DD4SBD001USB-C Bluetooth Adapter

120623-17rev9 CertificationApplicationAttestationStatements Date:May31,2024 AmericanCertificationBody,Inc. 313ParkAvenue Suite300 FallsChurch,VA22046 ToWhomItMayConcern: Statementfor47CFRsection2.911(d)(5)(i) _____ShureIncorporated_____certifiesthatasofthedateoftheapplicationtheequipmentforwhich authorizationissoughtisnot“covered”equipment 1 prohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedbyanyoftheentities identifiedonthecurrentCoveredList,includingaffiliatesorsubsidiariesofthenamedcompanies,the applicantmustincludeanexplanationonwhytheequipmentisnot“covered”equipment. AdditionalExplanation:<N/A> Statementfor47CFRsection2.911(d)(5)(ii) _____ShureIncorporated_____(“theapplicant”)certifiesthat,asofthedateofthefilingofthis application,theapplicant☐-is/☐-isnot identifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesoraffiliates– seeKDB986446Question5)asanentityproducing“covered”equipment. Thankyou, By:________________________________CraigKozokar______ (Signature 2 )(Printname) Title:___Assoc.StaffEngineer______ Company:___ShureIncorporated______Telephone:_____847-600-8652______ 1 -TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedontheCommission’swebsite.This CoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedbyparticularentities,thatconstitutes“covered”equipment. https://www.fcc.gov/supplychain/coveredlist. 2 -Lettersmustbeplacedonappropriateletterhead.

092723-17Rev9 U.S.AgentDesignationforServiceofProcess (ApplicantisBothGranteeandU.S.Agent) TO:AmericanCertificationBody,Inc. 313ParkAvenue Suite300 FallsChurch,VA22046 ATTENTION:FCCCertification–Section2.911(d)(7)Information ThisletteristoconfirmthattheApplicantwillalsoserveastheU.S.AgentforServiceof Processasrequiredby47CFR2.911(d)(7).TheApplicantacknowledgesthatthey mustmaintainanagentfornolessthanoneyearafterterminatingallmarketingand importationORtheconclusionofanyCommission-relatedproceedinginvolvingthe equipment.TheApplicantfurtheracknowledgestheirresponsibilitytoinformtheFCC whenevertheDesignatedU.S.Agentinformationchanges. Applicant Companyname:ShureIncorporated FRN#:0030683478 GranteeCode:DD4 ContactName:CraigKozokar StreetAddress:5800W.TouhyAve City/Province/Zip:Niles/Illinois/60714-4608 TelephoneNo:847-600-8652 Email:[email protected] ApplicantSignature 1 : Date:May31,2024 Signedby(PrintedName/Title):CraigKozokar/Assoc.StaffEngineer 1 - Lettersmustbeplacedonappropriateletterhead.Thesigneefortheapplicantmustbeoneofthefollowing:Applicant(grantee) contactofrecordintheFCC’sauthorizationsystem,orauthorizedofficersoremployeeoftheapplicant(grantee).

050222-17 RequestforConfidentiality Date:June28,2024 Subject:ConfidentialityRequestfor:______DD4SBD001_____ PursuanttoFCC47CFR0.457(d)and0.459and/orICRSP-100,Section12.4,theapplicantrequeststhatapartofthe subjectapplication(s)beheldconfidential. TypeofConfidentialityRequestedExhibit ☐ShortTerm☒PermanentBlockDiagrams ☒ShortTerm---------------------------ExternalPhotos ☒ShortTerm☐Permanent* 1 InternalPhotos ☐ShortTerm☒PermanentOperationDescription/TheoryofOperation ☐ShortTerm☐PermanentPartsList&Placement/BOM ☐ShortTerm☐PermanentTune-UpProcedure ☐ShortTerm☒PermanentSchematics ☒ShortTerm---------------------------TestSetupPhotos ☒ShortTerm☐Permanent* 1 User’sManual _____ShureIncorporated_______hasspentsubstantialeffortindevelopingthisproductanditisoneofthefirstof itskindinindustry.Havingthesubjectinformationeasilyavailableto"competition"wouldnegatetheadvantagethey haveachievedbydevelopingthisproduct.Notprotectingthedetailsofthedesignwillresultinfinancialhardship. PermanentConfidentiality: Theapplicantrequeststheexhibitslistedaboveaspermanentlyconfidentialbepermanentlywithheldfrompublic reviewduetomaterialsthatcontaintradesecretsandproprietaryinformationnotcustomarilyreleasedtothepublic. Short-TermConfidentialityforFCCApplications: Theapplicantrequeststheexhibitsselectedaboveasshorttermconfidentialbewithheldfrompublicviewfora periodof__(specifynumberofdaysnottoexceed180) 2 ___daysfromthedateoftheGrantofEquipment Authorizationandpriortomarketing.Thisistoavoidprematurereleaseofsensitiveinformationpriortomarketing orreleaseoftheproducttothepublic.ApplicantisalsoawarethattheyareresponsibletonotifyACBintheevent informationregardingtheproductortheproductismadeavailabletothepublicbeforetherequestedperiodhas expired.ACBwillthenreleasethedocumentslistedaboveforpublicdisclosurepursuanttoFCCPublicNoticeDA 04-1705. ShortTermConfidentialityforIndustryCanadaApplications: StartingMay2022,ISEDwillrecognizeshorttermconfidentialityoncertainexhibitsuntiltheintendeddateof marketing.Theapplicantrequeststheexhibitsselectedaboveasshorttermconfidentialbewithheldfrompublic viewuntil:(specifyISEDexpirationdate/dateofmarketing). Sincerely, By:Assoc.StaffEngineer____________________CraigKozokar______ 1 -Theasteriskeditems(*)requirefurtherinformationtobeprovidedtoACBbeforepermanentconfidentialitywillbeextendedtothese exhibits.PleaserefertoFCCKDB726920andthespecificDocumentlinkforD01foundat: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731andreviewsectionII,3)regardingspecific informationthatmustaccompanytheserequests. 2 -Pleaserefertohttps://acbcert.com/documents/misc-docs/Memo-Short-Term-Vs-Standard-Confidentiality.pdfforcompletedetails. 050222-17 (Signature/Title 3 )(Printname) 3 -MustbesignedbyapplicantcontactgivenforapplicantontheFCCsite,orbytheauthorizedagentifanappropriateauthorizedagent letterhasbeenprovided.Lettersshouldbeplacedonappropriateletterhead.

DeclarationofAuthorization We Name:ShureIncorporated Address:5800WestTouhyAvenue,Niles,IL60714-4608,USA Declarethat: NameRepresentativeofagent:MarlinChen AgentCompanyname:MRTTechnology(Suzhou)Co.,Ltd Address:D8Building,YouxinIndustrialPark,No.2 Tian'edangRd.,WuzhongEconomicDevelopment Zone City:Suzhou Country:China isauthorizedtoapplyforCertificationofthefollowingproduct(s): Product:USB-CBluetoothAdapter FCCID:DD4SBD001 ModelNo.:SBD001 Sincerely, Signature： PrintName:CraigKozokar Title:Assoc.StaffEngineer Company:ShureIncorporated Date:June28,2024

CoverLetter Date:June28,2024 FederalCommunicationsCommission AuthorizationandEvaluationDivision FCCID:DD4SBD001 Pleasebenotifiedthatwe,theundersigned,ShureIncorporateddeclaresthattheproductwhich bearstheaboveFCCIDisalsocompliantwiththeFCCrequirementsforSDoC.AndtheSDoC procedureshallbecarriedoutpriortomarketingthedeviceintheUS. Sincerely, Signature： PrintName:CraigKozokar Title:Assoc.StaffEngineer Company:ShureIncorporated

Label Location Front ViewRear View Label and Label Location

MRT Technology (Suzhou) Co., Ltd Report No.: 2405RSU022-U2 Phone: +86-512-66308358 Report Version: V01 Web: www.mrt-cert.com Issue Date: 2024-06-28 Template Version:0.0 1 of 43 SAR MEASUREMENT R EPORT FCC ID: DD4SBD001 Applicant: Shure Incorporated Product: USB-C Bluetooth Adapter Model No.: SBD001 Brand Name: , FCC Rule Part(s): FCC 47 CFR Part 2.1093 Result: Complies Received Date: 2024-05-21 Test Date: 2024-06-07 Reviewed By: Jame Yuan Approved By: Robin Wu The test results relate only to the samples tested. This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in IEEE1528, KDB 447498 and KDB 865664. Test results reported herein relate only to the item(s) tested. The test report shall not be reproduced except in full without the written approval of MRT Technology (Suzhou) Co., Ltd. Report No.: 2405RSU022-U2 2 of 43 Revision History Report No. Version Description Issue Date Note 2405RSU022-U2 V01 Initial Report 2024-06-28 Valid Report No.: 2405RSU022-U2 3 of 43 CONTENTS Description Page 1. General Information ............................................................................................................................... 5 1.1. Applicant ...................................................................................................................................... 5 1.2. Manufacturer ................................................................................................................................ 5 1.3. Testing Facility ............................................................................................................................. 5 1.4. Product Information ...................................................................................................................... 6 1.5. Radio Specification under Test .................................................................................................... 6 1.6. Antennas Details .......................................................................................................................... 6 2. Summary of Test Result ........................................................................................................................ 7 2.1. Test Standards ............................................................................................................................. 7 2.2. Environment Condition ................................................................................................................. 7 2.3. RF Exposure Limits ...................................................................................................................... 7 2.4. Test Result Summary .................................................................................................................. 8 3. Specific Absorption Rate (SAR) ............................................................................................................ 9 3.1. Introduction .................................................................................................................................. 9 3.2. Definition ...................................................................................................................................... 9 4. DASY6 Measurement System ............................................................................................................. 10 4.1. Introduction ................................................................................................................................ 10 4.2. DASY6 Measurement System Diagram .................................................................................... 10 4.3. System Components Details ...................................................................................................... 11 5. The SAR Measurement Procedure ..................................................................................................... 22 5.1. Measurement Process Diagram ................................................................................................ 22 5.2. Test Position Definition .............................................................................................................. 23 5.3. Test Procedure .......................................................................................................................... 26 6. System Verificaiton .............................................................................................................................. 29 6.1. SAR Tissue Check ..................................................................................................................... 29 6.2. SAR System Check ................................................................................................................... 32 7. Analysis and Results ........................................................................................................................... 34 7.1. Antenna Location ....................................................................................................................... 34 7.2. Conducted Power ...................................................................................................................... 34 7.3. SAR Test Results ....................................................................................................................... 35 8. Measuring Instrument .......................................................................................................................... 36 9. Measurement Uncertainty.................................................................................................................... 37 Annex A - System Check Result .................................................................................................................. 39 Annex B - Test Data Plots ........................…

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THISDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFSUNITEC ENTERPRISECO.,LTD.ANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION PAGE5OF5 0 ANTENNASPECIFICATION Client： Project： Shure Version： Manufacturer orSupplier Address SBD1-UC IssuedDate： 29-Feb-24 TestedbyMolite Approvedb V0.1.1.2 Sunitec Enterprise Co., LTD. Building C No.725 , WeiXiangTai Industrial zone,FuCheng street , LongHua district , ShenZhen,GuangDong, China yHuangzhishun THISDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFSUNITEC ENTERPRISECO.,LTD.ANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION PAGE5OF5 1 Contents 1.RevisionHistory 2.Introduction 3.ElectricalCharacteristics THISDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFSUNITEC ENTERPRISECO.,LTD.ANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION PAGE5OF5 2 1.RevisionHistory Rev.NoIssuedDateDescriptionSummary V1.029-Feb-24initialrelease 2.Introduction 2.1IntroductionofProduct ThisproductisFPCantenna 2.2SpecificationandDimension 3.ElectricalCharacteristics 3.1Testequipment: Unit:m VECTOR NETWORK ANALYZER Agilent E5071C calibration date26 Oct 23 period of validity25 Oct 24 Certificate No.DH23AX037490039 Antenna Measurement System ETS-Lindgren Antenna Measurement System m THIS DRAWINGSANDSPECIFICATIONSARE THE PROPERTYOF SUNITEC ENTERPRISECO.,LTD.ANDSHALLNOT BE REPRODUCEDOR USEDAS THE BASISFOR THE MANUFACTUREOR SALEOF APPARATUSOR DEVICESWITHOUTPERMISSION PAGE5OF5 3 3.2 AntennaS11 parameters 3.3 AntennaTest Settings: THISDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFSUNITEC ENTERPRISECO.,LTD.ANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION PAGE5OF5 4 3.42/3DRadiationPattern: 3.5AntennaData: Freq(MHz)Efficiency(dB)Efficiency(%)Gain(dB) 2400-5.3529.11-2.09 2410-5.0231.41-1.70 2420-4.8732.53-1.53 2430-4.6734.11-1.51 2440-4.4535.88-1.45 2450-4.3936.36-1.29 2460-4.2937.20-0.94 2470-4.2737.38-1.09 2480-4.3536.64-1.20 2476-4.1938.10-1.08 2463-4.2837.29-0.88 3.6ElectricalCharacteristics: AntennatypeFPCAntenna WorkingFrequencyRange2450+/-50MHz Impedance50Ω MaxEfficiency(%)38.1%@2476MHz MaxpeakGain(dBi)-0.88dBi@2463MHz

MRT Technology (Suzhou) Co., Ltd Report No.: 2405RSU022-U4 Phone: +86-512-66308358 Report Version: V01 Web: www.mrt-cert.com Issue Date: 2024-06-28 Template Version:0.0 1 of 61 RF MEASUREMENT REPORT FCC ID: DD4SBD001 Applicant: Shure Incorporated Product: USB-C Bluetooth Adapter Model No.: SBD001 Brand Name: , FCC Classification: Digital Transmission System (DTS) FCC Rule Part(s): Part 15 Subpart C (Section 15.247) Result: Complies Received Date: 2024-05-21 Test Date: 2024-05-29 ~ 2024-06-16 Reviewed By: Jame Yuan Approved By: Robin Wu The test results relate only to the samples tested. This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in ANSI C63.10-2013. Test results reported herein relate only to the item(s) tested. The test report shall not be reproduced except in full without the written approval of MRT Technology (Suzhou) Co., Ltd. Report No.: 2405RSU022-U4 2 of 61 Revision History Report No. Version Description Issue Date Note 2405RSU022-U4 V01 Initial Report 2024-06-28 Valid Report No.: 2405RSU022-U4 3 of 61 CONTENTS Description Page 1. General Information ................................................................................................................................ 5 1.1. Applicant ...................................................................................................................................... 5 1.2. Manufacturer ................................................................................................................................ 5 1.3. Testing Facility ............................................................................................................................. 5 1.4. Product Information ...................................................................................................................... 6 1.5. Radio Specification under Test .................................................................................................... 6 1.6. Working Frequencies ................................................................................................................... 7 2. Test Configuration ................................................................................................................................... 8 2.1. Test Mode ..................................................................................................................................... 8 2.2. Test System Connection Diagram................................................................................................ 8 2.3. Test Software ............................................................................................................................... 8 2.4. Applied Standards ........................................................................................................................ 9 2.5. Test Environment Condition ......................................................................................................... 9 3. Antenna Requirements ......................................................................................................................... 10 4. Measuring Instrument ........................................................................................................................... 11 5. Decision Rules and Measurement Uncertainty .................................................................................. 12 5.1. Decision Rules ........................................................................................................................... 12 5.2. Measurement Uncertainty .......................................................................................................... 12 6. Test Result .............................................................................................................................................. 13 6.1. Summary .................................................................................................................................... 13 6.2. 6dB Bandwidth Measurement .................................................................................................... 14 6.2.1. Test Limit .................................................................................................................................... 14 6.2.2. Test Procedure ........................................................................................................................... 14 6.2.3. Test Setting ................................................................................................................................ 14 6.2.4. Test Setup .................................................................................................................................. 14 6.2.5. Test Result ................................................................................................................................. 14 6.3. Output Power Measurement ...................................................................................................... 15 6.3.1. Test Limit .................................................................................................................................... 15 6.3.2. Test Procedure ........................................................................................................................... 15 6.3.3. Test Setting ................................................................................................................................ 15 6.3.4. Test Setup .................................................................................................................................. 15 6.3.5. Test Result ................................................................................................................................. 15 6.4. Power Spectral Density Measurement ..................…

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