FCC ID DD4ADTDX55
Wireless Dual Transmitter
by Shure Incorporated
Grantee Code: DD4 Product Code: ADTDX55
Latest application date: 2026-03-24
FCC ID Device Details
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 956.575-959.725 MHz | Class II permissive change or modification of presently authorized equipment | 2026-03-24 |
| 941.625-951.875 MHz | Class II permissive change or modification of presently authorized equipment | 2025-06-26 |
| 941.625-951.875 MHz | Original Equipment | 2024-12-10 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| ADTD X55_User Manual | Users Manual | 2026-03-24 | PDF 4.9 MB |
| ADTQ-ADTD_User Manual_Update1209 | Users Manual | 2025-01-01 | PDF 5.5 MB |
| TempConfidential_ADTD X55_AD8C Combiner_UG | Users Manual | 2025-01-01 | PDF 2.4 MB |
| TempConfidential_ADTQ-ADTD-User-Manual_for FCC IC | Users Manual | PDF 4.8 MB | |
| ADTD X55_R26S1023017-UE_Internal photo_AC | Internal Photos | 2026-03-24 | PDF 4.4 MB |
| ADTD X55_R26S1023017-UE_Internal photo_DC | Internal Photos | 2026-03-24 | PDF 4.1 MB |
| TempConfidential_Internal Photograph-ADTD-C AC X55_Part1 | Internal Photos | 2025-01-01 | PDF 5.3 MB |
| TempConfidential_Internal Photograph-ADTD-C AC X55_Part2 | Internal Photos | 2025-01-01 | PDF 4.8 MB |
| TempConfidential_Internal Photograph-ADTD-C AC X55_Part3 | Internal Photos | 2025-01-01 | PDF 4.8 MB |
| TempConfidential_Internal Photograph-ADTD-C AC X55_Part4 | Internal Photos | 2025-01-01 | PDF 5.5 MB |
| TempConfidential_Internal Photograph-ADTD-C AC X55_Part5 | Internal Photos | 2025-01-01 | PDF 5.2 MB |
| TempConfidential_Internal Photograph-ADTD-C AC X55_Part6 | Internal Photos | 2025-01-01 | PDF 2.4 MB |
| TempConfidential_Internal Photograph-ADTD-C DC X55_Part1 | Internal Photos | 2025-01-01 | PDF 4.1 MB |
| TempConfidential_Internal Photograph-ADTD-C DC X55_Part2 | Internal Photos | 2025-01-01 | PDF 4.3 MB |
| TempConfidential_Internal Photograph-ADTD-C DC X55_Part3 | Internal Photos | 2025-01-01 | PDF 4.3 MB |
| TempConfidential_Internal Photograph-ADTD-C DC X55_Part4 | Internal Photos | 2025-01-01 | PDF 5.3 MB |
| TempConfidential_Internal Photograph-ADTD-C DC X55_Part5 | Internal Photos | 2025-01-01 | PDF 4.9 MB |
| TempConfidential_Internal Photograph-ADTD-C DC X55_Part6 | Internal Photos | 2025-01-01 | PDF 5.2 MB |
| TempConfidential_Internal Photograph-ADTD-C DC X55_Part7 | Internal Photos | 2025-01-01 | PDF 5 MB |
| ADTD X55_R26S1023017-UE_External photo_AC | External Photos | 2026-03-24 | PDF 641.3 KB |
| ADTD X55_R26S1023017-UE_External photo_DC | External Photos | 2026-03-24 | PDF 672.4 KB |
| TempConfidential_External Photograph-ADTD-C AC X55 | External Photos | 2025-01-01 | PDF 588 KB |
| TempConfidential_External Photograph-ADTD-C DC X55 | External Photos | 2025-01-01 | PDF 607.3 KB |
| ADTD X55_Label and label location | ID Label/Location Info | 2024-12-10 | PDF 117.5 KB |
| ADTD X55_R26S1023017_UT | Test Setup Photos | 2026-03-24 | PDF 763.3 KB |
| ADTD X55_R26S1024018-UT | Test Setup Photos | 2026-03-24 | PDF 763.3 KB |
| TempConfidential_FCC-Test Setup Photo-ADTD | Test Setup Photos | 2025-01-01 | PDF 5.2 MB |
| TempConfidential_FCC-Test Setup Photo-ADTQ | Test Setup Photos | 2025-01-01 | PDF 5.3 MB |
| TempConfidential_R25S1019045-UT Test Setup Photograph | Test Setup Photos | PDF 418.4 KB | |
| ADTD X55_R26S1023017-U205_Part 74_X55 V01 | Test Report | 2026-03-24 | PDF 2.4 MB |
| R25S1019045-U205-FCC Part74 Test Report_X55-V01 | Test Report | 2025-06-26 | PDF 4 MB |
| ADTD X55_Antenna | Test Report | 2024-12-10 | PDF 607.8 KB |
| FCC Part74 Test Report_ADTD X55_V02 | Test Report | 2024-12-10 | PDF 2.2 MB |
| ADTD X55_ACB-FORM-FCC-Application-Letters-Covered-List-Attestation | Attestation Statements | 2026-03-24 | PDF 155.9 KB |
| ADTD X55_ACB-FORM-FCC-Application-Letters-U.S.-Agent-Letter-for-Service-of-Proce | Attestation Statements | 2026-03-24 | PDF 84.6 KB |
| ACB-FORM-FCC-Application-Letters-Covered-List-Attestation_SHURE | Attestation Statements | 2025-06-26 | PDF 155.5 KB |
| ACB-FORM-FCC-Application-Letters-U.S.-Agent-Letter-for-Service-of-Process_signed | Attestation Statements | 2025-06-26 | PDF 87.8 KB |
| ACB-FORM-FCC-Application-Letters-Covered-List-Attestation_signed | Attestation Statements | 2024-12-10 | PDF 128 KB |
| ADTD X55_FCC C2PC Declaration Letter | Cover Letter(s) | 2026-03-24 | PDF 74.6 KB |
| ADTD X55_FCC Confidentiality Request Letter | Cover Letter(s) | 2026-03-24 | PDF 81.3 KB |
| ADTD X55_FCC Declaration of Authorization | Cover Letter(s) | 2026-03-24 | PDF 102.1 KB |
| ADTD X55_Model Declaration letter | Cover Letter(s) | 2026-03-24 | PDF 74.1 KB |
| ADTD X55_C2PC Request Letter | Cover Letter(s) | 2025-06-26 | PDF 123.5 KB |
| ADTD X55_FCC Confidentiality Letter Metadata only | Cover Letter(s) | 2025-06-26 | PDF 147.7 KB |
| ADTD X55_FCC Confidentiality Letter_r2 | Cover Letter(s) | 2025-06-26 | PDF 147.7 KB |
| ADTD X55_FCC Declaration of Authorization | Cover Letter(s) | 2025-06-26 | PDF 166.7 KB |
| ADTD X55_Model Declaration letter | Cover Letter(s) | 2025-06-26 | PDF 116.1 KB |
| ADTD X55_FCC Confidentiality Letter | Cover Letter(s) | 2024-12-10 | PDF 179.2 KB |
| ADTD X55_FCC Declaration of Authorization | Cover Letter(s) | 2024-12-10 | PDF 217.6 KB |
| ADTD X55_FCC SDoC Compliance | Cover Letter(s) | 2024-12-10 | PDF 232.4 KB |
| ADTD X55_Model Declaration letter | Cover Letter(s) | 2024-12-10 | PDF 104.5 KB |
| ADTD X55_R26S1023017-U403_MPE_X55 V01 | RF Exposure Info | 2026-03-24 | PDF 459.8 KB |
| R25S1019045-U403-FCC RF Exposure Report_X55-V01 | RF Exposure Info | 2025-06-26 | PDF 482 KB |
| R25S1019045-U403-FCC RF Exposure Report_X55-V02 | RF Exposure Info | 2025-06-26 | PDF 492.8 KB |
| FCC RF Exposure Report ADTD X55_v2 | RF Exposure Info | 2024-12-10 | PDF 457.2 KB |
| FCC RF Exposure Report_ADTQ X55_v2 | RF Exposure Info | 2024-12-10 | PDF 1.2 MB |
| Confidential_ADTD X55_Block Diagram_v2 Metadata only | Block Diagram | PDF 319.2 KB | |
| Confidential_ADTD X55_Schematics_RF Board_Part1 Metadata only | Schematics | PDF 5.4 MB | |
| Confidential_Schematics_Main Board_Part1 Metadata only | Schematics | PDF 2.4 MB | |
| Confidential_Schematics_Main Board_Part2 Metadata only | Schematics | PDF 5.4 MB | |
| Confidential_Schematics_Main Board_Part3 Metadata only | Schematics | PDF 4.9 MB | |
| Confidential_ADTD X55_Operational Description_20260304 Metadata only | Operational Description | PDF 350.1 KB | |
| Confidential_ADTD X55_Operational description Metadata only | Operational Description | PDF 395.1 KB | |
| Confidential_ADTD X55_Operational description Metadata only | Operational Description | PDF 315.3 KB | |
| Wireless Microphone Project_FCC Inquire Metadata only | Operational Description | PDF 333.5 KB | |
| Confidential_ADTD X55_Tune-up procedure Metadata only | Parts List/Tune Up Info | PDF 110.8 KB | |
| Confidential_ADTx X55_Tune-up procedure_v2 Metadata only | Parts List/Tune Up Info | PDF 115.9 KB | |
| Confidential_Tune-up procedure_ADTx X55 Metadata only | Parts List/Tune Up Info | PDF 112.3 KB |
Application Information
| Application ID | xZkMrrg9XLTuv3kDVjtCaw== |
|---|---|
| Final Action Date | 2026-03-24 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0030683478 |
| Model | ADTDX55 |
| Frequency Range | 956.575-959.725 MHz |
| Equipment Class | TLD - Licensed LPAS Device |
| Device Description | Wireless Dual Transmitter |
| Responsible Party | Juan Castrejon, castrej@shure.com  , 847-600-8651 |
| Technical Contact | Marlin Chen, MRT Technology (Suzhou) Co., Ltd, marlinchen@mrt-cert.com  , 86-512-66308358 |
| Non-Technical Contact | Juan Castrejon, Shure Incorporated, castrej@shure.com , 847-600-8651 |
| Test Firm | Mr. Marlin Chen, MRT Technology (Suzhou) Co., Ltd., marlinchen@mrt-cert.com , 8651266308358 |
| TCB Email | hotline@acbcert.com  |
| TCB Scope | B2: 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 Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| xZkMrrg9XLTuv3kDVjtCaw== | 2026-03-24 | Class II permissive change or modification of presently authorized equipment |
| XUcnJwfIoimnp6atOc/M2Q== | 2025-06-26 | Class II permissive change or modification of presently authorized equipment |
| oal32FzEwkHKkHsF03jKuQ== | 2024-12-10 | Original Equipment |
Equipment Authorization
| Frequency | Output | Tolerance | Emission | Rules | Grant Notes |
|---|---|---|---|---|---|
| 941.625-951.875 MHz | 0.2065 | 0.3717ppm | 96K7F7E | 74H | 08, M4 |
| 941.625-951.875 MHz | 0.2065 | 0.3717ppm | 08, M4 | ||
| 941.625-951.875 MHz | 0.2023 | 0.3717ppm | 597KD7E | 74H | 08, M4 |
| 941.625-951.875 MHz | 0.2023 | 0.3717ppm | 08, M4 | ||
| 941.625-951.875 MHz | 0.1742 | 0.3717ppm | 180KG7E | 74H | 08, M4 |
| 941.625-951.875 MHz | 0.1742 | 0.3717ppm | 08, M4 | ||
| 952.975-956.125 MHz | 0.1879 | 0.3717ppm | 96K7F7E | 74H | 08, M4 |
| 952.975-956.125 MHz | 0.1879 | 0.3717ppm | 08, M4 | ||
| 952.975-956.125 MHz | 0.1892 | 0.3717ppm | 597KD7E | 74H | 08, M4 |
| 952.975-956.125 MHz | 0.1892 | 0.3717ppm | 08, M4 | ||
| 952.975-956.125 MHz | 0.1578 | 0.3717ppm | 180KG7E | 74H | 08, M4 |
| 952.975-956.125 MHz | 0.1578 | 0.3717ppm | 08, M4 | ||
| 956.575-959.725 MHz | 0.1811 | 0.3717ppm | 96K7F7E | 74H | 08, M4 |
| 956.575-959.725 MHz | 0.1811 | 0.3717ppm | 08, M4 | ||
| 956.575-959.725 MHz | 0.1928 | 0.3717ppm | 597KD7E | 74H | 08, M4 |
| 956.575-959.725 MHz | 0.1928 | 0.3717ppm | 08, M4 | ||
| 956.575-959.725 MHz | 0.1552 | 0.3717ppm | 180KG7E | 74H | 08, M4 |
| 956.575-959.725 MHz | 0.1552 | 0.3717ppm | 08, M4 |
Grants
TCB Grant - Application xZkMrrg9XLTuv3kDVjtCaw==
| 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: 03/24/2026 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: | DD4ADTDX55 |
| Name of Grantee: | Shure Incorporated |
| Equipment Class: | Licensed LPAS Device |
| Notes: | Wireless Dual Transmitter |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 08 M4 | 74H | 941.625 - 951.875 | 0.2065 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.1879 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.1811 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 941.625 - 951.875 | 0.2023 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.1892 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.1928 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 941.625 - 951.875 | 0.2148 | 0.3717 PM | 180KG7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.2259 | 0.3717 PM | 180KG7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.2259 | 0.3717 PM | 180KG7E |
| 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 XUcnJwfIoimnp6atOc/M2Q==
| 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: | DD4ADTDX55 |
| Name of Grantee: | Shure Incorporated |
| Equipment Class: | Licensed LPAS Device |
| Notes: | Wireless Dual Transmitter |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 08 M4 | 74H | 941.625 - 951.875 | 0.2065 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.1879 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.1811 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 941.625 - 951.875 | 0.2023 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.1892 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.1928 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 941.625 - 951.875 | 0.2148 | 0.3717 PM | 180KG7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.2259 | 0.3717 PM | 180KG7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.2259 | 0.3717 PM | 180KG7E |
| 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 oal32FzEwkHKkHsF03jKuQ==
| 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: | DD4ADTDX55 |
| Name of Grantee: | Shure Incorporated |
| Equipment Class: | Licensed LPAS Device |
| Notes: | Wireless Dual Transmitter |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 08 M4 | 74H | 941.625 - 951.875 | 0.2065 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.1879 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.1811 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 941.625 - 951.875 | 0.2023 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.1892 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.1928 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 941.625 - 951.875 | 0.1742 | 0.3717 PM | 180KG7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.1578 | 0.3717 PM | 180KG7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.1552 | 0.3717 PM | 180KG7E |
| 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 oal32FzEwkHKkHsF03jKuQ==
| 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: | DD4ADTDX55 |
| Name of Grantee: | Shure Incorporated |
| Equipment Class: | Licensed LPAS Device |
| Notes: | Wireless Dual 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 | 0.2065 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.1879 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.1811 | 0.3717 PM | 96K7F7E |
| 08 M4 | 74H | 941.625 - 951.875 | 0.2023 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.1892 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.1928 | 0.3717 PM | 597KD7E |
| 08 M4 | 74H | 941.625 - 951.875 | 0.1742 | 0.3717 PM | 180KG7E |
| 08 M4 | 74H | 952.975 - 956.125 | 0.1578 | 0.3717 PM | 180KG7E |
| 08 M4 | 74H | 956.575 - 959.725 | 0.1552 | 0.3717 PM | 180KG7E |
| 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. |
| Mail To: |