FCC ID 2BSBR-M4
Wireless Keyboard
by ShenZhenShi YiDong DianZi YouXianGongSi
Grantee Code: 2BSBR Product Code: M4
Latest application date: 2025-09-23
FCC ID Device Details
| FCC ID | 2BSBR-M4 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BSBR |
| Product Code | M4 |
| Applicant Business | ShenZhenShi YiDong DianZi YouXianGongSi 🇨🇳 |
| Related Domains |  exknight.com |
| Equipment Class | Wireless Keyboard |
| Test Firm | Flux Compliance Service Laboratory |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-09-23 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| user manual | Users Manual | 2026-03-23 | PDF 4.4 MB |
| Internal Photos | Internal Photos | 2026-03-23 | PDF 1.6 MB |
| Extemal photos | External Photos | 2026-03-23 | PDF 1.5 MB |
| Label and Label Location | ID Label/Location Info | 2025-09-23 | PDF 1 MB |
| Test Setup Photograph | Test Setup Photos | 2026-03-23 | PDF 2.1 MB |
| ANT | Test Report | 2025-09-23 | PDF 3.2 MB |
| Test Report | Test Report | 2025-09-23 | PDF 2.7 MB |
| 2.911_(d)(5)(i) (ii)Certification Equipment Type v1.2 | Attestation Statements | 2025-09-23 | PDF 69.8 KB |
| Attestation_Statements_Kaspersky_Rev 1.0 | Attestation Statements | 2025-09-23 | PDF 122.1 KB |
| U.S. Agent Letter of Attestation _Rev1.0 | Attestation Statements | 2025-09-23 | PDF 71.6 KB |
| FCC-Confidentiality-Request_Rev1.1 | Cover Letter(s) | 2025-09-23 | PDF 68.6 KB |
| FCC_POA_Rev1.0 | Cover Letter(s) | 2025-09-23 | PDF 76.1 KB |
| Product Change Description | Cover Letter(s) | 2025-09-23 | PDF 64.6 KB |
| RF Exposure | RF Exposure Info | 2025-09-23 | PDF 111.4 KB |
| BLOCK diagram Metadata only | Block Diagram | PDF 42 KB | |
| SCH Metadata only | Schematics | PDF 430.4 KB | |
| OP Metadata only | Operational Description | PDF 77.4 KB |
Application Information
| Application ID | XYgnYdh8u58SOffVft4lVA== |
|---|---|
| Final Action Date | 2025-09-23 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037530938 |
| Model | M4 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Wireless Keyboard |
| Responsible Party | Selina Selina, cs@exknight.com , 13549354450 |
| Test Firm | Andy Yue, Flux Compliance Service Laboratory, andy.yue@fcs-lab.com  , 13510297284 |
| TCB Email | joe_chew@derycom-us.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 |
|---|---|---|
| XYgnYdh8u58SOffVft4lVA== | 2025-09-23 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.00128 | 15C |
Grants
TCB Grant - Application XYgnYdh8u58SOffVft4lVA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
DERYCOM CERTIFICATION SERVICES, INC. 1100 Falcon Avenue Glencoe, MN 55336 |
Date of Grant: 09/23/2025 Application Dated: 09/23/2025 |
| ShenZhenShi YiDong DianZi YouXianGongSi |
| Room 202, Building 2, ZhongChengWeiLai |
| Industrial Park, BaoAn, ShenZhen, China |
| Attention: Selina Selina , |
| 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: | 2BSBR-M4 |
| Name of Grantee: | ShenZhenShi YiDong DianZi YouXianGongSi |
| Equipment Class: | Digital Transmission System |
| Notes: | Wireless Keyboard |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00128 |
| Output power listed is conducted power. |