FCC ID 2BASB-PKM8721DAF
2.4GHz/5GHzWireless LAN/Bluetooth module
by Realsil Microelectronics (suzhou) co. Ltd.
Grantee Code: 2BASB Product Code: PKM8721DAF
Latest application date: 2026-03-23
FCC ID Device Details
| FCC ID | 2BASB-PKM8721DAF |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BASB |
| Product Code | PKM8721DAF |
| Applicant Business | Realsil Microelectronics (suzhou) co. Ltd. 🇨🇳 |
| Related Domains |  realsil.com.cn  fccusagent.com |
| Equipment Class | 2.4GHz/5GHzWireless LAN/Bluetooth module |
| Test Firm | Eurofins TA Technology (Shanghai) Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2472 MHz | Class II permissive change or modification of presently authorized equipment | 2026-03-23 |
| 2412-2462 MHz | Original Equipment | 2025-11-20 |
| 5745-5825 MHz | Original Equipment | 2025-11-20 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2025-11-20 | PDF 965.9 KB |
| Internal Photos | Internal Photos | 2025-11-20 | PDF 851.5 KB |
| External photos | External Photos | 2026-03-23 | PDF 758.9 KB |
| External Photos | External Photos | 2025-11-20 | PDF 758.9 KB |
| ID Label/Location Info | ID Label/Location Info | 2025-11-20 | PDF 79.9 KB |
| test setup photos | Test Setup Photos | 2026-03-23 | PDF 2.7 MB |
| Test Setup Photos | Test Setup Photos | 2025-11-20 | PDF 2.7 MB |
| Test Setup Photos1 | Test Setup Photos | 2025-11-20 | PDF 226.7 KB |
| Test Setup Photos2 | Test Setup Photos | 2025-11-20 | PDF 2.7 MB |
| Test Setup Photos | Test Setup Photos | 2025-11-18 | PDF 1.9 MB |
| test report part1 | Test Report | 2026-03-23 | PDF 5.8 MB |
| test report part2 | Test Report | 2026-03-23 | PDF 5.5 MB |
| test report part3 | Test Report | 2026-03-23 | PDF 5.2 MB |
| test report part4 | Test Report | 2026-03-23 | PDF 2.3 MB |
| test report part5 | Test Report | 2026-03-23 | PDF 5.5 MB |
| ANT Test Report | Test Report | 2025-11-20 | PDF 1.4 MB |
| Test Report1 | Test Report | 2025-11-20 | PDF 5.8 MB |
| Test Report1 | Test Report | 2025-11-20 | PDF 5.3 MB |
| Test Report2 | Test Report | 2025-11-20 | PDF 5.5 MB |
| Test Report2 | Test Report | 2025-11-20 | PDF 5.4 MB |
| Test Report3 | Test Report | 2025-11-20 | PDF 5.2 MB |
| Test Report3 | Test Report | 2025-11-20 | PDF 5 MB |
| Test Report4 | Test Report | 2025-11-20 | PDF 3.5 MB |
| Test Report4 | Test Report | 2025-11-20 | PDF 2.3 MB |
| Test Report5 | Test Report | 2025-11-20 | PDF 5.5 MB |
| Test Report5 | Test Report | 2025-11-20 | PDF 1.5 MB |
| Test Report | Test Report | 2025-11-18 | PDF 1.9 MB |
| Attestation Statements | Attestation Statements | 2026-03-23 | PDF 131 KB |
| C2PC letter | Attestation Statements | 2026-03-23 | PDF 257.3 KB |
| US agent letter | Attestation Statements | 2026-03-23 | PDF 172.5 KB |
| US agent | Attestation Statements | 2025-11-20 | PDF 172.5 KB |
| POA | Cover Letter(s) | 2026-03-23 | PDF 177.4 KB |
| Agent Authorization | Cover Letter(s) | 2025-11-20 | PDF 177.4 KB |
| Declaration letter | Cover Letter(s) | 2025-11-20 | PDF 198.5 KB |
| Long term Confidentiality Letter | Cover Letter(s) | 2025-11-20 | PDF 129.9 KB |
| Model Difference | Cover Letter(s) | 2025-11-20 | PDF 34.7 KB |
| Modular Approval Letter | Cover Letter(s) | 2025-11-20 | PDF 177.2 KB |
| RF Exposure Info | RF Exposure Info | 2026-03-23 | PDF 510.2 KB |
| Block Diagram Metadata only | Block Diagram | PDF 65.2 KB | |
| Schematics Metadata only | Schematics | PDF 349.2 KB | |
| Operational Description Metadata only | Operational Description | PDF 1.6 MB | |
| Software Security Metadata only | SDR Software/Security Info. | PDF 194.3 KB | |
| BOM1 Metadata only | Parts List/Tune Up Info | PDF 28 KB | |
| BOM2 Metadata only | Parts List/Tune Up Info | PDF 29.8 KB |
Application Information
| Application ID | ZQQ62zzIgRjjeJMDul3Ixw== |
|---|---|
| Final Action Date | 2026-03-23 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0033626425 |
| Model | PKM8721DAF |
| Frequency Range | 2412-2472 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | 2.4GHz/5GHzWireless LAN/Bluetooth module |
| Responsible Party | Tian qizhi, qizhi_tian@realsil.com.cn , 13057441106 |
| Non-Technical Contact | Tim Payne, FCC US Agent, LLC, Support@FCCUSAgent.com |
| Test Firm | Michelle Qu, Eurofins TA Technology (Shanghai) Co., Ltd., Michelle.Qu@cpt.eurofinscn.com  , 86-21-50791141 |
| TCB Email | tcb@metlabs.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| 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 |
|---|---|---|
| ZQQ62zzIgRjjeJMDul3Ixw== | 2026-03-23 | Class II permissive change or modification of presently authorized equipment |
| D4AlQa9BYMOECrH2UEwjgg== | 2025-11-20 | Original Equipment |
| BC0iQDd1/VrMuyqQVI8flQ== | 2025-11-20 | Original Equipment |
| X7Kw0nRfJo3L3OjkWoj+Pw== | 2025-11-18 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application ZQQ62zzIgRjjeJMDul3Ixw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 03/23/2026 Application Dated: 03/23/2026 |
| Realsil Microelectronics (suzhou) co. Ltd. |
| No.128, West Shenhu Road, |
| Suzhou Industrial Park, Jiangsu Province, China |
| Attention: Tian qizhi , |
| 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: | 2BASB-PKM8721DAF |
| Name of Grantee: | Realsil Microelectronics (suzhou) co. Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | 2.4GHz/5GHzWireless LAN/Bluetooth module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2412.0 - 2472.0 | 0.116 | ||
| CC | 15C | 2402.0 - 2480.0 | 0.007 |
| C2PC.Single modular approval. Output power listed is conducted. The device supports 20MHz and 40MHz bandwidths. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedures. The host integrator must follow the integration instructions provided by the module manufacturer and ensure that the composite-system end product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules and to KDB Publication 996369. The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter, except the collocation as described in this filing or in accordance with FCC multi-transmitter product guidelines. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application X7Kw0nRfJo3L3OjkWoj+Pw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 11/18/2025 Application Dated: 11/18/2025 |
| Realsil Microelectronics (suzhou) co. Ltd. |
| No.128, West Shenhu Road, |
| Suzhou Industrial Park, Jiangsu Province, China |
| Attention: Tian qizhi , |
| 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: | 2BASB-PKM8721DAF |
| Name of Grantee: | Realsil Microelectronics (suzhou) co. Ltd. |
| Equipment Class: | Part 15 Class B Digital Device |
| Notes: | 2.4GHz/5GHzWireless LAN/Bluetooth module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15B | - |
| Single modular approval. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application D4AlQa9BYMOECrH2UEwjgg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 11/20/2025 Application Dated: 11/18/2025 |
| Realsil Microelectronics (suzhou) co. Ltd. |
| No.128, West Shenhu Road, |
| Suzhou Industrial Park, Jiangsu Province, China |
| Attention: Tian qizhi , |
| 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: | 2BASB-PKM8721DAF |
| Name of Grantee: | Realsil Microelectronics (suzhou) co. Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | 2.4GHz/5GHzWireless LAN/Bluetooth module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2412.0 - 2462.0 | 0.116 | ||
| CC | 15C | 2402.0 - 2480.0 | 0.007 |
| Single modular approval. Output power listed is conducted. The device supports 20MHz and 40MHz bandwidths. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedures. The host integrator must follow the integration instructions provided by the module manufacturer and ensure that the composite-system end product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules and to KDB Publication 996369. The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter, except the collocation as described in this filing or in accordance with FCC multi-transmitter product guidelines. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application BC0iQDd1/VrMuyqQVI8flQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 11/20/2025 Application Dated: 11/20/2025 |
| Realsil Microelectronics (suzhou) co. Ltd. |
| No.128, West Shenhu Road, |
| Suzhou Industrial Park, Jiangsu Province, China |
| Attention: Tian qizhi , |
| 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: | 2BASB-PKM8721DAF |
| Name of Grantee: | Realsil Microelectronics (suzhou) co. Ltd. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | 2.4GHz/5GHzWireless LAN/Bluetooth module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.072 | ||
| CC ND | 15E | 5260.0 - 5320.0 | 0.068 | ||
| CC ND | 15E | 5500.0 - 5720.0 | 0.067 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.067 |
| Single modular approval.Output power listed is conducted. The device supports 20MHz and 40MHz bandwidths. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedures. The host integrator must follow the integration instructions provided by the module manufacturer and ensure that the composite-system end product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules and to KDB Publication 996369. The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter, except the collocation as described in this filing or in accordance with FCC multi-transmitter product guidelines. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| ND: | This UNII device complies with the Transmit Power Control (TPC) and Dynamic Frequency Selection (DFS) requirements in Section 15.407(h). |