18620391948 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-11-21 SignatureDate PrintedNameofSignee:YongqingLiao Company:DongguanCityYounengtoyCo., LTD Phone:18620391948 Email:[email protected] Address:3rdFloor,Building2,Guangqi HondaRearIndustrialPark,No.26Qishi Section,EasternExpressway,QishiTown, DongguanCity,China Fax:N/A

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 2BSX8-V226-0001V226-0001 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-11-21 SignatureDate PrintedNameofSignee/Title:YongqingLiao/Manager Company:DongguanCityYounengtoyCo.,LTD Address:3rdFloor,Building2,GuangqiHondaRearIndustrial Park,No.26QishiSection,EasternExpressway,Qishi Town,DongguanCity,China Phone:18620391948 Fax:-- Email:[email protected]

DongguanCityYounengtoyCo.,LTD Date:November21th,2025 FederalCommunicationsCommission EquipmentAuthorizationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Attn:OETDept. FCCID:2BSX8-V226-0001 ToWhomItMayConcern: WeherebycertifythatwewillmakedeclarationsofconformityforCalssB433MHzRXreceiver. EnsurethattheproductcomplieswiththerequirementsidentifiedinKDB896810and47CFR2.948(b). Sincerely, Signature PrintedNameofSignee/Title:YongqingLiao/Manager Company:DongguanCityYounengtoyCo.,LTD Address:3rdFloor,Building2,GuangqiHondaRearIndustrialPark,No.26QishiSection, EasternExpressway,QishiTown,DongguanCity,China

ReportNo.:CISRR25091613601 Page 47 of 52 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR25091613601 Page 48 of 52

Label Size:30mm*15mm Elvin ModelNo.:V226-0001 FCCID:2BSX8-V226-0001 LabelLocation

ReportNo.:CISRR25091613601 Page 49 of 52 9.2.InternalPhotos ANT ReportNo.:CISRR25091613601 Page 50 of 52 ReportNo.:CISRR25091613601 Page 51 of 52 ReportNo.:CISRR25091613601 Page 52 of 52 ------Endofthereport-----

ReportNo.: CISRR25091613602 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.: CISRR25091613602 ProjectNo.: CISR250916136 FCCID:2BSX8-V226-0001 Applicant:DongguanCityYounengtoyCo.,LTD Address: 3rdFloor,Building2,GuangqiHondaRearIndustrialPark,No.26Qishi Section,EasternExpressway,QishiTown,DongguanCity,Guangdong Province Manufacturer: DongguanCityYounengtoyCo.,LTD Address: 3rdFloor,Building2,GuangqiHondaRearIndustrialPark,No.26Qishi Section,EasternExpressway,QishiTown,DongguanCity,Guangdong Province ProductName: Elvin TradeMark: - Model/Typereference: V226-0001 ListedModel(s):- Standard:47CFRPart2.1093 Issuedate:October31,2025 Testresult:Complied Reviewedby:MorganTan Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.: CISRR25091613602 Reporttemplateversion:CISE-TR-001-A0Page:2of5 1.APPLICABLESTANDARD 47CFRPart2.1093:Radiofrequencyradiationexposureevaluation:portabledevices ANSIC95.1–3999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. 47CFRPart1.1307:Actionsthatmayhaveasignificantenvironmentaleffect,forwhichEnvironmental Assessments(EAs)mustbeprepared. 2.REPORTVERSION VersionNo.IssuedateDescription 00October31,2025Original ReportNo.: CISRR25091613602 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThesedevicesuseasingletransmittermoduleandantennaforBT,BTcannottransmitsimultaneously. ReportNo.: CISRR25091613602 Reporttemplateversion:CISE-TR-001-A0Page:4of5 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 Bluetooth2.4024.751.686.437.005.001.55353.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.: CISRR25091613602 Reporttemplateversion:CISE-TR-001-A0Page:5of5 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,orportableRFsourcek, asapplicablefrom§1.1310ofthischapter. Result:NotApplicable --------EndofReport--------

Product specification Quick Reference Date Antenna module on the system board Frequenc Range 2400 ~ 2500MHz Ant. Port Input Pwr. (dBm) 0 (Typ. BT class 2 output power) Tot. Rad. Pwr. (dBm) -1.2 (Input pwr – loss pwr) Peak EIRP(dBm) 1.2 Directivity (dBi) 1 (all direction antenna) Efficiency (dB) 6 0.2 % Gain (dBi) 1.68(Peak Gain XZ-plane) Maximum Power (dBm) 1.7 (XY-plane) Minimum Power (dBm) -4(XY-plane) Avg. Power (dBm) -0.5(XY-plane) Input Impendence(ohm) 50 Polarization Type V ertical & Horizontal V . S .W . R < 1.4 Manufacturer：DOLSONMUSE ELECTRONIC CO., LTD Model: MNRR4MX All the technical data and information contained herein are subject to change without prior notice Antenna Layout & module on the system board Antenna Gain Gain Table Unit in dBi @2.44GHz XY-plane XZ-plane YZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Module Board 1.35-0.581.68-1.421.11-1.076 0.2 % Retum Loss The Environment of Antenna Radiation Pattem 3D radiation pattern diagram XY-plane XZ-plane YZ-plane

ReportNo.:CISRR25091613601 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of43 TESTREPORT ReportNo.CISRR25091613601 ProjectNo.CISR250916136 FCCID2BSX8-V226-0001 ApplicantDongguanCityYounengtoyCo.,LTD Address 3rdFloor,Building2,GuangqiHondaRearIndustrialPark,No.26Qishi Section,EasternExpressway,QishiTown,DongguanCity,Guangdong Province ManufacturerDongguanCityYounengtoyCo.,LTD Address 3rdFloor,Building2,GuangqiHondaRearIndustrialPark,No.26Qishi Section,EasternExpressway,QishiTown,DongguanCity,Guangdong Province ProductNameElvin Trademark- Model/TypereferenceV226-0001 ListedModel(s)- Standard 47CFRPart15.247 DateofsamplereceiptOctober29,2025 TestdateOctober29,2025toNovember1,2025 IssuedateOctober31,2025 TestresultComplied Reviewedby:MorganTan Approvedby:HansHu ReportNo.:CISRR25091613601 Page 2 of 43 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.............................................................................................7 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 6.2.2.6dBBandwidth........................................................................................................................................16 6.2.3.MaximumConductedOutputPower.....................................................................................................17 6.2.4.PowerSpectralDensity..........................................................................................................................18 6.2.5.Conductedbandedgeandspuriousemission...................................................................................19 6.2.6.Radiatedbandedgeemission...............................................................................................................20 6.2.7.RadiatedSpuriousEmission(below1GHz).........................................................................................26 6.2.8.RadiatedSpuriousEmission(Above1GHz)........................................................................................30 7.APPENDIXREPORT......................................................................................................................................38 7.1.ConductedOutputPower.........................................................................................................................38 7.2.6dBBandwidth...........................................................................................................................................39 7.3.ConductedOutOfBandEmission...........................................................................................................40 7.4.DutyCycle..................................................................................................................................................42 7.5.PowerSpectralDensity.....................…

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ReportNo.:CISRR25091613601 Page 45 of 52 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR25091613601 Page 46 of 52 RadiatedSpuriousEmission(below1GHz)