FCC ID 2BM54-CD11
CD11 Wireless Bluetooth Earphones
by Shenzhen YiCheng Technology Co., Ltd
Grantee Code: 2BM54 Product Code: CD11
Latest application date: 2025-11-18
FCC ID Device Details
| FCC ID | 2BM54-CD11 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BM54 |
| Product Code | CD11 |
| Applicant Business | Shenzhen YiCheng Technology Co., Ltd 🇨🇳 |
| Equipment Class | CD11 Wireless Bluetooth Earphones |
| Test Firm | Shenzhen Bangce Testing Technology Co. , Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-11-18 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-11-18 | PDF 701.5 KB |
| Internal Photographs | Internal Photos | 2025-11-18 | PDF 1.4 MB |
| External Photographs | External Photos | 2025-11-18 | PDF 1.6 MB |
| Label | ID Label/Location Info | 2025-11-18 | PDF 135 KB |
| Test Setup photos | Test Setup Photos | 2025-11-18 | PDF 1.2 MB |
| Antenna data sheet | Test Report | 2025-11-18 | PDF 837.3 KB |
| CISRR250827226_47 CFR Part 15.247 | Test Report | 2025-11-18 | PDF 2.9 MB |
| USA-CoveredEquipmentLetter-Combined | Attestation Statements | 2025-11-18 | PDF 93.1 KB |
| USA-Local Rep Letter | Attestation Statements | 2025-11-18 | PDF 62.9 KB |
| Confidentiality Request Letter | Cover Letter(s) | 2025-11-18 | PDF 93.7 KB |
| RF Exposure Evaluation 5mm BT | RF Exposure Info | 2025-11-18 | PDF 76.8 KB |
| Block Diagram Metadata only | Block Diagram | PDF 27.6 KB | |
| Schematic Metadata only | Schematics | PDF 15.2 KB | |
| Operation Description Metadata only | Operational Description | PDF 163.6 KB | |
| USA-DueDigilenceLetter Metadata only | Operational Description | PDF 112 KB |
Application Information
| Application ID | 4d1WQVhVOXaF0NAQ7QXjBw== |
|---|---|
| Final Action Date | 2025-11-18 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0036456663 |
| Model | CD11 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | CD11 Wireless Bluetooth Earphones |
| Responsible Party | Yixuan Cheng, cyx493235922@163.com  , 18923442450 |
| Technical Contact | Hans Hu, Shenzhen Bangce Testing Technology Co., Ltd., huzhiqiang@cis-cn.net  , 15818730309 |
| Test Firm | Hans Hu, Shenzhen Bangce Testing Technology Co. , Ltd., huzhiqiang@cis-cn.net , +86 0158 1873 0309 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| 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 |
|---|---|---|
| 4d1WQVhVOXaF0NAQ7QXjBw== | 2025-11-18 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.00135 | 15C |
Grants
TCB Grant - Application 4d1WQVhVOXaF0NAQ7QXjBw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 11/18/2025 Application Dated: 11/18/2025 |
| Shenzhen YiCheng Technology Co., Ltd |
| D01, Building A,No. 1034 Longgang Avenue |
| (Ping District), Pingxi Community |
| Pingdi Street, Longgang District, Shenzhen City, China |
| Attention: Yixuan Cheng , |
| 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: | 2BM54-CD11 |
| Name of Grantee: | Shenzhen YiCheng Technology Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | CD11 Wireless Bluetooth Earphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00135 |
| Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |