FCC ID L52CT-BT747
Bluetooth Module
by CeoTronics AG
Grantee Code: L52 Product Code: CTBT747
Latest application date: 2026-03-13
FCC ID Device Details
| FCC ID | L52CT-BT747 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | L52 |
| Product Code | CTBT747 |
| Applicant Business | CeoTronics AG 🇩🇪 |
| Related Domains |  ceotronics.com |
| Equipment Class | Bluetooth Module |
| Test Firm | NMi TESTLAB GmbH |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Class II permissive change or modification of presently authorized equipment | 2026-03-13 |
| 2402-2480 MHz | Class II permissive change or modification of presently authorized equipment | 2026-03-13 |
| 2402-2480 MHz | Change in identification of presently authorized equipment. Original FCC ID: 2A3WYID7 Grant Date: 08/11/2023 | 2026-01-14 |
| 2402-2480 MHz | Change in identification of presently authorized equipment. Original FCC ID: 2A3WYID7 Grant Date: 08/11/2023 | 2026-01-14 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-03-13 | PDF 2.2 MB |
| UM Separated chip_original | Users Manual | 2026-01-14 | PDF 2.2 MB |
| UM onboard chip _original | Users Manual | 2026-01-14 | PDF 873.2 KB |
| User Manual letter | Users Manual | 2026-01-14 | PDF 85.6 KB |
| int photos | Internal Photos | 2026-03-13 | PDF 3.5 MB |
| Ext photos | External Photos | 2026-03-13 | PDF 1.3 MB |
| ext photos | External Photos | 2026-01-14 | PDF 110.4 KB |
| label location | ID Label/Location Info | 2026-03-13 | PDF 216.4 KB |
| label location | ID Label/Location Info | 2026-01-14 | PDF 33.6 KB |
| Test Setup photos | Test Setup Photos | 2026-03-13 | PDF 966.2 KB |
| Test Setup photos sim | Test Setup Photos | 2026-03-13 | PDF 512.5 KB |
| Test Report | Test Report | 2026-03-13 | PDF 878 KB |
| Test Report E | Test Report | 2026-03-13 | PDF 1.3 MB |
| Test Report E1 | Test Report | 2026-03-13 | PDF 1.3 MB |
| Attestation Letter Covered Equip | Attestation Statements | 2026-03-13 | PDF 53.6 KB |
| Attestation Letter US agent | Attestation Statements | 2026-03-13 | PDF 64.1 KB |
| C2letter | Cover Letter(s) | 2026-03-13 | PDF 71.8 KB |
| PoA | Cover Letter(s) | 2026-03-13 | PDF 52.3 KB |
| PoA for Change in ID | Cover Letter(s) | 2026-01-14 | PDF 137.5 KB |
| PoA from Grantee | Cover Letter(s) | 2026-01-14 | PDF 52.3 KB |
| Request for Change in ID | Cover Letter(s) | 2026-01-14 | PDF 76.4 KB |
| RF exposure | RF Exposure Info | 2026-03-13 | PDF 416.1 KB |
| Tune UP | Parts List/Tune Up Info | 2026-03-13 | PDF 49.4 KB |
Application Information
| Application ID | pdAy+la5z6lMcjnKIzHYnQ== |
|---|---|
| Final Action Date | 2026-03-13 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0005898895 |
| Model | CT-BT747 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Bluetooth Module |
| Responsible Party | Thomas Guenther, thomas.guenther@ceotronics.com , 49-6074-8751-721 |
| Non-Technical Contact | Jack Darden, CEOTRONICS INC., jack.darden@ceotronics.com , 1 757 536 5225 |
| Test Firm | Holger Bentje, NMi TESTLAB GmbH, holger.bentje@nmi-testlab.de  , 49-5235-9500-24 |
| TCB Email | Brandhorst.dirk@phoenix-testlab.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | No |
| Modular Equipment | Limited Single Modular Approval |
| Composite Device | Yes |
| 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 |
|---|---|---|
| pdAy+la5z6lMcjnKIzHYnQ== | 2026-03-13 | Class II permissive change or modification of presently authorized equipment |
| cobZbMsTpfeRxGa8BEkr3A== | 2026-03-13 | Class II permissive change or modification of presently authorized equipment |
| tuNuKp7anDviZFRZ/1XIlQ== | 2026-01-14 | Change in identification of presently authorized equipment. Original FCC ID: 2A3WYID7 Grant Date: 08/11/2023 |
| P2TA/LTFlmYxoHrn7iH3Bw== | 2026-01-14 | Change in identification of presently authorized equipment. Original FCC ID: 2A3WYID7 Grant Date: 08/11/2023 |
Equipment Authorization
Grants
TCB Grant - Application tuNuKp7anDviZFRZ/1XIlQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
PHOENIX TESTLAB GmbH Koenigswinkel 10 32825 Blomberg, Germany |
Date of Grant: 01/14/2026 Application Dated: 01/14/2026 |
| CeoTronics AG |
| Adam-Opel-Strasse 6 |
| Roedermark, 63322 Germany |
| Attention: Thomas Guenther , CEO |
| 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: | L52CT-BT747 |
| Name of Grantee: | CeoTronics AG |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | IDC7 Bluetooth Module |
| Modular Type: | Limited Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0048 |
| Limited Single Modular Approval - this modular approved transmitter will only be integrated by the Grantee himself into host devices marketed by the Grantee and never be marketed separately to any third party. Output power listed is conducted power. There are two variants covered by this GRANT: a variant with onboard chip antenna and a variant with chip antenna placed on a separate PCB connected by cable with UFL connector. Only those antennas tested with the device or similar antennas with equal or lesser gain may be used with this transmitter. The device must be installed to provide a minimum separation distance of at least 20 cm between the radiating element to all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. OEM integrators and end-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. OEM integrators must be provided with antenna installation instructions and instructed to ensure that the end-used has no manual instructions to remove or install the device. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application pdAy+la5z6lMcjnKIzHYnQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
PHOENIX TESTLAB GmbH Koenigswinkel 10 32825 Blomberg, Germany |
Date of Grant: 03/13/2026 Application Dated: 03/13/2026 |
| CeoTronics AG |
| Adam-Opel-Strasse 6 |
| Roedermark, 63322 Germany |
| Attention: Thomas Guenther , CEO |
| 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: | L52CT-BT747 |
| Name of Grantee: | CeoTronics AG |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Bluetooth Module |
| Modular Type: | Limited Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0048 |
| Class II Permissive Change covers the integration of this modular approved transmitter with onboard chip antenna together with the DECT Module (FCC ID: L52CT-M7DEO1) inside the dedicated portable (body-worn) host device: mobile communication device with model name "CT-DECT MULTI M7 G2". Limited Single Modular Approval - this modular approved transmitter will only be integrated by the Grantee himself into host devices marketed by the Grantee and never be marketed separately to any third party. Output power listed is conducted power. There are two variants covered by this GRANT: a variant with onboard chip antenna and a variant with chip antenna placed on a separate PCB connected by cable with UFL connector. Only those antennas tested with the device or similar antennas with equal or lesser gain may be used with this transmitter. The device must be installed to provide a minimum separation distance of at least 20 cm between the radiating element to all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. OEM integrators and end-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. OEM integrators must be provided with antenna installation instructions and instructed to ensure that the end-used has no manual instructions to remove or install the device. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application P2TA/LTFlmYxoHrn7iH3Bw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
PHOENIX TESTLAB GmbH Koenigswinkel 10 32825 Blomberg, Germany |
Date of Grant: 01/14/2026 Application Dated: 01/14/2026 |
| CeoTronics AG |
| Adam-Opel-Strasse 6 |
| Roedermark, 63322 Germany |
| Attention: Thomas Guenther , CEO |
| 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: | L52CT-BT747 |
| Name of Grantee: | CeoTronics AG |
| Equipment Class: | Digital Transmission System |
| Notes: | IDC7 Bluetooth Module |
| Modular Type: | Limited Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0019 |
| This modular approved transmitter will only be integrated by the Grantee himself into host devices marketed by the Grantee and never be marketed separately to any third party. Output power listed is conducted power. There are two variants covered by this GRANT: a variant with onboard chip antenna and a variant with chip antenna placed on a separate PCB connected by cable with UFL connector. Only those antennas tested with the device or similar antennas with equal or lesser gain may be used with this transmitter. The device must be installed to provide a minimum separation distance of at least 20 cm between the radiating element to all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. OEM integrators and end-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. OEM integrators must be provided with antenna installation instructions and instructed to ensure that the end-used has no manual instructions to remove or install the device. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application cobZbMsTpfeRxGa8BEkr3A==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
PHOENIX TESTLAB GmbH Koenigswinkel 10 32825 Blomberg, Germany |
Date of Grant: 03/13/2026 Application Dated: 03/13/2026 |
| CeoTronics AG |
| Adam-Opel-Strasse 6 |
| Roedermark, 63322 Germany |
| Attention: Thomas Guenther , CEO |
| 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: | L52CT-BT747 |
| Name of Grantee: | CeoTronics AG |
| Equipment Class: | Digital Transmission System |
| Notes: | Bluetooth Module |
| Modular Type: | Limited Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0019 |
| Class II Permissive Change covers the integration of this modular approved transmitter with onboard chip antenna together with the DECT Module (FCC ID: L52CT-M7DEO1) inside the dedicated portable (body-worn) host device: mobile communication device with model name "CT-DECT MULTI M7 G2". Limited Single Modular Approval - this modular approved transmitter will only be integrated by the Grantee himself into host devices marketed by the Grantee and never be marketed separately to any third party. Output power listed is conducted power. There are two variants covered by this GRANT: a variant with onboard chip antenna and a variant with chip antenna placed on a separate PCB connected by cable with UFL connector. Only those antennas tested with the device or similar antennas with equal or lesser gain may be used with this transmitter. The device must be installed to provide a minimum separation distance of at least 20 cm between the radiating element to all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. OEM integrators and end-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. OEM integrators must be provided with antenna installation instructions and instructed to ensure that the end-used has no manual instructions to remove or install the device. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |