2BSX8-V233-180CFlame

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 operatethe 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-V233-180CV233-180C 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, 2025-12-10 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

DongguanCityYounengtoyCo.,LTD Date:December10th,2025 FederalCommunicationsCommission EquipmentAuthorizationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Attn:OETDept. FCCID:2BSX8-V233-180C ToWhomItMayConcern: WeherebycertifythatwewillmakedeclarationsofconformityforCalssB433MHzRXreceiver. EnsurethattheproductcomplieswiththerequirementsidentifiedinKDB896810and47CFR2.948(b). Sincerely, Signature PrintedNameofSignee/Title:YongqingLiao/Manager Company:DongguanCityYounengtoyCo.,LTD Address:3rdFloor,Building2,GuangqiHondaRearIndustrialPark,No.26QishiSection, EasternExpressway,QishiTown,DongguanCity,China

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-V233-180CV233-180C Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-12-10 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]

ReportNo.:CISRR25102822201 Page 45 of 48 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR25102822201 Page 46 of 48

Label Size:20mm*16mm FCCID:2BSX8-V233-180C ModelName:V233-180C LabelLocation

ReportNo.:CISRR25102822201 Page 47 of 48 9.2.InternalPhotos ReportNo.:CISRR25102822201 Page 48 of 48 ------Endofthereport----- ANT

ReportNo.: CISRR25102822202 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.: CISRR25102822202 ProjectNo.: CISR251028222 FCCID:2BSX8-V233-180C 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: Flame TradeMark: - Model/Typereference: V233-180C ListedModel(s):- Standard:47CFRPart2.1093 Issuedate:December10,2025 Testresult:Complied Reviewedby:MorganTan Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.: CISRR25102822202 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 00December10,2025Original ReportNo.: CISRR25102822202 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION Bluetooth Supportedtype:BREDRLE-1Mbps LE-2Mbps Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThesedevicesuseasingletransmittermoduleandantennaforbothBT,BTcannottransmitsimultaneously. ReportNo.: CISRR25102822202 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 Bluetooth2.4021.840.92.743.005.000.61853.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.: CISRR25102822202 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--------

Productname：boardantenna ModelName:Double-sidedboard-mountedantenna Frequency：2.4GHz Maximumgain:0.9dBi. Manufacturer:YizhaoMicroelectronics(Hangzhou)Co.,Ltd. Address:ShanghaiBranchRooms15405and15407,4thFloor,Building6, 498GuoshoujingRoad,China(Shanghai)PilotFreeTradeZone 1.PIFAsize：8.5*2.6mm 2，TheSIItestresultsfortheantennaareshowninFigure6,demonstratingfullcoverageacross the2.4Gfrequencyband. 3，Passive3Dimageoftheantenna

ReportNo.:CISRR25102822201 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of41 TESTREPORT ReportNo.CISRR25102822201 ProjectNo.CISR251028222 FCCID2BSX8-V233-180C 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 ProductNameFlame Trademark- Model/TypereferenceV233-180C ListedModel(s)- Standard 47CFRPart15.247 DateofsamplereceiptDecember6,2025 TestdateDecember6,2025toDecember9,2025 IssuedateDecember10,2025 TestresultComplied Reviewedby:MorganTan Approvedby:HansHu ReportNo.:CISRR25102822201 Page 2 of 41 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................................................................................................................8 6.TESTRESULTS.............................................................................................................................................10 6.1.EvaluationResults(Evaluation)...............................................................................................................10 6.1.1.AntennaRequirement............................................................................................................................10 6.2.RadioSpectrumMatterTestResults(RF)...............................................................................................11 6.2.1.ConductedEmissionatACpowerline.................................................................................................11 6.2.2.6dBBandwidth........................................................................................................................................14 6.2.3.MaximumConductedOutputPower.....................................................................................................15 6.2.4.PowerSpectralDensity..........................................................................................................................16 6.2.5.Conductedbandedgeandspuriousemission...................................................................................17 6.2.6.Radiatedbandedgeemission...............................................................................................................18 6.2.7.RadiatedSpuriousEmission(below1GHz).........................................................................................24 6.2.8.RadiatedSpuriousEmission(Above1GHz)........................................................................................28 7.APPENDIXREPORT......................................................................................................................................36 7.1.ConductedOutputPower.........................................................................................................................36 7.2.PowerSpectralDensity.............................................................................................................................37 7.3.6dBBandwidth...........................................................................................................................................38 7.4.DutyCycle..................................................................................................................................................39 7.5.ConductedSpurious&BandEdgeEmi…

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ReportNo.:CISRR25102822201 Page 43 of 48 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(Above1GHz) ReportNo.:CISRR25102822201 Page 44 of 48 RadiatedSpuriousEmission(below1GHz)