2BR43-Q3Action camera

CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BR43-Q3Q1,Q2,Q3,Q5,Q6,Q7,Q8,Q9,Q10,Q11,Q12,Q 13,Q15,Q16,Q17,Q18,Q19,Q20 We, Applicant CompanyName:DongguanYuaohongTechnologyCo.,LTD Address:Room902,Building2,No.23,Dalingshan Section,GuanchangRoad,Dalingshan Town,DongguanCity,GuangdongProvince Phone:+8613528734710 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-12-08 SignatureDate PrintedNameofSignee:WanhongZou Company:DongguanYuaohongTechnology Co.,LTD Phone:+8613528734710 Email:[email protected] Address:Room205,Building2,Yuanchuang Space,XinniuCommunity,MinzhiStreet, LonghuaDistrict,Shenzhen,China Fax:N/A

DongguanYuaohongTechnologyCo.,LTD Date:2025.12.09 FederalCommunicationsCommission EquipmentAuthorizationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Attn:OETDept. FCCID:2BR43-Q3 ToWhomItMayConcern: WeherebycertifythatwewillmakedeclarationsofconformityforCalssBPCperipheraldevice. EnsurethattheproductcomplieswiththerequirementsidentifiedinKDB896810and47CFR2.948(b). Sincerely, Signature PrintedNameofSignee/Title:WanhongZou/Manager Company:DongguanYuaohongTechnologyCo.,LTD Address:Room902,Building2,No.23,DalingshanSection,GuanchangRoad,Dalingshan Town,DongguanCity,GuangdongProvince

DongguanYuaohongTechnologyCo.,LTD Room902,Building2,No.23,DalingshanSection,GuanchangRoad,DalingshanTown, DongguanCity,GuangdongProvince Date:2025-12-03 FCCID:2BR43-Q3 ModelNumber:Q1,Q2,Q3,Q5,Q6,Q7,Q8,Q9,Q10,Q11,Q12,Q13,Q15,Q16,Q17,Q18,Q19, Q20 To:FederalCommunicationCommission AuthorizationandEvaluationDivision7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,DongguanYuaohongTechnologyCo.,LTDherebydeclarethatourproduct (WirelessDoorbell ) ModelNumber:Q1,Q2,Q3,Q5,Q6,Q7,Q8,Q9,Q10,Q11,Q12,Q13,Q15,Q16 ,Q17,Q18,Q19,Q20electricalidentical,theSchematic,PCBlayout,structureandsoftware aresame,onlythedifferenceisthemodelnameandcolorformarketpurpose. Shouldyouhaveanyquestionsorcommentsregardingthismatter,pleasehave mybestattention. Sincerely, (Signed) Name/Title:WanhongZou/Manager Company:DongguanYuaohongTechnologyCo.,LTD Address:Room902,Building2,No.23,DalingshanSection,GuanchangRoad, DalingshanTown,DongguanCity,GuangdongProvince Phone:+8613528734710 FaxNumber: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 2BR43-Q3Q1,Q2,Q3,Q5,Q6,Q7,Q8,Q9,Q10,Q11,Q12,Q1 3,Q15,Q16,Q17,Q18,Q19,Q20 Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare:  theOperationalDescription  theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-12-08 SignatureDate PrintedNameofSignee/Title:WanhongZou/Manager Company:DongguanYuaohongTechnologyCo.,LTD Address:Room902,Building2,No.23,DalingshanSection, GuanchangRoad,DalingshanTown,DongguanCity, GuangdongProvince Phone:+8613528734710 Fax:-- Email:[email protected]

ReportNo.:CISRR25111108001 Page 52 of 55 9.EXTERNALANDINTERNALPHOTOS 9.1.ExternalPhotos ReportNo.:CISRR25111108001 Page 53 of 55 ReportNo.:CISRR25111108001 Page 54 of 55

Label Size:30mm*20mm Action camera Modol No.:Q3 FCC ID:2BR43-Q3 Label Location

ReportNo.:CISRR25111108001 Page 55 of 55 9.2.InternalPhotos ------Endofthereport----- ANT

ReportNo.:CISRR25111108002 Reporttemplateversion:CISE-TR-001-A0Page:1of5 TESTREPORT RFExposureEvaluation ReportNo.CISRR25111108002 ProjectNo.CISR251111080 FCCID2BR43-Q3 ApplicantDongguanYuaohongTechnologyCo.,LTD Address Room902,Building2,No.23,DalingshanSection,GuanchangRoad, DalingshanTown,DongguanCity,GuangdongProvince,China ManufacturerDongguanYuaohongTechnologyCo.,LTD Address Room902,Building2,No.23,DalingshanSection,GuanchangRoad, DalingshanTown,DongguanCity,GuangdongProvince,China ProductNameActioncamera Trademark- Model/TypereferenceQ3 ListedModel(s)Q1,Q2,Q5,Q6,Q7,Q8,Q9,Q10,Q11,Q12,Q13,Q15,Q16,Q17,Q18,Q19,Q20 Standard 47CFRPart2.1093 DateofsamplereceiptNovember13,2025 TestdateNovember13,2025toNovember22,2025 IssuedateNovember24,2025 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangceTesting TechnologyCo.,Ltd. ReportNo.:CISRR25111108002 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 00November24,2025Original ReportNo.:CISRR25111108002 Reporttemplateversion:CISE-TR-001-A0Page:3of5 3.RADIOSPECIFICATIONDESCRIPTION WIFI-2.4GHzBand Supportedtype:802.11b802.11g802.11n 802.11ax Note:PleaserefertoRFreportfordetailedtechnicalspecifications 4.SIMULTANEOUSTRANSMISSIONANALYSIS ThesedevicesuseasingletransmittermoduleandantennaforbothWIFI. ReportNo.:CISRR25111108002 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(dBm) Minimum distance (mm) Evaluated value LimitResult WIFI2.4G2.4626.38-1.634.7555.000.99243.00PASS Note #1:ThisvaluecomesfromtheRFtestreport. #2:Thisvalueisdeclaredbytheapplicant. #3:EIRP=Maximumoutputpower+Antennagain. #4:Thisvalueisdeclaredbytheapplicant. ReportNo.:CISRR25111108002 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--------

深圳市绎芯电子科技有限公司 ShenzhenyixinElectronicTechnologyCo.,Ltd Pagenumber1-10 规格书 客户料 Specification 号 本公司料号 YX-ALK-Q1V553手持DV-V1.0 编制：曾小凤审核：温世豪 日期：2025.11.4 深圳市绎芯电子科技有限公司 深圳市光明区凤凰街道南太云创谷2栋201 Building 2, Nan Tai Yunchuanggu, Fenghuang Street, Guangming District, Shenzhen City 电话 邮箱：[email protected] : 17898458992 ShenzhenShuodianElectronicTechnologyCo.,Ltd Date:2014-6-30Page number2-8 深圳市绎芯电子科技有限公司 ShenzhenyixinElectronicTechnologyCo.,Ltd Pagenumber2-10 目录 规格书 ....................................................................................................................................1 深圳市绎芯电子科技有限公司................................................................................................1 目录 ............................................................................................................................................2 1. 双方确认 .................................................................................................................................3 2. 一般事项 .................................................................................................................................4 3. 产品一般规格 .........................................................................................................................4 4. 产品规格明细 .........................................................................................................................5 4.1 产品结构参数 ......................................................................................................................5 4.2 产品电性能测试数据 .........................................................................................................6 5. 产品包装方式 .......................................................................................................................8 6. 文档履历 .............................................................................................................................10 ShenzhenShuodianElectronicTechnologyCo.,Ltd Date:2014-6-30Page number3-8 深圳市绎芯电子科技有限公司 ShenzhenyixinElectronicTechnologyCo.,Ltd Pagenumber3-10 1.双方确认 1.1客户确认签字 客户：有限公司 客户部门/职位确认人签字确认日期 硬件/射频 结构 项目经理 商务/采购 审核 1.2 绎芯科技确认签字 部门/职位确认人签字确认日期 天线工程师 结构工程师 项目经理 QA 审核 ShenzhenShuodianElectronicTechnologyCo.,Ltd Date:2014-6-30Page number4-8 深圳市绎芯电子科技有限公司 ShenzhenyixinElectronicTechnologyCo.,Ltd Pagenumber4-10 2.1using temperature 2.present address range The operating temperature range of this product:- 20 ~ +65°C 2.2Storage temperature range This product is stored at a temperature range of -30 to +75 degrees Celsius. NO 3.General product specifications .ITEMSDETAILS 1model 22400-2500MH frequency z 3VSWR≤2.0 450 impedance Ω 5单极Antenna type子 6FP Antenna implementation form C 7天线图片 ShenzhenShuodianElectronicTechnologyCo.,Ltd Date:2014-6-30Page number5-8 深圳市绎芯电子科技有限公司 ShenzhenyixinElectronicTechnologyCo.,Ltd Pagenumber5-10 4.Product Specifications Details materialsspecification(MM) 1FPCBlack 2coaxial line The total length of the wire is 55mm, and it is a black wire with a diameter of 0.81mm. 4.13structure size ShenzhenShuodianElectronicTechnologyCo.,Ltd Date:2014-6-30Page number6-8 深圳市绎芯电子科技有限公司 ShenzhenyixinElectronicTechnologyCo.,Ltd Pagenumber6-10 产品的S11 4.22 Product electrical performance test data： 图： Marker2400MHz2450MHz2500MHz Returnloss2.482.221.95 VSWR-7.43-8.36-8.61 ShenzhenShuodianElectronicTechnologyCo.,Ltd Date:2014-6-30Page number7-8 深圳市绎芯电子科技有限公司 ShenzhenyixinElectronicTechnologyCo.,Ltd Pagenumber7-10 4.23增益、效率及辐射方向图 频率（MHz）Gain（dBi）Efficiency（%） 2400-1.9621.51 2450-1.8225.73 2500-1.6326.56 ShenzhenShuodianElectronicTechnologyCo.,Ltd Date:2014-6-30Page number8-8 深圳市绎芯电子科技有限公司 ShenzhenyixinElectronicTechnologyCo.,Ltd Pagenumber8-10 辐射方向图频率点 ShenzhenShuodianElectronicTechnologyCo.,Ltd Date:2014-6-30Page number9-8 深圳市绎芯电子科技有限公司 ShenzhenyixinElectronicTechnologyCo.,Ltd Pagenumber9-10

ReportNo.:CISRR25111108001 Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. Page1of48 TESTREPORT ReportNo.CISRR25111108001 ProjectNo.CISR251111080 FCCID2BR43-Q3 ApplicantDongguanYuaohongTechnologyCo.,LTD Address Room902,Building2,No.23,DalingshanSection,GuanchangRoad, DalingshanTown,DongguanCity,GuangdongProvince,China ManufacturerDongguanYuaohongTechnologyCo.,LTD Address Room902,Building2,No.23,DalingshanSection,GuanchangRoad, DalingshanTown,DongguanCity,GuangdongProvince,China ProductNameActioncamera Trademark- Model/TypereferenceQ3 ListedModel(s)Q1,Q2,Q5,Q6,Q7,Q8,Q9,Q10,Q11,Q12,Q13,Q15,Q16,Q17,Q18,Q19,Q20 Standard 47CFRPart15.247 DateofsamplereceiptNovember13,2025 TestdateNovember13,2025toNovember22,2025 IssuedateNovember24,2025 TestresultComplied Reviewedby:LucasHuang Approvedby:HansHu ReportNo.:CISRR25111108001 Page 2 of 48 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 7.1.6dBBandwidth...........................................................................................................................................36 7.2.ConductedOutputPower.........................................................................................................................38 7.3.PowerSpectralDensity.............................................................................................................................40 7.4.DutyCycle..................................................................................................................................................42 7.5.Condu…

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ReportNo.:CISRR25111108001 Page 50 of 55 8.TESTSETUPPHOTOS ConductedEmissionatACpowerline Radiatedbandedgeemission RadiatedSpuriousEmission(below1GHz) ReportNo.:CISRR25111108001 Page 51 of 55 RadiatedSpuriousEmission(Above1GHz)