2BTAU-LIGHTPROREEL LIGHT PRO

DongguanYifengTechnologyCo.,Ltd. Room501,Building2,No.2,LianhuBeiyuanSecondRoad,TangxiaTown,Dongguan,GuangdongChina AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Dec.1,25 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID: 2BTAU-LIGHTPRO 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:Dec.1,25 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:2BTAU-LIGHTPRO ProductName:REELLIGHTPRO 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 U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:2025.12.1 Ref:AttestationStatement–Part2.911(d)(7)filing FCCID:2BTAU-LIGHTPRO 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 2025.12.1 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID: 2BTAU-LIGHTPRO 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 2025.12.1 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID: 2BTAU-LIGHTPRO 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 FCCIDLABEL: High:1cm Wide:2cm LabelLocation: Model:REELLIGHTPRO FCCID:2BTAU-LIGHTPRO PowerSupply:5V1A

FCCID:2BTAU-LIGHTPRO RFEXPOSUREEVALUATION AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093, UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(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 Mode Frequency Output power Tune-up power Maxtune-up power Maxtune-up power Min. Distance Calc. thresholds limit (MHz)(dBm)(dBm)(dBm)(mW)(mm) GFSK2402-4.906-5±1-40.4050.12403.0 Conclusion: 1.[(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]<3.0. 2.SARTestExclusionThresholdsis3.0forseparationdistance5mm.Therefore,SAR testisnotrequired.

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) 2.09dBi 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 Shenzhen DL Testing Technology Co., Ltd. Report NO.: DLE-251126016R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 40 FCC TEST REPORT FCC ID:2BTAU-LIGHTPRO Applicant: Dongguan Yifeng Technology Co., Ltd. Address: Room 501,Building 2,No.2,Lianhu Beiyuan Second Road,Tangxia Town,Dongguan,Guangdong, China Manufacturer: Dongguan Yifeng Technology Co., Ltd. Address: Room 501,Building 2,No.2,Lianhu Beiyuan Second Road,Tangxia Town,Dongguan,Guangdong, China EUT: REEL LIGHT PRO Trade Mark: N/A Model Number: REEL LIGHT PRO Date of Receipt: Nov. 11, 2025 Test Date: Nov. 11, 2025 to Nov. 27, 2025 Date of Report: Nov. 27, 2025 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China Applicable Standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2020 Test Result: Pass Report Number: DLE-251126016R Prepared (Test Engineer): Dimon Tan Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing 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 Shenzhen DL Testing Technology Co., Ltd. Report NO.: DLE-251126016R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 40 Table of Contents Page 1. VERSION ....................................................................................................................................... 4 2. SUMMARY OF TEST RESULTS ................................................................................................... 5 2.1 TEST FACILITY ............................................................................................................................... 6 2.2 MEASUREMENT UNCERTAINTY .................................................................................................. 6 3. GENERAL INFORMATION ............................................................................................................ 7 3.1 GENERAL DESCRIPTION OF EUT ............................................................................................... 7 3.2 DESCRIPTION OF TEST MODES .....................................................................…

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