DD4ADX1K54SBodypack Transmitter

120623-17 rev 9 Certification Application Attestation Statements Date: August 9, 2024 American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 To Whom It May Concern: Statement for 47 CFR section 2.911(d)(5)(i) _____Shure Incorporated _____ certifies that as of the date of the application the equipment for which authorization is sought is not “covered” equipment 1 prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, including affiliates or subsidiaries of the named companies, the applicant must include an explanation on why the equipment is not “covered” equipment. Additional Explanation: <N/A> Statement for 47 CFR section 2.911(d)(5)(ii) _____Shure Incorporated _____ (“the applicant”) certifies that, as of the date of the filing of this application, the applicant ☐ - is / ☐ - is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates – see KDB 986446 Question 5) as an entity producing “covered” equipment. Thank you, By: __________________________ ______ Juan Castrejon______ (Signature 2 ) (Print name) Title: ___ Engineer Associate Staff, GC ______ Company: ___ Shure Incorporated ______ Telephone: _____ 847-600-8651 ______ 1 - The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist . 2 - Letters must be placed on appropriate letterhead.

09 2723-17 Rev 9 U.S. Agent Designation for Service of Process (Applicant is Both Grantee and U.S. Agent) TO: American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information This letter is to confirm that the Applicant will also serve as the U.S. Agent for Service of Process as required by 47 CFR 2.911(d)(7). The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The Applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information changes. Applicant Company name: Shure Incorporated FRN #: 0030683478 Grantee Code: DD4 Contact Name: Juan Castrejon Street Address: 5800 W. Touhy Ave City/Province/Zip: Niles/ Illinois/ 60714-4608 Telephone No: 847-600-8651 Email: [email protected] Applicant Signature 1 : Date: August 9, 2024 Signed by (Printed Name/Title): Juan Castrejon / Engineer Associate Staff, GC 1 - Letters must be placed on appropriate letterhead. The signee for the applicant must be one of the following: Applicant ( grantee) contact of record in the FCC’s authorization system, or authorized officers or employee of the applicant (grantee).

Declaration letter For our business issue and marketing requirement, we would like to list different model number as following: FCC ID: DD4ADX1K54S Model No.: ADX1 K54, ADX1LEMO3 K54 Model Difference: ADX1 K54 and ADX1LEMO3 K54 are completely same except external audio connector, ADX1 K54 contains TQG connector, while ADX1LEMO3 K54 contains LEMO3 connector. Please find EUT external photos for detailed information. Signature: Print Name: Juan Castrejon Title: Engineer Associate Staff Company: Shure Incorporated Date: September 2, 2024

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:BodypackTransmitter FCCID:DD4ADX1K54S ModelNo.:ADX1K54,ADX1LEMO3K54 Sincerely, Signature： PrintName:JuanCastrejon Title:EngineerAssociateStaff Company:ShureIncorporated Date:August28,2024

CoverLetter Date:August28,2024 FederalCommunicationsCommission AuthorizationandEvaluationDivision FCCID:DD4ADX1K54S Pleasebenotifiedthatwe,theundersigned,ShureIncorporateddeclaresthattheproductwhich bearstheaboveFCCIDisalsocompliantwiththeFCCrequirementsforSDoC.AndtheSDoC procedureshallbecarriedoutpriortomarketingthedeviceintheUS. Sincerely, Signature： PrintName:JuanCastrejon Title:EngineerAssociateStaff Company:ShureIncorporated

050222-17 RequestforConfidentiality Date:September5,2024 Subject:ConfidentialityRequestfor:___DD4ADX1K54S___ 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____hasspentsubstantialeffortindevelopingthisproductanditisoneofthefirstofits kindinindustry.Havingthesubjectinformationeasilyavailableto"competition"wouldnegatetheadvantagethey haveachievedbydevelopingthisproduct.Notprotectingthedetailsofthedesignwillresultinfinancialhardship. PermanentConfidentiality: Theapplicantrequeststheexhibitslistedaboveaspermanentlyconfidentialbepermanentlywithheldfrompublic reviewduetomaterialsthatcontaintradesecretsandproprietaryinformationnotcustomarilyreleasedtothepublic. Short-TermConfidentialityforFCCApplications: Theapplicantrequeststheexhibitsselectedaboveasshorttermconfidentialbewithheldfrompublicviewfora periodof__(180) 2 ___daysfromthedateoftheGrantofEquipmentAuthorizationandpriortomarketing.Thisisto avoidprematurereleaseofsensitiveinformationpriortomarketingorreleaseoftheproducttothepublic.Applicant isalsoawarethattheyareresponsibletonotifyACBintheeventinformationregardingtheproductortheproductis madeavailabletothepublicbeforetherequestedperiodhasexpired.ACBwillthenreleasethedocumentslisted aboveforpublicdisclosurepursuanttoFCCPublicNoticeDA04-1705. ShortTermConfidentialityforIndustryCanadaApplications: StartingMay2022,ISEDwillrecognizeshorttermconfidentialityoncertainexhibitsuntiltheintendeddateof marketing.Theapplicantrequeststheexhibitsselectedaboveasshorttermconfidentialbewithheldfrompublic viewuntil:(specifyISEDexpirationdate/dateofmarketing). Sincerely, By:EngineerAssociateStaff______JuanCastrejon______ (Signature/Title 3 )(Printname) 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. 3 -MustbesignedbyapplicantcontactgivenforapplicantontheFCCsite,orbytheauthorizedagentifanappropriateauthorizedagent letterhasbeenprovided.Lettersshouldbeplacedonappropriateletterhead.

Label and Label Location TQG connector LEMO3 connector HVIN: ADX1K54S HVIN: ADX1LEMO3K54S

MRT Technology (Suzhou) Co., Ltd Report No.: 2407RSU039-U10 Phone: +86-512-66308358 Report Version: V01 Web: www.mrt-cert.com Issue Date: 2024-08-31 Template Version:0.0 1 of 50 SAR MEASUREMENT REPORT FCC ID: DD4ADX1K54S Applicant: Shure Incorporated Product: Bodypack Transmitter Model No.: ADX1 K54, ADX1LEMO3 K54 Brand Name: , FCC Rule Part(s): FCC 47 CFR Part 2.1093 Result: Complies Received Date: 2024-07-18 Test Date: 2024-08-19 ~ 2024-08-20 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.: 2407RSU039-U10 2 of 50 Revision History Report No. Version Description Issue Date Note 2407RSU039-U10 V01 Initial Report 2024-08-31 Valid Report No.: 2407RSU039-U10 3 of 50 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 .................................................................................................... 7 1.6. Antennas Details .......................................................................................................................... 7 2. Summary of Test Result ........................................................................................................................ 8 2.1. Test Standards ............................................................................................................................. 8 2.2. Environment Condition ................................................................................................................. 8 2.3. RF Exposure Limits ...................................................................................................................... 8 2.4. Test Result Summary .................................................................................................................. 9 3. Specific Absorption Rate (SAR) .......................................................................................................... 10 3.1. Introduction ................................................................................................................................ 10 3.2. Definition .................................................................................................................................... 10 4. DASY6 Measurement System.............................................................................................................. 11 4.1. Introduction ................................................................................................................................ 11 4.2. DASY6 Measurement System Diagram .................................................................................... 11 4.3. System Components Details...................................................................................................... 12 5. The SAR Measurement Procedure ..................................................................................................... 23 5.1. Measurement Process Diagram ................................................................................................ 23 5.2. Test Position Definition .............................................................................................................. 24 5.3. Test Procedure .......................................................................................................................... 27 6. System Verificaiton .............................................................................................................................. 30 6.1. SAR Tissue Check ..................................................................................................................... 30 6.2. SAR System Check ................................................................................................................... 33 7. Analysis and Results ........................................................................................................................... 35 7.1. Antenna Location ....................................................................................................................... 35 7.2. Conducted Power ...................................................................................................................... 36 7.3. SAR Test Results ....................................................................................................................... 37 8. Simultaneous Transmission Analysis ................................................................................................ 39 9. Measuring Instrument .......................................................................................................................... 40 10. Measurement Uncertainty .................................................................................................................... 41 Annex A - System Check Result …

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

Return Loss and Impedance Indicated By Head Tissue Meas. Items Original Value Current Value Deviation Return Loss(dB) -21.6 -23.24 7.59% Impedance 59.0Ω + 1.1jΩ 56.92Ω + 2.37jΩ -2.08Ω Real part 1.27Ω Imaginary part Test Date: 2023/12/13 Return Loss and Impedance Indicated By Head Tissue Meas. Items Original Value Current Value Deviation Return Loss(dB) -23.0 -24.9 8.26% Impedance 56.5Ω - 3.8jΩ 56.06Ω - 0.29jΩ -0.44Ω Real part 3.51Ω Imaginary part Test Date: 2023/0 9/06

MRTTechnology(Suzhou)Co.,LtdReportNo.:2407RSU039-U4 Phone:+86-512-66308358ReportVersion:V01 Web:www.mrt-cert.comIssueDate:2024-08-28 1of43 RFMEASUREMENTREPORT FCCID:DD4ADX1K54S Applicant:ShureIncorporated Product:BodypackTransmitter ModelNo.:ADX1K54,ADX1LEMO3K54 BrandName: , FCCClassification:Part15WirelessMicrophone(DWM) FCCRulePart(s):Part15SubpartC(Section15.236) Result:Complies ReceivedDate:2024-07-18 TestDate:2024-08-02~2024-08-15 ReviewedBy: JameYuan ApprovedBy: RobinWu Thetestresultsrelateonlytothesamplestested. Thetestresultsshowninthetestreportaretraceabletothenational/internationalstandardsthroughthe calibrationoftheequipmentandevaluatedmeasurementuncertaintyherein. ThetestreportshallnotbereproducedexceptinfullwithoutthewrittenapprovalofMRTTechnology(Suzhou) Co.,Ltd. ReportNo.:2407RSU039-U4 2 of 43 RevisionHistory ReportNo.VersionDescriptionIssueDateNote 2407RSU039-U4V01InitialReport2024-08-28Valid ReportNo.:2407RSU039-U4 3 of 43 CONTENTS DescriptionPage CONTENTS........................................................................................................................................................3 1.GeneralInformation.................................................................................................................................5 1.1.Applicant.......................................................................................................................................5 1.2.Manufacturer.................................................................................................................................5 1.3.TestingFacility..............................................................................................................................5 1.4.ProductInformation.......................................................................................................................6 1.5.RadioSpecificationunderTest.....................................................................................................6 1.6.WorkingFrequencies....................................................................................................................7 2.TestConfiguration...................................................................................................................................8 2.1.TestMode.....................................................................................................................................8 2.2.TestSoftware................................................................................................................................8 2.3.AppliedStandards.........................................................................................................................8 2.4.TestEnvironmentCondition.........................................................................................................8 3.MeasuringInstrument.............................................................................................................................9 4.DecisionRulesandMeasurementUncertainty..................................................................................10 4.1.DecisionRules............................................................................................................................10 4.2.MeasurementUncertainty...........................................................................................................10 5.TestResult..............................................................................................................................................11 5.1.Summary.....................................................................................................................................11 5.2.99%OccupiedBandwidthMeasurement...................................................................................12 5.2.1.TestLimit.....................................................................................................................................12 5.2.2.TestProcedure............................................................................................................................12 5.2.3.TestSetting.................................................................................................................................12 5.2.4.TestSetup...................................................................................................................................12 5.2.5.TestResult..................................................................................................................................12 5.3.FrequencyToleranceMeasurement...........................................................................................13 5.3.1.TestLimit.....................................................................................................................................13 5.3.2.TestProcedure............................................................................................................................13 5.3.3.TestSetting.................................................................................................................................13 5.3.4.TestSetup...................................................................................................................................14 5.3.5.TestResult..................................................................................................................................14 5.4.NecessaryBandwidthMeasurement..........................................................................................15 5.4.1.TestLimit.....................................................................................................................................15 5.4.2.TestProcedure............................................................................................................................15 ReportNo.:2407RSU039-U4 4 of 43 5.4.3.TestSetting...........................................................…

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

Measurements of Shure Axient Digital ADX1 UHF and 2.4 GHz Antennas For Regulatory Approval Shure Incorporated August 19, 2024 Prepared by Adem Celebi, Ph.D. Table of Contents 1. Shure ADX1 – Body Pack Transmitter .................................................................................................. 3 1.1 Design Overview and Reference Angles ........................................................................................ 3 1.2 Test Setup ....................................................................................................................................... 5 2. Test Results ............................................................................................................................................. 7 2.1 ADX1 UHF Antenna (Dipole/Monopole Type) ................................................................................ 7 2.1.1 ADX1 G56 (operating band 470-636MHz) ......................................................................... 7 2.1.2 ADX1 G57 (operating band 470-616MHz) ......................................................................... 8 2.1.3 ADX1 G62 (operating band 510-530MHz) ......................................................................... 9 2.1.4 ADX1 K54 (operating band 606-663MHz) ....................................................................... 10 2.1.5 ADX1 K55 (operating band 606-694MHz) ....................................................................... 11 2.1.6 ADX1 K57 (operating band 606-790MHz) ....................................................................... 12 2.1.7 ADX1 JB (operating band 806-810MHz) ......................................................................... 13 2.1.8 ADX1 X55 (operating band 941-960MHz) ....................................................................... 14 2.1.9 ADX1 X56 (operating band 960-1000MHz) ..................................................................... 15 2.2 ADX1 Zigbee Antenna (Conformal Custom Type) ........................................................................ 16 2.2.1 Antenna A - SMA Side (operating band 2405-2483.5MHz) ............................................. 16 2.2.2 Antenna B - SMA Side (operating band 2405-2483.5MHz) ............................................. 17 1. Shure ADX1 – Bodypack Transmitter 1.1 Design Overview and Reference Angles Figure 1 Shure ADX1 UHF and Zigbee Antennas Overview Figure 2 Shure ADX1 UHF and Zigbee Antennas Block Diagram 1.2 Test Setup Figure 3 Shure ADX1 Reference Angles Figure 4 Photo of Shure ADX1 in Antenna Chamber Supporting Test Equipment List and Software: - E5071C ENA series Vector Network Analyzer 100kHz-8.5GHz - ETS Model 2090 Multi Device Controller - ETS Lindgren Model 3164-10 3164-10 Open Boundary Quad-Ridged Horn 400MHz-10GHz - ETS Lindgren Model 3126-2450 Precision Sleeve Dipole - ETS Lindgren Model 3122D-DB4 Tuned Dipole Antenna - EMQuest Data Acquisition and Analysis Software 2. Test Results 2.1 ADX1 UHF Antenna (Dipole/Monopole Type) 2.1.1 ADX1 G56 (operating band 470-636MHz, Antenna Model: 95D9043) Peak Gain Parameter Type Pattern 470 MHz 553 MHz 636 MHz UHF Antenna Dipole Omni -3.0 dBi 0 dBi -0.2 dBi Figure 5 – ADX1 (G56) 3D radiation patterns and scale at max peak gain 2.1.2 ADX1 G57 (operating band 470-616MHz, Antenna Model: 95D9043) Peak Gain Parameter Type Pattern 470 MHz 543 MHz 616 MHz UHF Antenna Dipole Omni -3.0 dBi -0.2 dBi 0.4 dBi Figure 6 – ADX1 (G57) 3D radiation patterns and scale at max peak gain 2.1.3 ADX1 G62 (operating band 510-530MHz, Antenna Model: 95G9043) Peak Gain Parameter Type Pattern 510 MHz 520 MHz 530 MHz UHF Antenna Dipole Omni 0 0.2 dBi -0.4 dBi Figure 7 – ADX1 (G62) 3D radiation patterns and scale at max peak gain Shure Axient Digital ADX1 2.1.10 ADX1 K54 (operating band 606-663MHz, Antenna Model: 95E9043) Peak Gain Parameter Type Pattern 606 MHz 650 MHz 663 MHz UHF Antenna Dipole Omni 0.3 dBi 0.5 dBi 0.6 dBi Figure 8 – ADX1 (K54) 3D radiation patterns and scale at max peak gain

Shure Axient Digital ADX1 2.1.5 ADX1 K55 (operating band 606-694MHz, Antenna Model: 95E9043) Peak Gain Parameter Type Pattern 606 MHz 650 MHz 694 MHz UHF Antenna Dipole Omni 0.3 dBi 0.5 dBi 0.6 dBi Figure 9 – ADX1 (K55) 3D radiation patterns and scale at max peak gain Shure Axient Digital ADX1 2.1.6 ADX1 K57 (operating band 606-790MHz, Antenna Model: 95F9043) Peak Gain Parameter Type Pattern 606 MHz 698 MHz 790 MHz UHF Antenna Dipole Omni -2.5 dBi 0.1 dBi 0.6 dBi Figure 10 – ADX1 (K57) 3D radiation patterns and scale at max peak gain Shure Axient Digital ADX1 2.1.8 ADX1 JB (operating band 806-810MHz, Antenna Model: 95F9043) Peak Gain Parameter Type Pattern 806 MHz 808 MHz 810 MHz UHF Antenna Dipole Omni 0.8 dBi 0.8 dBi 0.8 dBi Figure 11 – ADX1 (JB) 3D radiation patterns and scale at max peak gain Shure Axient Digital ADX1 2.1.8 ADX1 X55 (operating band 941-960MHz, Antenna Model: 95H9043) Peak Gain Parameter Type Pattern 941 MHz 950 MHz 960 MHz UHF Antenna Dipole Omni 0.1 dBi 0.1 dBi 0.1 dBi Figure 12 – ADX1 (X55) 3D radiation patterns and scale at max peak gain Shure Axient Digital ADX1 2.1.10 ADX1 X56 (operating band 960-1000MHz, Antenna Model: 95H9043) Peak Gain Parameter Type Pattern 960 MHz 980 MHz 1000 MHz UHF Antenna Dipole Omni 0.1 dBi 0.1 dBi 0.1 dBi Figure 13 – ADX1 (X56) 3D radiation patterns and scale at max peak gain Shure Axient Digital ADX1 2.2 ADX1 Zigbee Antenna (Conformal Custom Type) 2.2.1 Antenna A - SMA Side (operating band 2405-2483.5MHz, Antenna Model: 90A35383) Peak Gain Parameter Type Pattern 2405 MHz 2445 MHz 2483.5 MHz Zigbee Antenna A Conformal Custom Omni 0 dBi 2 dBi 1.3 dBi Figure 14 – ADX1 Zigbee Antenna A – SMA side - 3D radiation patterns and scale at max peak gain Shure Axient Digital ADX1 2.2.2 Antenna B - SMA Side (operating band 2405-2483.5MHz, Antenna Model: 90B35383) Peak Gain Parameter Type Pattern 2405 MHz 2445 MHz 2483.5 MHz Zigbee Antenna B Conformal Custom Omni 0 dBi 2 dBi 1.3 dBi Figure 15 – ADX1 Zigbee Antenna B – TQG/LEMO side - 3D radiation patterns and scale at max peak gain