FCC ID 2A3F2-RTL54
5.4 Bluetooth Adapter
by Shenzhen lianhongxin Industrial Co., Ltd
Grantee Code: 2A3F2 Product Code: RTL54
Latest application date: 2025-01-16
FCC ID Device Details
| FCC ID | 2A3F2-RTL54 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A3F2 |
| Product Code | RTL54 |
| Applicant Business | Shenzhen lianhongxin Industrial Co., Ltd 🇨🇳 |
| Equipment Class | 5.4 Bluetooth Adapter |
| Test Firm | Shenzhen Huaxia Testing Technology Co., Ltd |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-01-16 |
| 2402-2480 MHz | Original Equipment | 2025-01-16 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-01-16 | PDF 80.9 KB |
| Internal photos | Internal Photos | 2025-01-16 | PDF 2.9 MB |
| External photos | External Photos | 2025-01-16 | PDF 4.6 MB |
| Label and label location | ID Label/Location Info | 2025-01-16 | PDF 38.1 KB |
| Test setup photos | Test Setup Photos | 2025-01-16 | PDF 1.7 MB |
| Antenna information | Test Report | 2025-01-16 | PDF 447.7 KB |
| Test Report BT LE part 1 | Test Report | 2025-01-16 | PDF 3.7 MB |
| Test Report BT LE part 2 | Test Report | 2025-01-16 | PDF 2.9 MB |
| Test Report BT part 1 | Test Report | 2025-01-16 | PDF 3.2 MB |
| Test Report BT part 2 | Test Report | 2025-01-16 | PDF 5.4 MB |
| Agent attestation letter | Attestation Statements | 2025-01-16 | PDF 1.1 MB |
| Covered equipment letter | Attestation Statements | 2025-01-16 | PDF 179.4 KB |
| Confidentiality request letter | Cover Letter(s) | 2025-01-16 | PDF 165.8 KB |
| RF exposure evaluation | RF Exposure Info | 2025-01-16 | PDF 365 KB |
| Block diagram Metadata only | Block Diagram | PDF 19 KB | |
| Schematic Metadata only | Schematics | PDF 153.3 KB | |
| Operation description Metadata only | Operational Description | PDF 156.7 KB |
Application Information
| Application ID | sipjSGzJ9X8GwJLK3FqvTw== |
|---|---|
| Final Action Date | 2025-01-16 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0031536071 |
| Model | RTL54 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | 5.4 Bluetooth Adapter |
| Responsible Party | Taihui Lai, 2851339970@qq.com  , 86075523696560 |
| Test Firm | Jack Ai, Shenzhen Huaxia Testing Technology Co., Ltd, szcqa@cqa-cert.com  , +8613902988375 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable 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. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| sipjSGzJ9X8GwJLK3FqvTw== | 2025-01-16 | Original Equipment |
| KRHtoGkmeIoxDCq8utFFyA== | 2025-01-16 | Original Equipment |
Grants
TCB Grant - Application sipjSGzJ9X8GwJLK3FqvTw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 01/16/2025 Application Dated: 01/16/2025 |
| Shenzhen lianhongxin Industrial Co., Ltd |
| Floor 5, building C, B8 Industrial Park |
| Baihua community, Guangming Street |
| Shenzhen, China |
| Attention: Taihui Lai |
| 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: | 2A3F2-RTL54 |
| Name of Grantee: | Shenzhen lianhongxin Industrial Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | 5.4 Bluetooth Adapter |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00026 |
| Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable 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. |
EAS Grant - Application sipjSGzJ9X8GwJLK3FqvTw==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Shenzhen lianhongxin Industrial Co., Ltd Floor 5, building C, B8 Industrial Park Baihua community, Guangming Street Shenzhen, China |
Date of Grant: 01/16/2025 Application Dated: 01/16/2025 |
| Attention: Taihui Lai |
| 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: | 2A3F2-RTL54 |
| Name of Grantee: | Shenzhen lianhongxin Industrial Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | 5.4 Bluetooth Adapter |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00026 |
| Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable 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. |
| Mail To: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 01/16/2025 Application Dated: 01/16/2025 |
| Shenzhen lianhongxin Industrial Co., Ltd |
| Floor 5, building C, B8 Industrial Park |
| Baihua community, Guangming Street |
| Shenzhen, China |
| Attention: Taihui Lai |
| 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: | 2A3F2-RTL54 |
| Name of Grantee: | Shenzhen lianhongxin Industrial Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | 5.4 Bluetooth Adapter |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00028 |
| Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable 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. |
EAS Grant - Application KRHtoGkmeIoxDCq8utFFyA==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Shenzhen lianhongxin Industrial Co., Ltd Floor 5, building C, B8 Industrial Park Baihua community, Guangming Street Shenzhen, China |
Date of Grant: 01/16/2025 Application Dated: 01/16/2025 |
| Attention: Taihui Lai |
| 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: | 2A3F2-RTL54 |
| Name of Grantee: | Shenzhen lianhongxin Industrial Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | 5.4 Bluetooth Adapter |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00028 |
| Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable 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. |
| Mail To: |