FCC ID B4O-QC384FNX
GT-tronics QCC Bluetooth Module
by GT-tronics HK Ltd
Grantee Code: B4O Product Code: QC384FNX
Latest application date: 2025-11-21
FCC ID Device Details
| FCC ID | B4O-QC384FNX |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | B4O |
| Product Code | QC384FNX |
| Applicant Business | GT-tronics HK Ltd |
| Related Domains |  gt-tronics.com |
| Equipment Class | GT-tronics QCC Bluetooth Module |
| Test Firm | Sporton International Inc. (Shenzhen) |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-11-21 |
| 2402-2480 MHz | Original Equipment | 2025-11-21 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| B4O-QC384FNX_User Manual_r1 | Users Manual | 2026-05-21 | PDF 572.8 KB |
| B4O-QC384FNX_Inpho | Internal Photos | 2026-05-21 | PDF 322.4 KB |
| B4O-QC384FNX_Expho | External Photos | 2026-05-21 | PDF 1.3 MB |
| B4O-QC384FNX_Label | ID Label/Location Info | 2025-11-21 | PDF 16.1 KB |
| B4O-QC384FNX_Label Location | ID Label/Location Info | 2025-11-21 | PDF 60.1 KB |
| B4O-QC384FNX_Tsup_DSS_BT | Test Setup Photos | 2026-05-21 | PDF 505 KB |
| B4O-QC384FNX_Tsup_DTS_BLE | Test Setup Photos | 2026-05-21 | PDF 505.3 KB |
| B4O-QC384FNX_2.4G Metal Wire Antenna Spec | Test Report | 2025-11-21 | PDF 3.7 MB |
| B4O-QC384FNX_Dipole Antenna spec | Test Report | 2025-11-21 | PDF 1.3 MB |
| B4O-QC384FNX_TestRpt_DSS_BT | Test Report | 2025-11-21 | PDF 5.8 MB |
| B4O-QC384FNX_TestRpt_DTS_BLE_r1 | Test Report | 2025-11-21 | PDF 5.8 MB |
| B4O-QC384FNX_chip antenna spec | Test Report | 2025-11-21 | PDF 554.2 KB |
| B4O-QC384FNX_Attestation_Covered List_2.911d5(i) and(ii) | Attestation Statements | 2025-11-21 | PDF 23.4 KB |
| B4O-QC38XFNX_cvrltr_cvrltr_Certification_2.911d7 | Attestation Statements | 2025-11-21 | PDF 279 KB |
| B4O-QC384FNX_cvrltr_FCC Long-term Confidentiality | Cover Letter(s) | 2025-11-21 | PDF 24.3 KB |
| B4O-QC384FNX_cvrltr_FCC POA | Cover Letter(s) | 2025-11-21 | PDF 23.8 KB |
| B4O-QC384FNX_cvrltr_FCC Short-term Confidentiality | Cover Letter(s) | 2025-11-21 | PDF 28.7 KB |
| Request for Modular Approval per section 15.212 requirements | Cover Letter(s) | 2025-11-21 | PDF 35.7 KB |
| B4O-QC384FNX_TestRpt_RFExp | RF Exposure Info | 2025-11-21 | PDF 631 KB |
| B4O-QC384FNX_BlckDic Metadata only | Block Diagram | PDF 68.7 KB | |
| B4O-QC384FNX_SchemDic Metadata only | Schematics | PDF 25 KB | |
| B4O-QC384FNX_OpDes Metadata only | Operational Description | PDF 437.1 KB | |
| B4O-QC384FNX_PartsLst Metadata only | Parts List/Tune Up Info | PDF 82.7 KB | |
| B4O-QC384FNX_TunPro Metadata only | Parts List/Tune Up Info | PDF 58.2 KB |
Application Information
| Application ID | j1lJgDhH/EmMNEEWnU1s9Q== |
|---|---|
| Final Action Date | 2025-11-21 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0021630322 |
| Model | QC384FNX |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | GT-tronics QCC Bluetooth Module |
| Responsible Party | Dennis Wong, dwong@gt-tronics.com , +852-8100-1820 |
| Test Firm | Johnny Chen, Sporton International Inc. (Shenzhen), JohnnyChen@sporton-lab.com  , 86-0755-86379589 |
| TCB Email | QA65@sporton-usa.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | 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 |
|---|---|---|
| j1lJgDhH/EmMNEEWnU1s9Q== | 2025-11-21 | Original Equipment |
| NQLfl2UDS+jKCoZtZfUCcw== | 2025-11-21 | Original Equipment |
Grants
TCB Grant - Application NQLfl2UDS+jKCoZtZfUCcw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Sporton International (USA) Inc. 1175 Montague Expressway Milpitas, CA 95035 |
Date of Grant: 11/21/2025 Application Dated: 11/18/2025 |
| GT-tronics HK Ltd |
| Unit 10, 2/F., Block B, Tonic Industrial |
| Center 19 Lam Hing Street, Kowloon Bay, |
| Kowloon, Hong Kong |
| Attention: Dennis Wong , Admin Asst |
| 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: | B4O-QC384FNX |
| Name of Grantee: | GT-tronics HK Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | GT-tronics QCC Bluetooth Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0156 |
| Single Modular Approval. The module antenna(s) must be installed to meet the RF exposure compliance separation distance of 20 cm and any additional testing and authorization process as required. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedures. Approved for OEM integration only. This module can be used with a host antenna circuit trace layout design which is in strict compliance with the OEM instructions provided, as documented in this filing. This grant is valid only when the device is sold to OEM integrators and the OEM integrators are instructed to ensure that the end user has no manual instructions to remove or install the device. |
TCB Grant - Application j1lJgDhH/EmMNEEWnU1s9Q==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Sporton International (USA) Inc. 1175 Montague Expressway Milpitas, CA 95035 |
Date of Grant: 11/21/2025 Application Dated: 11/18/2025 |
| GT-tronics HK Ltd |
| Unit 10, 2/F., Block B, Tonic Industrial |
| Center 19 Lam Hing Street, Kowloon Bay, |
| Kowloon, Hong Kong |
| Attention: Dennis Wong , Admin Asst |
| 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: | B4O-QC384FNX |
| Name of Grantee: | GT-tronics HK Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | GT-tronics QCC Bluetooth Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0157 |
| Single Modular Approval. The module antenna(s) must be installed to meet the RF exposure compliance separation distance of 20 cm and any additional testing and authorization process as required. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedures. Approved for OEM integration only. This module can be used with a host antenna circuit trace layout design which is in strict compliance with the OEM instructions provided, as documented in this filing. This grant is valid only when the device is sold to OEM integrators and the OEM integrators are instructed to ensure that the end user has no manual instructions to remove or install the device. |