FCC ID 2BW4H-CH-J2157
Car model audio
by Dongguan Yaosheng Electronic Technology Co., Ltd.
Grantee Code: 2BW4H Product Code: CHJ2157
Latest application date: 2026-07-27
FCC ID Device Details
| FCC ID | 2BW4H-CH-J2157 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BW4H |
| Product Code | CHJ2157 |
| Applicant Business | Dongguan Yaosheng Electronic Technology Co., Ltd. 🇨🇳 |
| Related Domains |  glocerts.com |
| Equipment Class | Car model audio |
| Test Firm | Shenzhen Bangce Testing Technology Co. , Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-07-27 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual REV1.0 | Users Manual | 2026-07-27 | PDF 2.1 MB |
| Internal Photographs | Internal Photos | 2026-07-27 | PDF 3.9 MB |
| External Photographs | External Photos | 2026-07-27 | PDF 3.3 MB |
| Label&Label location | ID Label/Location Info | 2026-07-27 | PDF 3.9 MB |
| Test Setup | Test Setup Photos | 2026-07-27 | PDF 1.9 MB |
| Antenna data sheet | Test Report | 2026-07-27 | PDF 1.2 MB |
| CISRR26070907501_47 CFR Part 15.247 | Test Report | 2026-07-27 | PDF 5.5 MB |
| USA-CoveredEquipmentLetter-Combined | Attestation Statements | 2026-07-27 | PDF 85.5 KB |
| USA-Local Rep Letter-CH-J2157 | Attestation Statements | 2026-07-27 | PDF 146.5 KB |
| SDoC declaration letter | Cover Letter(s) | 2026-07-27 | PDF 92.5 KB |
| USA-ConfidentialityRequestLetter | Cover Letter(s) | 2026-07-27 | PDF 88.3 KB |
| CISRR26070907502_RF Exposure Evaluation FCC Part2.1093 | RF Exposure Info | 2026-07-27 | PDF 176.4 KB |
| Block Diagram Metadata only | Block Diagram | PDF 31.1 KB | |
| Schematic Metadata only | Schematics | PDF 138.5 KB | |
| Operational Description REV1.0 Metadata only | Operational Description | PDF 58.1 KB | |
| USA-Due Digilence Letter Metadata only | Operational Description | PDF 110.1 KB |
Application Information
| Application ID | 3YWUEKpvZopoQqgHFW1C7A== |
|---|---|
| Final Action Date | 2026-07-27 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0038657375 |
| Model | CH-J2157 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Car model audio |
| Responsible Party | Huihong Huang, 1432156702@qq.com  , +8613415839736 |
| Technical Contact | Hans Hu, Shenzhen Bangce Testing Technology Co., Ltd., huzhiqiang@cis-cn.net  , 15818730309 |
| Non-Technical Contact | Huiying Fan, GLOCERTS TECHNOLOGY INC, huiying.fan@glocerts.com , (626) 588-8039 |
| 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 |
|---|---|---|
| 3YWUEKpvZopoQqgHFW1C7A== | 2026-07-27 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.00126 | 15C |
Grants
TCB Grant - Application 3YWUEKpvZopoQqgHFW1C7A==
| 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: 07/27/2026 Application Dated: 07/27/2026 |
| Dongguan Yaosheng Electronic Technology Co., Ltd. |
| Building 1,No.2 Xinyongda Road, Shipai Town, |
| Dongguan City, Guangdong Province, China |
| Attention: Huihong Huang , |
| 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: | 2BW4H-CH-J2157 |
| Name of Grantee: | Dongguan Yaosheng Electronic Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Car model audio |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00126 |
| 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. |