FCC ID 2BXHB-TW6621SM00
TianMa Wireless Communication Module
by Tianma Microelectronics Co., Ltd.
Grantee Code: 2BXHB Product Code: TW6621SM00
Latest application date: 2026-08-09
FCC ID Device Details
| FCC ID | 2BXHB-TW6621SM00 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BXHB |
| Product Code | TW6621SM00 |
| Applicant Business | Tianma Microelectronics Co., Ltd. 🇨🇳 |
| Related Domains |  tianma.cn  linkwld.com |
| Equipment Class | TianMa Wireless Communication Module |
| Test Firm | Shenzhen Anbotek Compliance Laboratory Limited |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-08-09 |
| 5745-5825 MHz | Original Equipment | 2026-08-09 |
| 2412-2462 MHz | Original Equipment | 2026-08-09 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| ID label and location | ID Label/Location Info | 2026-08-09 | PDF 123.9 KB |
| Antenna Specification | Test Report | 2026-08-09 | PDF 540.3 KB |
| Test report BLE | Test Report | 2026-08-09 | PDF 1.1 MB |
| Test report BLE DATA | Test Report | 2026-08-09 | PDF 4.6 MB |
| Test report BT | Test Report | 2026-08-09 | PDF 1.1 MB |
| Test report BT DATA | Test Report | 2026-08-09 | PDF 5.3 MB |
| Test report RLAN | Test Report | 2026-08-09 | PDF 1.4 MB |
| Test report RLAN DATA part1 | Test Report | 2026-08-09 | PDF 4.7 MB |
| Test report RLAN DATA part2 | Test Report | 2026-08-09 | PDF 4.7 MB |
| Test report RLAN DATA part3 | Test Report | 2026-08-09 | PDF 4.5 MB |
| Test report WLAN | Test Report | 2026-08-09 | PDF 1.1 MB |
| Test report WLAN DATA | Test Report | 2026-08-09 | PDF 4.9 MB |
| Attestation Statement | Attestation Statements | 2026-08-09 | PDF 429.9 KB |
| Kaspersky Statement | Attestation Statements | 2026-08-09 | PDF 666.5 KB |
| TCB_validation_US_agent_process | Attestation Statements | 2026-08-09 | PDF 1.2 MB |
| Us_Agent | Attestation Statements | 2026-08-09 | PDF 97.6 KB |
| Confidentiality | Cover Letter(s) | 2026-08-09 | PDF 155.4 KB |
| Letter Authorization | Cover Letter(s) | 2026-08-09 | PDF 145.5 KB |
| Modular Transmitter Approval Request | Cover Letter(s) | 2026-08-09 | PDF 165.6 KB |
| Software Configuration | Cover Letter(s) | 2026-08-09 | PDF 71.2 KB |
| MPE | RF Exposure Info | 2026-08-09 | PDF 198 KB |
| User manual Metadata only | Users Manual | 2027-02-03 | PDF 407.9 KB |
| Internal photos Metadata only | Internal Photos | 2027-02-03 | PDF 817.7 KB |
| External photos Metadata only | External Photos | 2027-02-03 | PDF 2 MB |
| Test Setup photo Metadata only | Test Setup Photos | 2027-02-03 | PDF 722.6 KB |
| Block Diagram Metadata only | Block Diagram | PDF 47.1 KB | |
| Schematics Metadata only | Schematics | PDF 146.3 KB | |
| Operational Description Metadata only | Operational Description | PDF 113.5 KB | |
| Software Security Metadata only | SDR Software/Security Info. | PDF 88.1 KB |
Application Information
| Application ID | gVODrXhN28rxMZvgqlEBBg== |
|---|---|
| Final Action Date | 2026-08-09 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0038724209 |
| Model | TW6621SM00 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | TianMa Wireless Communication Module |
| Responsible Party | Mckenna Geng, meicen_geng@tianma.cn , +86 17766177423 |
| Technical Contact | Jeff Zhu, Shenzhen Anbotek Compliance Laboratory Limited, jeff.zhu@anbotek.com  , 86-755-26064492 |
| Non-Technical Contact | Timothy Zhu, Linkwld LLC, Timothy.zhu@linkwld.com , (747) 717-2691 |
| Test Firm | Jeff Zhu, Shenzhen Anbotek Compliance Laboratory Limited, jeff.zhu@anbotek.com , 86-12798230942 |
| TCB Email | elabscert@applus.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 |
|---|---|---|
| gVODrXhN28rxMZvgqlEBBg== | 2026-08-09 | Original Equipment |
| BVrJBnXMc5HBSgDmM2SmFQ== | 2026-08-09 | Original Equipment |
| 7WXB2w5352WLN0J/FmAVzA== | 2026-08-09 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application gVODrXhN28rxMZvgqlEBBg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
LGAI Technological Center S.A. (APPLUS) Ronda de la Font del Carme, s/n <BR>P.O. Box 08193, Barcelona, Spain |
Date of Grant: 08/09/2026 Application Dated: 08/07/2026 |
| Tianma Microelectronics Co., Ltd. |
| Tianma Headquarters Building, Beizhan Community, |
| Minzhi Street, Longhua District |
| Shenzhen, Guangdong, 518131 China |
| Attention: Mckenna Geng , Project Manager, Complete Machine Department |
| 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: | 2BXHB-TW6621SM00 |
| Name of Grantee: | Tianma Microelectronics Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | TianMa Wireless Communication 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 | 0.002 |
| Single Modular Approval. Output power listed is conducted. This module is restricted to installation in products for use only in mobile and fixed applications. Separate approval is required for all other operating configurations, including portable configurations with respect to 2.1093. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. OEM integrators and end-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. Only those antenna(s) tested with the device or similar antenna(s) with equal or lesser gain may be used with this transmitter. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application BVrJBnXMc5HBSgDmM2SmFQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
LGAI Technological Center S.A. (APPLUS) Ronda de la Font del Carme, s/n <BR>P.O. Box 08193, Barcelona, Spain |
Date of Grant: 08/09/2026 Application Dated: 08/07/2026 |
| Tianma Microelectronics Co., Ltd. |
| Tianma Headquarters Building, Beizhan Community, |
| Minzhi Street, Longhua District |
| Shenzhen, Guangdong, 518131 China |
| Attention: Mckenna Geng , Project Manager, Complete Machine Department |
| 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: | 2BXHB-TW6621SM00 |
| Name of Grantee: | Tianma Microelectronics Co., Ltd. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | TianMa Wireless Communication 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 | 0.039 | ||
| CC ND | 15E | 5260.0 - 5320.0 | 0.0384 | ||
| CC ND | 15E | 5500.0 - 5700.0 | 0.0371 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.0387 |
| Single Modular Approval. Output power listed is conducted. This module is restricted to installation in products for use only in mobile and fixed applications. Separate approval is required for all other operating configurations, including portable configurations with respect to 2.1093. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. OEM integrators and end-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. Only those antenna(s) tested with the device or similar antenna(s) with equal or lesser gain may be used with this transmitter. The device contains 20MHz and 40MHz bandwidth. This device complies with the Dynamic Frequency Selection(DFS) requirements of KDB 905462 D03 as a Cilent only without Radar Detection. |
| 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 7WXB2w5352WLN0J/FmAVzA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
LGAI Technological Center S.A. (APPLUS) Ronda de la Font del Carme, s/n <BR>P.O. Box 08193, Barcelona, Spain |
Date of Grant: 08/09/2026 Application Dated: 08/07/2026 |
| Tianma Microelectronics Co., Ltd. |
| Tianma Headquarters Building, Beizhan Community, |
| Minzhi Street, Longhua District |
| Shenzhen, Guangdong, 518131 China |
| Attention: Mckenna Geng , Project Manager, Complete Machine Department |
| 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: | 2BXHB-TW6621SM00 |
| Name of Grantee: | Tianma Microelectronics Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | TianMa Wireless Communication 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 | 0.0056 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.0245 |
| Single Modular Approval. Output power listed is conducted. This module is restricted to installation in products for use only in mobile and fixed applications. Separate approval is required for all other operating configurations, including portable configurations with respect to 2.1093. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. OEM integrators and end-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. Only those antenna(s) tested with the device or similar antenna(s) with equal or lesser gain may be used with this transmitter. The device contains 20MHz and 40MHz bandwidth. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |