2AIIF-12303TPGPureBoom Mic Duo

SuperiorCommunicationsDBA PureGear CoveredEquipmentCertificationAttestationLetter 05/15/2026 FederalCommunicationsCommission Authorizationand EvaluationDivision 7435 OaklandMills Road Columbia,MD 21046 USA ATTN.:ReviewingEngineer FCC ID: 2AIIF-12303TPG SuperiorCommunicationsDBA PureGear(“the applicant”) certifiesthat the equipmentfor which authorizationis soughtis not “covered” equipmentprohibitedfrom receivingan equipmentauthorizationpursuantto section2.903 of the FCC rules. Note: If the equipmentfor which the applicantseeks authorizationis producedby any of the entitiesidentifiedon the currentCoveredList, the applicantshould includean explanationon why the equipmentis not “covered” equipment. SuperiorCommunicationsDBA PureGear(“the applicant”) certifiesthat, as of the date of the filing of the application,the applicantis not identifiedon the CoveredList (as a specificallynamedentity or any of its subsidiariesor affiliates)as an entity producing “covered” equipment. SuperiorCommunicationsDBA PureGear (“the applicant”) certifiesthat the equipmentfor which authorizationis soughtdoes not includecybersecurityor anti-virussoftware producedor providedby KasperskyLab, Inc. or any of its successorsand assignees, includingequipmentwith integratedKasperskyLab, Inc. (or any of its successorsand assignees)cybersecurityor anti-virussoftwarepursuantto DA-24-886and KDB 986446 D01 CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:ArthurChen Title: Vice Presidentof InternationalOperations- Sales CompanyName:SuperiorCommunicationsDBA PureGear Date: 05/15/2026

SuperiorCommunicationsDBA PureGear * the applicantmust designatea contactlocatedin the UnitedStatesfor purposesof actingas the applicant’s agent for serviceof process,regardlessof whetherthe applicantis a domesticor foreign entity.An applicantlocatedin the UnitedStatesmay designateitself as the agent for serviceof process. U.S. Agent Designationfor Serviceof Process- CertificationAttestationLetter 05/15/2026 TO : FederalCommunicationsCommission 7435 OaklandMills Road Columbia,MD 21046 ATTN.:ReviewingEngineer FCC ID: 2AIIF-12303TPG FRN of applicant: 0025605841 Per section2.911(d)(7)of the FCC rule s, [SuperiorCommunicationsDBA PureGear] (“the applicant”) certifiesthat the equipmentfor which authorizationis soughtis designated to the followingU.S.agent*forserviceof process: CompanyName:SuperiorCommunicationsDBA PureGear FCC RegistrationNumber(FRN):0025605841 PhysicalU.S. CompanyAddress:5027 IrwindaleAvenueSuite 900, Irwindale,California,91706, UnitedStates ContactPerson:ArthurChen Agent Email Address:[email protected] The abovecontactpersonacceptsthe obligationfor serviceof process. The applicantacceptsto maintainan agent for no less than one year after the granteehas terminatedall marketingand importationor the conclusionof any Commission-related proceedinginvolvingthe equipment. ApplicantSigned:AgentSigned(if differentfromApplicant): Signed: Printedname:ArthurChen Title: Vice Presidentof InternationalOperations- Sales CompanyName:SuperiorCommunications DBA PureGear Date: 05/15/2026 Signed: Printedname:ArthurChen Title: Vice Presidentof InternationalOperations- Sales CompanyName:SuperiorCommunications DBA PureGear Date: 05/15/2026

DATE:05/15/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointShenzhenEUTestingLaboratoryLimited (101,BuildingB1,FuqiaoFourthArea,QiaotouCommunityFuhaiSubdistrictBaoan District,Shenzhen,China)(NameofAgentcompanynameandaddress)toactasour agentinthepreparationofthisapplicationforequipmentcertification.Icertifythat submitteddocumentsproperlydescribethedeviceorsystemforwhichequipment certificationissought.Ialsocertifythateachunitmanufactured,importedormarketed,as definedintheFederalCommunicationsCommission’sregulationswillhaveaffixedtoita labelidenticaltothatsubmittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonour behalf,Iacknowledgethatallresponsibilityforcomplyingwiththetermsandconditions forcertification,stillresideswithSuperiorCommunicationsDBAPureGear(5027 IrwindaleAvenueSuite900,Irwindale,California,91706,UnitedStates) (ApplicantNameandaddress) Signed: Printedname:ArthurChen Title:VicePresidentofInternationalOperations-Sales CompanyName:SuperiorCommunicationsDBAPureGear Date:05/15/2026

Date05/15/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Sincerely, Signed: Printedname:ArthurChen Title:VicePresidentofInternationalOperations-Sales CompanyName:SuperiorCommunicationsDBAPureGear Date:05/15/2026

DATE05/15/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435 OaklandMills Road Columbia,MD 21046 FCC ID: ___ 2AIIF-12303TPG ______ Product Name: ___ PureBoom Mic Duo___ RequestforConfidentiality Pursuantto Sections0.457 and 0.459 of the commission’s rules, we herebyrequestthat the followingdocumentsbe held confidential: (List here the documentsfor which you are seekingconfidentiality– for example...)  Schematics Block diagram Operationdescription Thesematerialscontaintradesecretsand proprietaryinformationand are not customarilyreleasedto the public.The publicdisclosureof this informationmight be harmfulto the companyand provideunjustifiedbenefitsto our competitors. Signed: Printedname:ArthurChen Title: Vice Presidentof InternationalOperations- Sales CompanyName:SuperiorCommunicationsDBA PureGear Date: 05/15/2026

DATE: 05/15/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435 OaklandMills Road Columbia,MD 21046 FCC ID: 2AIIF-12303TPG Product Name: PureBoom Mic Duo Requestfor Short-TermConfidentiality Pursuantto Sections0.457 and 0.459 of the commissionrules, and in accordancewith the FCC Publicnotice dated June 15, 2004 (DA 04-1705),we herebyrequestshort-termconfidentialityfor the followingitems prior to marketingthe device.: Test SetupPhotos ExternalPhotos InternalPhotos User Manual The applicantrequeststhe exhibitsselectedaboveas short term confidentialbe withheldfrom public view for a periodof 180days from the date of the Grant of EquipmentAuthorizationand prior to marketing.This is to avoid prematurereleaseof sensitiveinformationprior to marketingor releaseof the productto the public. Signed: Printedname:ArthurChen Title: Vice Presidentof InternationalOperations- Sales CompanyName:SuperiorCommunicationsDBA PureGear Date: 05/15/2026

SuperiorCommunicationsDBAPureGear DeclarationonModelDifferences We, SuperiorCommunicationsDBAPureGear 5027 IrwindaleAvenueSuite 900, Irwindale,California,91706,UnitedStates Declarethat the followingproduct(s): Product Name: PureBoom Mic Duo Model No.: 12303TPG, 67077PG FCC ID: 2AIIF-12303TPG All modelsare same with electricalparametersand internalcircuit structure,but only differ in appearancecolor and modelname . Therefore,the(12303TPG)modelwill be the primary test model. The manufacturerwould take all the responsibilitiesfor the aboveproduct(s). For and on behalfof California,91706,UnitedStates AuthorizedpersonLocation Name:ArthurChen Position:VicePresidentof InternationalOperations- Sales Date of issue:2026-05-15 *I herebydeclarethat I am entitledto sign on behalfof the applicantand that the informationsuppliedis correctand complete.

RF EXPOSUREEVALUATION FCC ID: 2AIIF-12303TPG Accordingto FCC1.1310:Thecriterialistedin thefollowingtableshallbeused to evaluatetheenvironmentimpactof humanexposureto radiofrequency(RF) Radiationasspecifiedin KDB447498D01: RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. 2.4G: Channel (MHz) Maximum outputpower (dBm) Tune up tolerance (dBm) Max Tune Up Power (dBm) Distance (mm) Calculation results Limit Operating Mode 2402-2.32-2.32±1-1.3250.2293 2.4G2440-0.72-0.72±10.2850.3333 2480-0.10-0.10±10.9050.3873 TestResults:PASS.

TESTREPORT ReportNo.:8430EU012303W Applicant:SuperiorCommunicationsDBA PureGear Address:5027lrwindaleAvenueSuite900, lrwindale,California, 91706,UnitedStates ProductName:PureBoomMic Duo ModelNo.:12303TPG(referto clause2.4) Trademark:pureboom FCC ID:2AIIF-12303TPG Test Standard(s):47 CFRPart 15.247 Test Result:Pass Dateof Receipt:Apr. 23, 2026 Test Date:Apr. 23, 2026- May 08, 2026 Dateof Issue:May 12 , 2026 ISSUEDBY: SHENZHENEU TESTINGLABORATORYLIMITED Preparedby:Reviewedand Approvedby: LandonQiu/ EngineerSallyZhang/Manager Page2 of 56ReportNo.: 8430EU012303W TRF Version:A01 RevisionRecord ReportVersionIssuedDateDescriptionStatus V0May 12 , 2026OriginalValid Page3 of 56ReportNo.: 8430EU012303W TRF Version:A01 Tableof Contents 1COVERPAGE...................................................................................................................................................1 2GENERALINFORMATION........................................................................................................................5 2.1APPLICANTINFORMATION...................................................................................................................5 2.2MANUFACTURERINFORMATION...........................................................................................................5 2.3FACTORYINFORMATION......................................................................................................................5 2.4GENERALDESCRIPTIONOFE.U.T......................................................................................................5 2.5TECHNICALINFORMATIONOFE.U.T....................................................................................................6 3TESTSUMMARY.......................................................................................................................................7 3.1TESTSTANDARD................................................................................................................................7 3.2TESTVERDICT...................................................................................................................................7 3.3TESTLABORATORY............................................................................................................................8 4TESTCONFIGURATION...........................................................................................................................9 4.1TESTENVIRONMENT...........................................................................................................................9 4.2TESTEQUIPMENT...............................................................................................................................9 4.3DESCRIPTIONOFSUPPORTUNIT......................................................................................................11 4.4TESTMODE.....................................................................................................................................11 4.5DESCRIPTIONOFCALCULATION........................................................................................................11 4.5.1FieldStrengthCalculation..................................................................................................11 4.5.2DisturbanceCalculation.....................................................................................................11 4.6MEASUREMENTUNCERTAINTY..........................................................................................................12 4.7DEVIATIONFROMSTANDARDS..........................................................................................................12 4.8ABNORMALITIESFROMSTANDARDCONDITION..................................................................................12 5EVALUATIONRESULTS(EVALUATION)..............................................................................................13 5.1ANTENNAREQUIREMENT..................................................................................................................13 5.1.1Test Specification...............................................................................................................13 5.1.2Test Data ............................................................................................................................13 6RADIOSPECTRUMMATTERTESTRESULTS(RF) ............................................................................14 6.1CONDUCTEDEMISSIONATACPOWERLINE......................................................................................14 6.1.1Test Specification...............................................................................................................14 6.1.2E.U.T.Operation.................................................................................................................14 6.1.3Test SetupDiagram...........................................................................................................14 6.1.4Test Data ............................................................................................................................14 6.26DB BANDWIDTH.............................................................................................................................17 6.2.1Test Specification...............................................................................................................17 6.2.2E.U.T.Operation.................................................................................................................17 6.2.3Test SetupDiagram...........................................................................................................18 6.2.4Test Data ............................................................................................................................18 6.3MAXIMUMCONDUCTEDOUTPUTPOWER...........................................................................................19 6.3.1Test Specification........................................…

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咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz3216ChipAntenna:3216F245M01 第 1 页共 10 页 3216Chipantenna ForBluetooth/WLANApplicationsd P/N:RANT3216F245M01 Dimension(mm) L3.23±0.20 W1.66±0.20 T1.23±0.20 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz3216ChipAntenna:3216F245M01 第 2 页共 10 页 PartNumberInformation RANT3216F245M01 ABCDEF A ProductSeriesAntenna BDimensionLxW3.2X1.6mm(+-0.2mm) CMaterialHighKmaterial D WorkingFrequency2.4~2.5GHz E FeedingmodeMonopole&SingleFeeding F AntennatypeType=01 1.ElectricalSpecification Specification PartNumberRANT3216F245M01 CentralFrequency2450MHz Bandwidth100(Min.)MHz ReturnLoss-6.5(Max)dB PeakGaindB2.73i Impedance50Ohm OperatingTemperature -40～+85°C MaximumPower4W ResistancetoSolderingHeats 10(@260 °C ) sec. PolarizationLinear AzimuthBeamwidthOmni-directional TerminationCu/Sn(Leadless) Remark:Bandwidth&PeakGainwasmeasuredunderevaluationboardofnextpage 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz3216ChipAntenna:3216F245M01 第 3 页共 10 页 2.RecommendedPCBPattern EvaluationBoardDimension Unit:mm SuggestedMatchingCircuit 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz3216ChipAntenna:3216F245M01 第 4 页共 10 页 LayoutDimensionsinClearancearea ( Size=5.2*5.0mm ) 50ohmtransmissionLine MatchingCircuit FootPrint(Unit:mm) 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz3216ChipAntenna:3216F245M01 第 5 页共 10 页 3.MeasurementResults ReturnLoss 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz3216ChipAntenna:3216F245M01 第 6 页共 10 页 ChamberCoordinateSystem 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz3216ChipAntenna:3216F245M01 第 7 页共 10 页 4.ReliabilityandTestCondictions ITEMREQUIREMENTSTESTCONDITION Solderability1.Wettingshallexceed90%coverage 2.Novisiblemechanicaldamage TEMP(°C) 230°C 4±1sec. 150 °C 60sec Pre-heatingtemperature:150°C/60sec. Soldertemperature:230±5°C Duration:4±1sec. Solder:Sn-Ag3.0-Cu0.5 Fluxforleadfree:rosin Solderheat Resistance 1.Novisiblemechanicaldamage 2.CentralFreq.change:within±6% TEMP(°C) 260°C 10±0.5sec. 150°C 60sec Pre-heatingtemperature:150°C/60sec. Soldertemperature:260±5°C Duration:10±0.5sec. Solder:Sn-Ag3.0-Cu0.5 Fluxforleadfree:rosin Component Adhesion (Pushtest) 1.Novisiblemechanicaldamage Thedeviceshouldbereflow soldered(230±5°Cfor10sec.)toatinned coppersubstrateAdynometerforce gaugeshouldbeappliedthesideofthe component.Thedevicemustwith-ST-F 0.5Kgwithoutfailureofthetermination attachedtocomponent. Component Adhesion (Pulltest) 1.Novisiblemechanicaldamage Insert10cmwireintotheremainingopen eyebend,theendsofevenwirelengths upwardandwindtogether. Terminalshallnotberemarkably damaged. 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz3216ChipAntenna:3216F245M01 第 8 页共 10 页 Thermalshock 1.Novisiblemechanicaldamage 2.CentralFreq.change:within±6% Phase Temperature( °C ) Time(min) 1 +85±5°C 30±3 2 RoomWithin Temperature3sec 3 -40±2 °C 30±3 4 RoomWithin Temperature3sec +85 °C =>30±3min -40 °C =>30±3min Testcycle:10cycles Thechipshallbestabilizedatnormal conditionfor2~3hoursbefore measuring. Resistanceto High Temperature 1.Novisiblemechanicaldamage 2.CentralFreq.change:within±6% 3.Nodisconnectionorshortcircuit. Temperature:85±5 °C Duration:1000±12hrs Thechipshallbestabilizedatnormal conditionfor2~3hoursbefore measuring. Resistanceto Low Temperature 1.Novisiblemechanicaldamage 2.CentralFreq.change:within±6% 3.Nodisconnectionorshortcircuit. Temperature:-40±5 °C Duration:1000±12hrs Thechipshallbestabilizedatnormal conditionfor2~3hoursbefore measuring. Humidity 1.Novisiblemechanicaldamage 2.CentralFreq.change:within±6% 3.Nodisconnectionorshortcircuit. Temperature:40±2°C Humidity:90%to95%RH Duration:1000±12hrs Thechipshallbestabilizedatnormal conditionfor2~3hoursbefore measuring. 5.SolderingandMounting Mildlyactivatedrosinfluxesarepreferred.Theminimumamountofsoldercan leadtodamagefromthestressescausedbythedifferenceincoefficientsof expansionbetweensolder,chipandsubstrate.Theterminationsaresuitable forallwaveandre-flowsolderingsystems.Ifhandsolderingcannotbe avoided,thepreferredtechniqueistheutilizationofhotairsolderingtools. ReflowSoldering PRE-HEATING 250~260 230 180 150 SOLDERING 10smax. NATURAL COOLING IronSoldering PRE-HEATINGSOLDERINGNATURAL COOLING 60~120s30~60s TIME(sec.) TIME(sec.) Recommendedtemperatureprofilesforre-flowsolderinginFigure1. Productsattachmentwithasolderingironisdiscouragedduetotheinherent processcontrollimitations.Intheeventthatasolderingironmustbe employedthefollowingprecautionsarerecommended. within3s 350 150 Over60s Gradualcooling 300 T E M P E R A T U R E ( ° C ) T E M P E R A T U R E ( ° C ) 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz3216ChipAntenna:3216F245M01 第 9 页共 10 页 1.593.511.80 ‧Preheatcircuitandproductsto150°C ‧Nevercontacttheceramicwiththeirontip ‧Usea20wattsolderingironwithtipdiameterof1.0mm ‧280°Ctiptemperature(max) ‧1.0mmtipdiameter(max) ‧Limitsolderingtimeto3sec. 6.PackagingInformation TapeSpecification: ReelSpecification:(7’’,Φ180mm) 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd.TEL:13530576606 2.4GHz3216ChipAntenna:3216F245M01 第 10 页共 10 页 TapeWidth(mm)A(mm)B(mm)C(mm)D(mm)Chip/Reel(pcs) 89.0±0.560±213.5±0.5178±25000 7.StorageandTransportationInformation StorageConditions Tomaintainthesolderabilityofterminalelectrodes: 1.Temperatureandhumidityconditions:-10~40°Cand30~70%RH. 2.Recommendedproductsshouldbeusedwithin6monthsfromthetimeof delivery. 3.Thepackagingmaterialshouldbekeptwherenochlorineorsulfurexists intheair. TransportationConditions 1.Productsshouldbehandledwithcaretoavoiddamageorcontamination fromperspirationandskinoils. 2.Theuseoftweezersorvacuumpickupisstronglyrecommendedfor individualcomponents. 3.Bulkhandlingshouldensurethatabrasionandmechanicalshockare minimized.