2BWMN-MIC25009Microphone

GWI-MIC25009 FCC Cau�on: This device complies with part 15 of the FCC Rules. Opera�on is subject to the following two condi�ons: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired opera�on. Any Changes or modifica�ons 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 protec�on against harmful interference in a residen�al installa�on. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruc�ons, may cause harmful interference to radio communica�ons. However, there is no guarantee that interference will not occur in a par�cular installa�on. If this equipment does cause harmful interference to radio or television recep�on, 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 separa�on 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 condi�on without restric�on.

AttestationStatement. OldCode:C526609124NewCode:00015544Ed.3 Changereason:FRNisaddedtotheApplicantinformationsection. 1/1 TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 TheCommissionadoptedrulesthatprohibitequipmentauthorizationfor“covered” telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentitiesidentified ontheCommission’sCoveredList 1 ,whichisperiodicallyupdated.SeetheCoveredListformore details.ThisAttestationStatementistoconfirmthatwefollowtheSection2.911(d)(5)(i)-(ii) Applicant Companyname:GUANGWUINTERLINK(GUANGZHOU)CO.,LTD. Granteecode:2BWMN FRN:0038544599 FCCID:2BWMN-MIC25009 ContactName:XiangboGuo Address:2002,CITICPLAZA,NO.233TIANHEBEIRD,GUANGZHOU,PRCChina TelephoneNo.:13902286035 Email:[email protected] i.GUANGWUINTERLINK(GUANGZHOU)CO.,LTD.(“theapplicant”) certifiesthattheequipmentforwhichauthorizationissoughtisnot“covered” equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules.Theapplicantmustsignthiscertification. ii.GUANGWUINTERLINK(GUANGZHOU)CO.,LTD.(“theapplicant”) certifiesthat,asofthedateofthefilingoftheapplication,theapplicant[is not](asaspecificallynamedentityoranyofitssubsidiariesoraffiliates) identifiedontheCoveredListasanentityproducing“covered”equipment. Theapplicantmustsignthiscertification. [GUANGWUINTERLINK(GUANGZHOU)CO.,LTD.](“theapplicant”)certifiesthat, asofthedateofthefilingofthe application,theapplicant[isnot]identifiedontheCoveredList asanentityproducing“covered” equipment. Date:2026.6.25 Applicant’sName:XiangboGuo Title:Manager Signature 1 TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

GUANGWU INTERLINK(GUANGZHOU)CO., LTD. Code00018768Ed. 2 Item 1.The deviceis able to install software/programinstallation? ☐ Yes, go to Item 2. ☒ No. In this case, the rest of the items do not apply.The devicecannotsupportinstallationof Kaspersky cybersecurityor anti-virussoftware. Item 2.TechnicalRequirementsfor KasperskyCybersecuritySoftware: #GeneralRequirements(For all Devices)Yes / No or N/AComments 1Internetconnectionfor activationand updates(For all Operating Systems) N/A #GeneralRequirements(For WindowsDevices)Yes / No or N/AComments DeviceMicrophone CompanynameGUANGWU INTERLINK(GUANGZHOU)CO., LTD. Granteecode2BWMN FCC ID2BWMN-MIC25009 FRN0038544599 ContactnameXiangboGuo Address2002,CITICPLAZA,NO.233TIANHEBEIRD, GUANGZHOU,PRC China Telephonenumber13902286035 [email protected] Chipset/moduleinformationAC7063M OperatingSystem(if applicable)N/A StorageCapacity(hard drive or other permanentmemorystorage,if applicable) N/A 2 1Storage:1500MBfreespaceontheharddriveN/A 2OperatingSystem: MicrosoftWindows8,8.1,10&11Home/Pro/Enterprise Microsoft Windows7Starter/HomeBasic&Premium/Professional/ UltimateSP1orhigher N/A 3Processor:1GHzorhigher(x86orx64)N/A 4Memory(RAM)1GB(32-bit)or2GB(64-bit)N/A 5ScreenResolution:Minimumresolutionof1024x768N/A #GeneralRequirements(FormacOSdevices)Yes/NoorN/AComments 1OperatingSystemmacOS®13–14N/A 2Memory(RAM)4GBN/A 3Storage:3455MBfreespaceontheharddriveN/A #GeneralRequirements(ForAndroidDevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 2OperatingSystem:Android™10–14N/A 3ScreenResolution:Minimumresolutionof320x480N/A #GeneralRequirements(foriOSdevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 2OperatingSystem:iOS®17N/A #GeneralRequirements(ForLinuxsystem)Yes/NoorN/AComments 1Harddrive:1GBoffreespaceN/A 3 2CPU:IntelPentium1GHzorhigherN/A 3RAM:1GBN/A 4Minimumsoftwarerequirements: AlmaLinuxOS8orlater; AlterOS7.5orlater; AstraLinuxCommonEdition2.12orlater; CentOS6.7orlater; DebianGNU/Linux10.0orlater; EulerOS2.0orlater; OracleLinux7.3orlater; RedHatEnterpriseLinux6.7orlater; RockyLinux8.5orlater; SUSELinuxEnterpriseServer12.5orlater; Ubuntu12.04orlater; UncomOSHome/Business/Education/Enterprise2.2orlater; ALTLinuxWorkstaton/WorkstationK/Server/Education8or later; ROSALinuxWorkstation/Server12orlater; REDOS7.3andlater; N/A Afterreviewedthetechnicalrequirements,isthedevicecapableofsupportingtheinstallationof Kasperskysoftware? ☐Yes,gotoItem3. ☒ No.Inthiscase,therestoftheitemsdonotapply.ThedevicecannotsupportinstallationofKaspersky software Item3.ConnectivityCapabilities: 4 #PhysicalInterfacePurposeJustification 1 1 #WirelessInterfacePurposeJustification 1 1 Afterthereviewofthisitems,thedevice: ☒Cannotsupportinstallationofanycybersecurityoranti-virussoftwareonthecoveredlist. ☐ Potentiallycanoperatewithanycybersecurityoranti-virussoftwareonthecoveredlist–additionalthird- partyproofisprovidedtodemonstratecompliancewithrequirementsasof2.911(d)5(i),(ii)–“Proofof CompliancewithCoveredListSoftwareRequirements”ofthisdocumentapplies Signature:Name:XiangboGuo Date:2026.6.25 Oncethedocumentisfilledin,pleaseproceedtoprintaPDFofthisWord 1 Thejustificationfieldisusedtojustifywhythesoftwarecannotbereceivedthroughthatinterface.Checktheannexformore indications.

TCB CALL página 1 File FCC ID: 2BWMN-MIC25009 Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. On the official register from : https://www.sos.state.co.us/biz/BusinessEntityDetail.do?quitButtonDestination=BusinessEntityResults&nameTyp=ENT&masterFileId=20261464702&entityId2=20261464702&fileId=20261464702&srchTyp=ENTITY Google: TCB CALL página 2 TCB CALL página 3 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed2_US_Agent_Letter" included in the file is ok. 2- Is the agent physically located at that valid US address such that the agent can be legally served at that address? Yes , check above 3- Has the listed agent clearly agreed in writing to serve as the agent for the grantee at that address? Yes, it is included in the exhibit "C5266091_X23_Ed2_US_Agent_Letter"

C5266091_X10_Ed.2 1/1 GUANGWUINTERLINK(GUANGZHOU)CO.,LTD. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2026.6.25 Subject:RequestforConfidentiality FCCID:2BWMN-MIC25009 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:XiangboGuo Title:Manager

C5266091_X8_Ed.1 1/1 LetterofAuthorization GUANGWUINTERLINK(GUANGZHOU)CO.,LTD. Company:GUANGWUINTERLINK(GUANGZHOU)CO.,LTD. Address:2002,CITICPLAZA,NO.233TIANHEBEIRD,GUANGZHOU, PRCChina ProductName:Microphone ModelNumber:GWI-MIC25009 FCCIdentifier:2BWMN-MIC25009 WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:XiangboGuoDate:2026.6.25 Title:Manager Signatureofapplicant:

EUTPHOTO(ExternalPhotos) TestModel:GWI-MIC25009 ※※※※※ENDOFREPORT※※※※※

Labelandlabellocation FCCIDLABEL: High:1cm Wide:2cm LabelLocation: FCCID:2BWMN-MIC25009

EUTPHOTO(InternalPhotos) TestModel:GWI-MIC25009 ※※※※※ENDOFREPORT※※※※※ ANT

FCCID:2BWMN-MIC25009 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 FrequencyPower Tune-up power Maxtune-up power Maxtune-up power Min. Distance Calc. thresholds limit (MHz)(dBm)(dBm)(dBm)(mW)(mm) GFSK2402-2.780 -2±1 -10.7950.24493 Conclusion: 1.[(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]<3.0. 2.SARTestExclusionThresholdsis3.0forseparationdistance5mm.Therefore,SAR testisnotrequired.

ReportNo.:ZKT-2606020191E Page1of38 FCCTESTREPORT FCCID:2BWMN-MIC25009 ReportNumber.....................................: ZKT-2606020191E DateofTest ....................................................... :Jun.02,2026toJun.12,2026 Dateofissue.........................................:Jun.12,2026 Totalnumberofpages .......................... 38 TestResult .......................................... : PASS TestingLaboratory............................: ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrialAvenue, FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname ............................. : GUANGWUINTERLINK(GUANGZHOU)CO.,LTD. Address ............................................... :2002,CITICPLAZA,NO.233TIANHEBEIRD,GUANGZHOU,PRC Manufacturer'sname ...................... : GUANGZHOUTEMEISHENGELECTRONICSCO.,LTD. Address ............................................... : NanxianRoad,SiqiIndustrialZone,JianggaoTown,BaiyunDistrict, Guangzhou. Testspecification: Standard ................................................ : FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10-2020+Cor1-2023 Testprocedure.....................................: / Non-standardtestmethod................:N/A TestReportFormNo. ....................... : TRF-EL-111_V0 TestReportForm(s)Originator ..... : ZKTTesting MasterTRF........................................: Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentundertest (EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedin thereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmaybe alteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname.....................................:Microphone Trademark...........................................:LUMVRANEO Model/Typereference.........................: GWI-MIC25009 Ratings..................................................:Battery:DC3V(AAA) ReportNo.:ZKT-2606020191E Page2of38 Testingprocedureandtestinglocation: TestingLaboratory.......................................: ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China JimLiu Testedby(name+signature).......................: JacksonFang Reviewer(name+signature).......................: LakeXie Approved(name+signature) ....................... : ReportNo.:ZKT-2606020191E Page3of38 TableofContentsPage 1.VERSION.......................................................................................................................5 2.SUMMARYOFTESTRESULTS...................................................................................6 2.1TESTFACILITY..........................................................................................................................7 2.2MEASUREMENTUNCERTAINTY.............................................................................................7 3.GENERALINFORMATION...........................................................................................8 3.1GENERALDESCRIPTIONOFEUT...........................................................................................8 3.2DESCRIPTIONOFTESTMODES.............................................................................................9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED.....................10 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)...............................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS...........................................................................11 CONDUCTIONEMISSIONSTEST.................................................................................................11 4.EMCEMISSIONTEST................................................................................................13 4.1CONDUCTEDEMISSIONMEASUREMENT...........................................................................13 4.1.1POWERLINECONDUCTEDEMISSIONLimits................................................................13 4.1.2TESTPROCEDURE............................................................................................................13 4.1.3DEVIATIONFROMTESTSTANDARD...............................................................................13 4.1.4TESTSETUP.......................................................................................................................14 4.1.5EUTOPERATINGCONDITIONS........................................................................................14 4.2.1RADIATEDEMISSIONLIMITS...........................................................................................15 4.2.2TESTPROCEDURE............................................................................................................15 4.2.3DEVIATIONFROMTESTSTANDARD...............................................................................16 4.2.4TESTSETUP.......................................................................................................................16 4.2.5EUTOPERATINGCONDITIONS........................................................................................17 4.2.6TESTRESULTS(BETWEEN9KHZ–30MHZ)..............................................................17 5.RADIATEDBANDEMISSIONMEASUREMENT........................................................22 5.1TESTREQUIREMENT:..........................................................................................................22 5.2TESTPROCEDURE...............................................................................................................22 5.3DEVIATIONFROMTESTSTANDARD..................................................................................22 5.4TESTSETUP...........................................................................................…

Text truncated - open the document above for the full version.

Summary InvertedFAntennaSpecification ITEMANTSPEC ModelName2.4GANT(PCB) Center Frequency HorizontalVertical 2400MHz2400MHz2500MHz2400MHz2400MHz2500MHz 1.231.271.10-2.1-1.25-0.92 MAX.Gain1.27dB PolarizationHorizontalandVertical AzimuthBeam Pattern Omni-directional Impedance50Ohm AntennaLength38.2mm ManufactureSHENZHENRENYUANTECHNOLOGYCO.,LTD Address7thFloor,LonglianTechnologyBuilding,QingbuPing'an1stStreet,Xinya Subdistrict,HuaduDistrict,GuangzhouCity AntennaPhoto&Length(mm) Power(dBm) ANTTestLabs：AttestationofGlobalComplianceCo.,Ltd.

ANTENNA SPECIFICATION V1.0 CUSTOMER NAME: GUANGZHOU TEMEISHENG ELECTRONICS CO., LTD. Address: Nanxian Road, Siqi Industrial Zone, Jianggao Town, Baiyun District, Guangzhou. PRODUCT NAME: PCB Antenna CUSTOMER P /N: ANT-01 一 二 三 、------- - 、-------- 、-------- ----------- ----------- ----------- Co ----------- ----------- ----------- onten ----------- ----------- ----------- nts ----------- ----------- ----------- ----------S --------- S --------- T Specificat Size draw Test Repo tion wing ort 一、Specification 主要技术参数 Main technical parameter 频率范围(MHz) 2400-2500 Frequency Range(MHz) 2400-2500 阻抗(ohm) 50 Impedance(ohm) 50 增益(dBi) 1.37 Gain(dBi) 1.37 极性 水平和垂直 Polarization Horizontal and Vertical 方向性 全向性 Azimuth Beam Pattern Omni-directional 天线类型 PCB Antenna plate PCB 物理性能 Physical Properties 天线材料 F R4 Antenna cover FR4 工作温度 -10--+80 Operating Temp -10-- +80 保存温度 +10--+20 Storage Temp +10--+20 二、Size drawing 三、Test Report Measurements summary

EUTTESTPHOTO TestModel:GWI-MIC25009