FCC ID 2AL6K-M8821CS1
802.11a/b/g/n/ac 433Mbps WLAN + BT v4.2 Combo SDIO Module
by ShenZhen BiLian Electronic Co.,Ltd.
Grantee Code: 2AL6K Product Code: M8821CS1
Latest application date: 2026-04-20
FCC ID Device Details
| FCC ID | 2AL6K-M8821CS1 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AL6K |
| Product Code | M8821CS1 |
| Applicant Business | ShenZhen BiLian Electronic Co.,Ltd. 🇨🇳 |
| Related Domains |  b-link.net.cn |
| Equipment Class | 802.11a/b/g/n/ac 433Mbps WLAN + BT v4.2 Combo SDIO Module |
| Test Firm | Guangdong Global Testing Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2026-04-20 |
| 5745-5825 MHz | Original Equipment | 2026-04-20 |
| 2402-2480 MHz | Original Equipment | 2026-04-20 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2026-04-20 | PDF 2 MB |
| Internal Photos | Internal Photos | 2026-04-20 | PDF 214.7 KB |
| External Photos | External Photos | 2026-04-20 | PDF 535 KB |
| ID Label/Location Info | ID Label/Location Info | 2026-04-20 | PDF 148.2 KB |
| Test Setup Photos | Test Setup Photos | 2026-04-20 | PDF 677.4 KB |
| ANT Test Report | Test Report | 2026-04-20 | PDF 2.8 MB |
| Test Report 1 | Test Report | 2026-04-20 | PDF 2.3 MB |
| Test Report 1 | Test Report | 2026-04-20 | PDF 4.1 MB |
| Test Report 1 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Test Report 10 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Test Report 11 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Test Report 12 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Test Report 13 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Test Report 14 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Test Report 15 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Test Report 16 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Test Report 17 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Test Report 18 | Test Report | 2026-04-20 | PDF 5.4 MB |
| Test Report 2 | Test Report | 2026-04-20 | PDF 4.1 MB |
| Test Report 2 | Test Report | 2026-04-20 | PDF 4.5 MB |
| Test Report 2 | Test Report | 2026-04-20 | PDF 3.5 MB |
| Test Report 3 | Test Report | 2026-04-20 | PDF 4.1 MB |
| Test Report 3 | Test Report | 2026-04-20 | PDF 3.1 MB |
| Test Report 4 | Test Report | 2026-04-20 | PDF 4.7 MB |
| Test Report 5 | Test Report | 2026-04-20 | PDF 3.4 MB |
| Test Report 6 | Test Report | 2026-04-20 | PDF 2.2 MB |
| Test Report 7 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Test Report 8 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Test Report 9 | Test Report | 2026-04-20 | PDF 5.2 MB |
| Attestation Statements | Attestation Statements | 2026-04-20 | PDF 93.5 KB |
| US agent | Attestation Statements | 2026-04-20 | PDF 308.5 KB |
| Agent Authorization | Cover Letter(s) | 2026-04-20 | PDF 106.8 KB |
| Long term Confidentiality Letter | Cover Letter(s) | 2026-04-20 | PDF 114.4 KB |
| Modular Approval Letter | Cover Letter(s) | 2026-04-20 | PDF 184.8 KB |
| RF Exposure Info | RF Exposure Info | 2026-04-20 | PDF 251 KB |
| Block Diagram Metadata only | Block Diagram | PDF 115.1 KB | |
| Schematics Metadata only | Schematics | PDF 73.1 KB | |
| Operational Description Metadata only | Operational Description | PDF 115.2 KB | |
| SDR Software/Security Info Metadata only | SDR Software/Security Info. | PDF 219.5 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 45.8 KB |
Application Information
| Application ID | wM6PqDymfoxFP8tFKHBGSQ== |
|---|---|
| Final Action Date | 2026-04-20 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0026535013 |
| Model | M8821CS1 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | 802.11a/b/g/n/ac 433Mbps WLAN + BT v4.2 Combo SDIO Module |
| Responsible Party | Hanbing Deng, rdh05@b-link.net.cn , 18118768735 |
| Non-Technical Contact | Michael Chan, Global Product Services and Consultation LLC, cschanm@gmail.com  , +1 626 366 4358 |
| Test Firm | Shawn Wen, Guangdong Global Testing Technology Co., Ltd., qs04@gtggroup.com  , 86-769-8507-5888 |
| 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 |
|---|---|---|
| wM6PqDymfoxFP8tFKHBGSQ== | 2026-04-20 | Original Equipment |
| dF+8+Wl51Ea17SXevuo2Ww== | 2026-04-20 | Original Equipment |
| 576HoZgupSCSzgb5TUBa/A== | 2026-04-20 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application wM6PqDymfoxFP8tFKHBGSQ==
| 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: 04/20/2026 Application Dated: 04/20/2026 |
| ShenZhen BiLian Electronic Co.,Ltd. |
| Room 501,Building 3,No.32,Dafu Road, |
| Zhangge Community,FuchengStreet,Longhua District, |
| Shenzhen, 518000 China |
| Attention: Hanbing Deng , manager |
| 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: | 2AL6K-M8821CS1 |
| Name of Grantee: | ShenZhen BiLian Electronic Co.,Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | 802.11a/b/g/n/ac 433Mbps WLAN + BT v4.2 Combo SDIO 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 | 0.0494 | ||
| CC | 15C | 2402.0 - 2480.0 | 0.0031 |
| 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 dF+8+Wl51Ea17SXevuo2Ww==
| 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: 04/20/2026 Application Dated: 04/20/2026 |
| ShenZhen BiLian Electronic Co.,Ltd. |
| Room 501,Building 3,No.32,Dafu Road, |
| Zhangge Community,FuchengStreet,Longhua District, |
| Shenzhen, 518000 China |
| Attention: Hanbing Deng , manager |
| 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: | 2AL6K-M8821CS1 |
| Name of Grantee: | ShenZhen BiLian Electronic Co.,Ltd. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | 802.11a/b/g/n/ac 433Mbps WLAN + BT v4.2 Combo SDIO 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 | 0.0276 | ||
| CC ND | 15E | 5260.0 - 5320.0 | 0.0276 | ||
| CC ND | 15E | 5500.0 - 5700.0 | 0.0276 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.0242 |
| Single modular approval. Output power listed is conducted. The device supports 20MHz, 40MHz and 80MHz 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). |
TCB Grant - Application 576HoZgupSCSzgb5TUBa/A==
| 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: 04/20/2026 Application Dated: 04/20/2026 |
| ShenZhen BiLian Electronic Co.,Ltd. |
| Room 501,Building 3,No.32,Dafu Road, |
| Zhangge Community,FuchengStreet,Longhua District, |
| Shenzhen, 518000 China |
| Attention: Hanbing Deng , manager |
| 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: | 2AL6K-M8821CS1 |
| Name of Grantee: | ShenZhen BiLian Electronic Co.,Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | 802.11a/b/g/n/ac 433Mbps WLAN + BT v4.2 Combo SDIO Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0035 |
| Single modular approval. Output power listed is conducted. 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. |