FCC ID 2BN92-K21
helmet headset
by Shenzhen Fengku Technology Co., Ltd
Grantee Code: 2BN92 Product Code: K21
Latest application date: 2026-10-30
FCC ID Device Details
| FCC ID | 2BN92-K21 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BN92 |
| Product Code | K21 |
| Applicant Business | Shenzhen Fengku Technology Co., Ltd 🇨🇳 |
| Related Domains |  linkwld.com |
| Equipment Class | helmet headset |
| Test Firm | Shenzhen Anbotek Compliance Laboratory Limited |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-10-30 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| ID Label and Location | ID Label/Location Info | 2026-10-30 | PDF 1 MB |
| Antenna Information | Test Report | 2026-10-30 | PDF 124.6 KB |
| Test Report-1 | Test Report | 2026-10-30 | PDF 1.1 MB |
| Test Report-2 | Test Report | 2026-10-30 | PDF 3.5 MB |
| Test Report-3 | Test Report | 2026-10-30 | PDF 4.2 MB |
| Covered Equipment Certification Attestation | Attestation Statements | 2026-10-30 | PDF 89.9 KB |
| US Agent Attestation | Attestation Statements | 2026-10-30 | PDF 94.1 KB |
| Confidentiality Request Letter | Cover Letter(s) | 2026-10-30 | PDF 164.6 KB |
| RF Exposure | RF Exposure Info | 2026-10-30 | PDF 263.5 KB |
| User Manual Metadata only | Users Manual | 2027-04-29 | PDF 3.7 MB |
| Internal Photos Metadata only | Internal Photos | 2027-04-29 | PDF 991.9 KB |
| External Photos Metadata only | External Photos | 2027-04-29 | PDF 2.1 MB |
| Test Setup Photos Metadata only | Test Setup Photos | 2027-04-29 | PDF 675.7 KB |
| Block Diagram Metadata only | Block Diagram | PDF 191 KB | |
| Schematics Metadata only | Schematics | PDF 221.9 KB | |
| Operational Description-1 Metadata only | Operational Description | PDF 65.2 KB | |
| Operational Description-2 Metadata only | Operational Description | PDF 442.6 KB |
Application Information
| Application ID | f7SoNKhO6q73B4tce/XOaQ== |
|---|---|
| Final Action Date | 2026-10-30 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0036804920 |
| Model | K21 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | helmet headset |
| Responsible Party | Fawei Gao, fengkukeji@yeah.net  , 13138873880 |
| 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 | TCB@nemko.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | No |
| 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 |
|---|---|---|
| f7SoNKhO6q73B4tce/XOaQ== | 2026-10-30 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.00054 | 15C |
Grants
TCB Grant - Application f7SoNKhO6q73B4tce/XOaQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Nemko North America, Inc. 303 River Road Ottawa, Ontario, K1V 1H2 Canada |
Date of Grant: 10/30/2026 Application Dated: 10/30/2026 |
| Shenzhen Fengku Technology Co., Ltd |
| 4rd Floor, Building B, Runchangyuan Industrial |
| Zone, Bantian Street, Longgang District |
| Shenzhen, China |
| Attention: Fawei Gao , general 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: | 2BN92-K21 |
| Name of Grantee: | Shenzhen Fengku Technology Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | helmet headset |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00054 |
| Output power listed is conducted. |