FCC ID DD4ADTQX55

Wireless Quad Transmitter

by Shure Incorporated

Grantee Code: DD4   Product Code: ADTQX55
Latest application date: 2026-03-25

FCC ID Device Details

FCC IDDD4ADTQX55
Mirrorsfcc.id | gov | fccid.ai
Grantee CodeDD4
Product CodeADTQX55
Applicant BusinessShure Incorporated 🇺🇸
Related Domains shure.com
Equipment ClassWireless Quad Transmitter
Test FirmMRT Technology (Suzhou) Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
956.575-959.725 MHzClass II permissive change or modification of presently authorized equipment2026-03-25
941.625-951.875 MHzClass II permissive change or modification of presently authorized equipment2025-06-26
941.625-951.875 MHzOriginal Equipment2024-12-10

Exhibits

DocumentTypeAvailableFile
ADTQ X55_User ManualUsers Manual2026-03-25PDF 4.9 MB
ADTQ-ADTD_User Manual_Update1209Users Manual2025-01-01PDF 5.5 MB
TempConfidential_ADTQ X55_AD8C Combiner_UGUsers Manual2025-01-01PDF 2.4 MB
TempConfidential_ADTQ-ADTD-User-Manual_for FCC ICUsers ManualPDF 4.8 MB
R26S1024018-UE_X55 AC_Internal PhotographInternal Photos2026-03-25PDF 5.2 MB
R26S1024018-UE_X55 DC_Internal PhotographInternal Photos2026-03-25PDF 4.9 MB
TempConfidential_Internal Photograph-ADTQ-C AC X55_Part1Internal Photos2025-01-01PDF 4.7 MB
TempConfidential_Internal Photograph-ADTQ-C AC X55_Part2Internal Photos2025-01-01PDF 4.7 MB
TempConfidential_Internal Photograph-ADTQ-C AC X55_Part3Internal Photos2025-01-01PDF 5.3 MB
TempConfidential_Internal Photograph-ADTQ-C AC X55_Part4Internal Photos2025-01-01PDF 5.1 MB
TempConfidential_Internal Photograph-ADTQ-C AC X55_Part5Internal Photos2025-01-01PDF 3.8 MB
TempConfidential_Internal Photograph-ADTQ-C AC X55_Part6Internal Photos2025-01-01PDF 5.5 MB
TempConfidential_Internal Photograph-ADTQ-C AC X55_Part7Internal Photos2025-01-01PDF 5.4 MB
TempConfidential_Internal Photograph-ADTQ-C DC X55_Part1Internal Photos2025-01-01PDF 4.6 MB
TempConfidential_Internal Photograph-ADTQ-C DC X55_Part2Internal Photos2025-01-01PDF 4.6 MB
TempConfidential_Internal Photograph-ADTQ-C DC X55_Part3Internal Photos2025-01-01PDF 3.7 MB
TempConfidential_Internal Photograph-ADTQ-C DC X55_Part4Internal Photos2025-01-01PDF 5.1 MB
TempConfidential_Internal Photograph-ADTQ-C DC X55_Part5Internal Photos2025-01-01PDF 3.8 MB
TempConfidential_Internal Photograph-ADTQ-C DC X55_Part6Internal Photos2025-01-01PDF 5.5 MB
TempConfidential_Internal Photograph-ADTQ-C DC X55_Part7Internal Photos2025-01-01PDF 5.4 MB
TempConfidential_Internal Photograph-ADTQ-C DC X55_Part8Internal Photos2025-01-01PDF 856.7 KB
R26S1024018-UE_X55 AC_External PhotographExternal Photos2026-03-25PDF 680.8 KB
R26S1024018-UE_X55 DC_External PhotographExternal Photos2026-03-25PDF 661.6 KB
TempConfidential_External Photograph-ADTQ-C AC X55External Photos2025-01-01PDF 596.4 KB
TempConfidential_External Photograph-ADTQ-C DC X55External Photos2025-01-01PDF 593.8 KB
ADTQ X55_Label and label locationID Label/Location Info2024-12-10PDF 118.1 KB
R26S1024018-UT_Test Setup PhotographTest Setup Photos2026-03-25PDF 766.8 KB
FCC-Test Setup Photo-ADTQTest Setup Photos2025-01-01PDF 5.3 MB
TempConfidential_R25S1018044-UT Test Setup PhotographTest Setup PhotosPDF 427.1 KB
R26S1024018-U205_Part 74_X55-V01Test Report2026-03-25PDF 3.4 MB
R25S1018044-U205-FCC Part74 Test Report_X55-V01Test Report2025-06-26PDF 5.2 MB
ADTQ X55_AntennaTest Report2024-12-10PDF 607.8 KB
FCC Part74 Test Report_ADTQ X55_Part1_V02Test Report2024-12-10PDF 5.4 MB
FCC Part74 Test Report_ADTQ X55_Part2_V02Test Report2024-12-10PDF 5.1 MB
FCC Part74 Test Report_ADTQ X55_Part3_V02Test Report2024-12-10PDF 5.5 MB
FCC Part74 Test Report_ADTQ X55_Part4_V02Test Report2024-12-10PDF 5.4 MB
ADTQ X55_ACB-FORM-FCC-Application-Letters-Covered-List-AttestationAttestation Statements2026-03-25PDF 241.2 KB
ADTQ X55_ACB-FORM-FCC-Application-Letters-U.S.-Agent-Letter-for-Service-of-ProceAttestation Statements2026-03-25PDF 130.9 KB
ACB-FORM-FCC-Application-Letters-Covered-List-Attestation_SHUREAttestation Statements2025-06-26PDF 155.5 KB
ACB-FORM-FCC-Application-Letters-U.S.-Agent-Letter-for-Service-of-Process_signedAttestation Statements2025-06-26PDF 87.8 KB
ACB-FORM-FCC-Application-Letters-Covered-List-Attestation_signedAttestation Statements2024-12-10PDF 128 KB
ADTQ X55_FCC C2PC Declaration LetterCover Letter(s)2026-03-25PDF 238.3 KB
ADTQ X55_FCC Confidentiality Request LetterCover Letter(s)2026-03-25PDF 272.1 KB
ADTQ X55_FCC Declaration of AuthorizationCover Letter(s)2026-03-25PDF 257.9 KB
ADTQ X55_Model Declaration letterCover Letter(s)2026-03-25PDF 220.6 KB
ADTQ X55_C2PC Request LetterCover Letter(s)2025-06-26PDF 124 KB
ADTQ X55_FCC Confidentiality Letter Metadata onlyCover Letter(s)2025-06-26PDF 148 KB
ADTQ X55_FCC Confidentiality Letter_r2Cover Letter(s)2025-06-26PDF 148 KB
ADTQ X55_FCC Declaration of AuthorizationCover Letter(s)2025-06-26PDF 147.4 KB
ADTQ X55_Model Declaration letterCover Letter(s)2025-06-26PDF 115.4 KB
ADTQ X55_FCC Confidentiality LetterCover Letter(s)2024-12-10PDF 178 KB
ADTQ X55_FCC Declaration of AuthorizationCover Letter(s)2024-12-10PDF 197.7 KB
ADTQ X55_FCC SDoC ComplianceCover Letter(s)2024-12-10PDF 232.6 KB
ADTQ X55_Model Declaration letterCover Letter(s)2024-12-10PDF 105 KB
R26S1024018-U403_MPE_X55-V01RF Exposure Info2026-03-25PDF 471.5 KB
R25S1018044-U403-FCC RF Exposure Report_X55-V01RF Exposure Info2025-06-26PDF 488.5 KB
R25S1018044-U403-FCC RF Exposure Report_X55-V02RF Exposure Info2025-06-26PDF 490.7 KB
FCC RF Exposure Report_ADTQ X55_v2RF Exposure Info2024-12-10PDF 1.2 MB
Confidential_ADTQ X55_Block Diagram_v2 Metadata onlyBlock DiagramPDF 319.2 KB
Confidential_ADTQ X55_Schematics_RF Board_Part1 Metadata onlySchematicsPDF 5.4 MB
Confidential_ADTQ X55_Schematics_RF Board_Part2 Metadata onlySchematicsPDF 2.5 MB
Confidential_Schematics_Main Board_Part1 Metadata onlySchematicsPDF 2.4 MB
Confidential_Schematics_Main Board_Part2 Metadata onlySchematicsPDF 5.4 MB
Confidential_Schematics_Main Board_Part3 Metadata onlySchematicsPDF 4.9 MB
Confidential_ADTQ X55_Operational Description_20260304 Metadata onlyOperational DescriptionPDF 350.1 KB
Confidential_ADTQ X55_Operational description Metadata onlyOperational DescriptionPDF 315.3 KB
Confidential_ADTQ X55_Operational description Metadata onlyOperational DescriptionPDF 395.1 KB
Confidential_ADTQ X55_Tune-up procedure Metadata onlyParts List/Tune Up InfoPDF 110.8 KB
Confidential_ADTx X55_Tune-up procedure_v2 Metadata onlyParts List/Tune Up InfoPDF 115.9 KB
Confidential_Tune-up procedure_ADTx X55 Metadata onlyParts List/Tune Up InfoPDF 112.3 KB

Application Information

Application IDFs3vNrE91ZgoewsQbJuENw==
Final Action Date2026-03-25
Application PurposeClass II permissive change or modification of presently authorized equipment
Applicant FRN0030683478
ModelADTQX55
Frequency Range956.575-959.725 MHz
Equipment ClassTLD - Licensed LPAS Device
Device DescriptionWireless Quad Transmitter
Responsible PartyJuan Castrejon, castrej@shure.com , 847-600-8651
Technical ContactMarlin Chen, MRT Technology (Suzhou) Co., Ltd, marlinchen@mrt-cert.com , 051266308358
Non-Technical ContactJuan Castrejon, Shure Incorporated, castrej@shure.com , 847-600-8651
Test FirmMr. Marlin Chen, MRT Technology (Suzhou) Co., Ltd., marlinchen@mrt-cert.com , 8651266308358
TCB Emailhotline@acbcert.com
TCB ScopeB2: General Mobile Radio And Broadcast Services equipment in the following 47 CFR Parts 22 (non-cellular) 73, 74, 90, 95, 97, & 101 (all below 3 GHz)
Short-Term ConfidentialityNo
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
Fs3vNrE91ZgoewsQbJuENw==2026-03-25Class II permissive change or modification of presently authorized equipment
ZDJfxgplXmioDTC2PKZvAw==2025-06-26Class II permissive change or modification of presently authorized equipment
MTfNLc0vQgqCKSIo/PgDMg==2024-12-10Original Equipment

Equipment Authorization

FrequencyOutputToleranceEmissionRulesGrant Notes
941.625-951.875 MHz0.57410.3101ppm92K2F7E74H08, M4
941.625-951.875 MHz0.57410.3101ppm08, M4
941.625-951.875 MHz0.07910.3101ppm181KG7E74H08, M4
941.625-951.875 MHz0.07910.3101ppm08, M4
941.9-951.6 MHz0.4920.3101ppm600KD7E74H08, M4
941.9-951.6 MHz0.4920.3101ppm08, M4
952.975-956.125 MHz0.55980.3101ppm91K3F7E74H08, M4
952.975-956.125 MHz0.55980.3101ppm08, M4
952.975-956.125 MHz0.07890.3101ppm182KG7E74H08, M4
952.975-956.125 MHz0.07890.3101ppm08, M4
953.25-955.85 MHz0.4920.3101ppm600KD7E74H08, M4
953.25-955.85 MHz0.4920.3101ppm08, M4
956.575-959.725 MHz0.55850.3101ppm91K6F7E74H08, M4
956.575-959.725 MHz0.55850.3101ppm08, M4
956.575-959.725 MHz0.07670.3101ppm182KG7E74H08, M4
956.575-959.725 MHz0.07670.3101ppm08, M4
956.85-959.45 MHz0.48980.3101ppm600KD7E74H08, M4
956.85-959.45 MHz0.48980.3101ppm08, M4

Grants

TCB Grant - Application ZDJfxgplXmioDTC2PKZvAw==

TCB GRANT OF EQUIPMENT
AUTHORIZATION
TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  ACB, Inc.
313 Park Avenue Suite 300
Falls Church, VA 22046
Date of Grant: 06/26/2025

Application Dated: 06/26/2025
Shure Incorporated
5800 W. Touhy Ave
Niles, IL 60714-4608
 
Attention: Juan Castrejon , Engineer Associate Staff, GC

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  DD4ADTQX55
Name of Grantee:  Shure Incorporated
Equipment Class: Licensed LPAS Device
Notes: Wireless Quad Transmitter
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
08 M4 74H 941.625  -  951.875 0.5741 0.3101  PM 92K2F7E
08 M4 74H 952.975  -  956.125 0.5598 0.3101  PM 91K3F7E
08 M4 74H 956.575  -  959.725 0.5585 0.3101  PM 91K6F7E
08 M4 74H 941.625  -  951.875 0.492 0.3101  PM 600KD7E
08 M4 74H 952.975  -  956.125 0.492 0.3101  PM 600KD7E
08 M4 74H 956.575  -  959.725 0.4898 0.3101  PM 600KD7E
08 M4 74H 941.625  -  951.875 0.2965 0.3101  PM 181KG7E
08 M4 74H 952.975  -  956.125 0.2891 0.3101  PM 182KG7E
08 M4 74H 956.575  -  959.725 0.2825 0.3101  PM 182KG7E

This is a C2PC application as documented in this filing. Output power listed is RF conducted. This device can be used in mobile configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

08: WMAS device certified per R&O FCC 24-22.
M4: Operation of this unit is limited to use at stations licensed for use under Part 74 of FCC Rules.

TCB Grant - Application MTfNLc0vQgqCKSIo/PgDMg==

TCB GRANT OF EQUIPMENT
AUTHORIZATION
TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  ACB, Inc.
313 Park Avenue Suite 300
Falls Church, VA 22046
Date of Grant: 12/10/2024

Application Dated: 11/26/2024
Shure Incorporated
5800 W. Touhy Ave
Niles, IL 60714-4608
 
Attention: Juan Castrejon , Engineer Associate Staff, GC

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  DD4ADTQX55
Name of Grantee:  Shure Incorporated
Equipment Class: Licensed LPAS Device
Notes: Wireless Quad Transmitter
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
08 M4 74H 941.625  -  951.875 0.5741 0.3101  PM 92K2F7E
08 M4 74H 952.975  -  956.125 0.5598 0.3101  PM 91K3F7E
08 M4 74H 956.575  -  959.725 0.5585 0.3101  PM 91K6F7E
08 M4 74H 941.9  -  951.6 0.492 0.3101  PM 600KD7E
08 M4 74H 953.25  -  955.85 0.492 0.3101  PM 600KD7E
08 M4 74H 956.85  -  959.45 0.4898 0.3101  PM 600KD7E
08 M4 74H 941.625  -  951.875 0.0791 0.3101  PM 181KG7E
08 M4 74H 952.975  -  956.125 0.0789 0.3101  PM 182KG7E
08 M4 74H 956.575  -  959.725 0.0767 0.3101  PM 182KG7E

Output power listed is RF conducted. This device can be used in mobile confirurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

08: WMAS device certified per R&O FCC 24-22.
M4: Operation of this unit is limited to use at stations licensed for use under Part 74 of FCC Rules.

EAS Grant - Application MTfNLc0vQgqCKSIo/PgDMg==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

Shure Incorporated
5800 W. Touhy Ave
Niles, IL 60714-4608
United States
  Date of Grant: 12/10/2024

Application Dated: 11/26/2024
 
Attention: Juan Castrejon , Engineer Associate Staff, GC

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  DD4ADTQX55
Name of Grantee:  Shure Incorporated
Equipment Class: Licensed LPAS Device
Notes: Wireless Quad Transmitter
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
08 M4 74H 941.625  -  951.875 0.5741 0.3101  PM 92K2F7E
08 M4 74H 952.975  -  956.125 0.5598 0.3101  PM 91K3F7E
08 M4 74H 956.575  -  959.725 0.5585 0.3101  PM 91K6F7E
08 M4 74H 941.9  -  951.6 0.492 0.3101  PM 600KD7E
08 M4 74H 953.25  -  955.85 0.492 0.3101  PM 600KD7E
08 M4 74H 956.85  -  959.45 0.4898 0.3101  PM 600KD7E
08 M4 74H 941.625  -  951.875 0.0791 0.3101  PM 181KG7E
08 M4 74H 952.975  -  956.125 0.0789 0.3101  PM 182KG7E
08 M4 74H 956.575  -  959.725 0.0767 0.3101  PM 182KG7E

Output power listed is RF conducted. This device can be used in mobile confirurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.


08: WMAS device certified per R&O FCC 24-22.
M4: Operation of this unit is limited to use at stations licensed for use under Part 74 of FCC Rules.

TCB Grant - Application Fs3vNrE91ZgoewsQbJuENw==

Mail To:
TCB GRANT OF EQUIPMENT
AUTHORIZATION
TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  ACB, Inc.
313 Park Avenue Suite 300
Falls Church, VA 22046
Date of Grant: 03/25/2026

Application Dated: 03/18/2026
Shure Incorporated
5800 W. Touhy Ave
Niles, IL 60714-4608
 
Attention: Juan Castrejon , Engineer Associate Staff, GC

NOT TRANSFERABLE
EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below.
 
FCC IDENTIFIER:  DD4ADTQX55
Name of Grantee:  Shure Incorporated
Equipment Class: Licensed LPAS Device
Notes: Wireless Quad Transmitter
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
08 M4 74H 941.625  -  951.875 0.5741 0.3101  PM 92K2F7E
08 M4 74H 952.975  -  956.125 0.5598 0.3101  PM 91K3F7E
08 M4 74H 956.575  -  959.725 0.5585 0.3101  PM 91K6F7E
08 M4 74H 941.625  -  951.875 0.492 0.3101  PM 600KD7E
08 M4 74H 952.975  -  956.125 0.492 0.3101  PM 600KD7E
08 M4 74H 956.575  -  959.725 0.4898 0.3101  PM 600KD7E
08 M4 74H 941.625  -  951.875 0.2965 0.3101  PM 181KG7E
08 M4 74H 952.975  -  956.125 0.2891 0.3101  PM 182KG7E
08 M4 74H 956.575  -  959.725 0.2825 0.3101  PM 182KG7E

This is a C2PC application to add two modes via software. Output power listed is RF conducted. This device can be used in mobile configuration. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

08: WMAS device certified per R&O FCC 24-22.
M4: Operation of this unit is limited to use at stations licensed for use under Part 74 of FCC Rules.