2BTAU-LIGHTMINIREEL LIGHT MINI

DongguanYifengTechnologyCo.,Ltd. Room501,Building2,No.2,LianhuBeiyuanSecondRoad,TangxiaTown,Dongguan,GuangdongChina U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:2025.11.28 Ref:AttestationStatement–Part2.911(d)(7)filing FCCID:2BTAU-LIGHTMINI DongguanYifengTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,GOLDENVICTORYINTERNATIONALTRADINGCOLTD(“theagent”)isour designatedU.S.agentforserviceofprocessfortheabovereferenceFCCID.Theapplicantaccepts tomaintainanagentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereither thegranteehaspermanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,ortheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater.Theapplicantfurtheracknowledgesitisour responsibilitytoinformtheFCCwhenevertheagentinformationchanges. GOLDENVICTORYINTERNATIONALTRADINGCOLTD("theagent)understanditistheagent's obligationtoacceptserviceofprocessintheUnitedStatesformattersrelatedtotheapplicable equipment,andatthephysicalU.S.addressandemailaddress. DesignatedU.S.Agent CompanyName:GOLDENVICTORYINTERNATIONALTRADINGCOLTD FRN:0036377570 Address:11016THSTREETSUITE1400 DENVER,CO80202UnitedStates Signature: ContactPerson:LeonHowar Tel:(337)255-0461Email: [email protected] Applicant CompanyName:DongguanYifengTechnologyCo.,Ltd. FRN:0037672953 Address:Room501,Building2,No.2,LianhuBeiyuan SecondRoad,TangxiaTown,Dongguan,Guangdong China Signature: ContactPerson:Yekaibing Tel:13580746685Email:[email protected]

DongguanYifengTechnologyCo.,Ltd. Room501,Building2,No.2,LianhuBeiyuanSecondRoad,TangxiaTown,Dongguan,GuangdongChina AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Nov.28,25 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID: 2BTAU-LIGHTMINI DongguanYifengTechnologyCo.,Ltd.(“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002of referencechapter,asanentityproducing“covered”communicationequipment.Theequipmentfor whichauthorizationissoughtisnot“covered”telecommunicationsequipmentandvideosurveillance equipmentproducedbyentitiesidentifiedontheCommission’sCoveredListthatprohibitedfrom receivinganequipmentauthorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName: Yekaibing Title:Manager Address:Room501,Building2,No.2,LianhuBeiyuanSecondRoad,Tangxia Town,Dongguan,GuangdongChina Tel.:13580746685 Email:[email protected]

DongguanYifengTechnologyCo.,Ltd. Room501,Building2,No.2,LianhuBeiyuanSecondRoad,TangxiaTown,Dongguan,GuangdongChina 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Nov.28,25 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:2BTAU-LIGHTMINI ProductName:REELLIGHTMINI Thisletterservesasanattestationthattheequipmentidentifiedabove☐is/☒isnot(selectone)"covered" softwareasdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,as outlinedinFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, ApplicantSignature PrintedName:Yekaibing Title:Manager Address: Room501,Building2,No.2,LianhuBeiyuanSecondRoad,Tangxia Town,Dongguan,GuangdongChina Tel.:13580746685 Email: [email protected] DongguanYifengTechnologyCo.,Ltd. Room501,Building2,No.2,LianhuBeiyuanSecondRoad,TangxiaTown,Dongguan,GuangdongChina 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

DongguanYifengTechnologyCo.,Ltd. Room501,Building2,No.2,LianhuBeiyuanSecondRoad,TangxiaTown,Dongguan,GuangdongChina 2025.11.28 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID: 2BTAU-LIGHTMINI PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow:  BlockDiagram Schematics OperationalDescription Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired.  UserManual  InternalPhotos  ExternalPhotos TestSetupPhotos Sincerely, ApplicantSignature Title:Manager Address:Room501,Building2,No.2,LianhuBeiyuanSecondRoad,Tangxia Town,Dongguan,GuangdongChina Tel.:13580746685 Email: [email protected]

DongguanYifengTechnologyCo.,Ltd. Room501,Building2,No.2,LianhuBeiyuanSecondRoad,TangxiaTown,Dongguan,GuangdongChina 2025.11.28 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID: 2BTAU-LIGHTMINI I,theundersigned,herebyauthorizeShenzhenDLTestingTechnologyCo.,Ltdtoactonourbehalfinall mattersrelatingtothisapplicationforequipmentcertification. AnyactcarriedoutbyShenzhenDLTestingTechnologyCo.,Ltdshallhavethesameeffectasourown andIacknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification,as specifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswithDongguanYifeng TechnologyCo.,Ltd. WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) (FullnameofcontactpersonlistedonFCC’swebsite) Yekaibing (Title)Manager Tel.: 13580746685 Fax:N/A Email:[email protected]

Labelandlabellocation 2cm REELLIGHTMINI FCCID:2BTAU-LIGHTMINI 1cm

FCCID:2BTAU-LIGHTMINI RFExposureEvaluation AccordingtoWS-1GeneralRFExposureGuidancev06andpart2.1093 ， Unless specificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-ghead orbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,by measurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTest ExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ForBLE TestModeFrequency Max Power(dBm) TuneUP tolerance (dBm) MaxTuneUP power (dBm) MaxTuneUP power (mW) Min. distance (mm) Calc. thresholds limit GFSK2402-2.395 -2±1 -10.7950.246223.0 GFSK2440-1.112 -1±1 0150.312413.0 GFSK2480-0.117 -0 ± 1 11.2650.396513.0 Conclusion: 1.[(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]<3.0. SARTestExclusionThresholdsis3.0forseparationdistance5mm.Therefore,SARtestis notrequired

东莞市唯新实业有限公司 天线规格书 Dongguan Weixin In dustry Co., Ltd Antenna specifications 目录 Dongguan Weixin Industry Co., Ltd 产品图片,尺寸（Product pictures, size）.................................1 产品参数（Product Parameters）.............................................1 增益，效率，方向图（gain, efficiency, pattern）..............2-7 测试连接系统(Test connection system)....................................8 Table of contents Page 1 一.产品图片,尺寸（Product pictures, size） 二、产品参数（Product Parameters） 产品测试参数（Product test parameters） 产品名称(Name) 内置天线（Internal antenna） 产品型号(Model Type) MD US02A-V1.01 电 性 能 指 标 (Electrical Specifications) 频率范围 (Frenquency Range) 2400-2500MhZ 极化方式 （ Polarization ） 垂直（vertical） 输入阻抗(Impedance) 50 Ω 辐射方向（Radiation direction） 全向 （Omnidirectional） 驻波比 （ VSWR ） 2.29 功率容量(Power) 50W 增益(Gain) 2.09DB 带宽 （bandwidth） 100MHz 机 械 指 标 (Mechanical Specifications) 尺寸 (Dimensions)天线颜色(Radome Color) 黑色（black） 连接器型号 (Connector) 引线长度(Cable Length) 外壳材料 Radome Material 工作温度 (Working Temperature) -10°C-+60°C 存放温度 (Limit Temperature) -10°C-+30°C Dongguan Weixin Industry Co., Ltd 2.53*9.74mm Page 2 Frequency（MHz） Efficieny(%)Gain(dB) 2400 27.98% 2.01 2410 28.45% 2.09 2420 27.95% 1.96 2430 27.41% 1.85 2440 27.41% 1.88 2450 27.27% 1.89 2460 26.78% 1.88 2470 25.23% 1.62 2480 2490 2500 1.19 1.43 2.01 23.95% 22.36% 21.05% 三、增益(Gain).效率(efficiency).方向图(direction map)， VSWR,Impedance,Return Loss 2.苹果图(apple diagram) Dongguan Weixin Industry Co., Ltd 1.增益,效率(gain,efficiency) Page 3 Dongguan Weixin Industry Co., Ltd Page 4 3.方向图(direction map) Dongguan Weixin Industry Co., Ltd Page 5 4.VSWR Dongguan Weixin Industry Co., Ltd Page 6 5.Impedance Dongguan Weixin Industry Co., Ltd Page 7 6.Return Loss Dongguan Weixin Industry Co., Ltd Page 8 测试连接系统(Test connection system) 测试机构（testing agency）： Shenzhen Morlab Communications Technology Co., Ltd

C DL-Cert ert DL-Cert DL D L-Cert DL-Cert DL-Cer D L-Cert DL-Cert DL-Cert Cert D L-Cert DL-Cert DL-Cert DL-C DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL- DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-C DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Ce L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert D L-Cert DL-Ce DL-Cert DL-Cert DL-Cert D L-Cert DL Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert D L-C L-Cert DL-Cert rt DL-Cer DL ShenzhenDL TestingTechnologyCo., Ltd.ReportNo.: DLE-251126010R Test ReportTel: 400-688-3552Web:www.dl-cert.comEmai l:[email protected] of 40 FCC TEST REPORT FCC ID: 2BTAU-LIGHTMINI Applicant:DongguanYifengTechnologyCo., Ltd. Address: Room501,Building2,No.2,LianhuBeiyuanSecondRoad,Tangxia Town,Dongguan,Guangdong Manufacturer:DongguanYifengTechnologyCo., Ltd. Address: Room501,Building2,No.2,LianhuBeiyuanSecondRoad,Tangxia Town,Dongguan,Guangdong EUT:REELLIGHTMINI TradeMark:N/A ModelNumber:REELLIGHTMINI Dateof Receipt:Nov. 06, 2025 Test Date:Nov. 06, 2025to Nov. 13, 2025 Dateof Report:Nov. 27, 2025 PreparedBy:ShenzhenDL TestingTechnologyCo., Ltd. Address: 101-201,ComprehensiveBuilding,TongzhouElectronicsLonggangFactoryArea,No.1 BaolongFifth Road,BaolongCommunity,BaolongStreet,LonggangDistrict,Shenzhen, China Applicable Standards: FCCCFR Title 47 Part 15 SubpartC Section15.247 ANSIC63.10:2020 Test Result:Pass ReportNumber: DLE-251126010R Prepared(TestEngineer):DimonTan Reviewer(Supervisor):JackBu Approved(Manager):JadeYang Thistestreportis basedona singleevaluationofonesampleofabovementionedproducts.It is notpermittedto beduplicatedin extractswithoutwrittenapprovalofShenzhenDLTestingTechnologyCo.,Ltd. C DL-Cert ert DL-Cert DL D L-Cert DL-Cert DL-Cer D L-Cert DL-Cert DL-Cert Cert D L-Cert DL-Cert DL-Cert DL-C DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL- DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-C DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Ce L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert D L-Cert DL-Ce DL-Cert DL-Cert DL-Cert D L-Cert DL Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert D L-C L-Cert DL-Cert rt DL-Cer DL ShenzhenDL TestingTechnologyCo., Ltd.ReportNo.: DLE-251126010R Test ReportTel: 400-688-3552Web:www.dl-cert.comEmai l:[email protected] of 40 Table of ContentsPage 1. VERSION....................................................................................................................4 2. SUMMARYOF TEST RESULTS...............................................................................5 2.1 TEST FACILITY.................................................................................................................6 2.2 MEASUREMENTUNCERTAINTY....................................................................................6 3. GENERALINFORMATION........................................................................................7 3.1 GENERALDESCRIPTIONOF EUT .................................................................................7 3.2 DESCRIPTIONOF TEST MODES....................................................................................8 3.3 BLOCKDIGRAMSHOWINGTHE CONFIGURATIONOF SYSTEMTESTED..............9 3.4 DESCRIPTIONOF SUPPORTUNITS(CONDUCTEDMODE)........................................9 3.5 EQUIPMENTSLIST FOR ALL TEST ITEMS.....................................…

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