FCC ID 2BU2A-CHJ228
Wireless Speaker
by Shenzhen Kai Sheng Jia Technology Co., Ltd.
Grantee Code: 2BU2A Product Code: CHJ228
Latest application date: 2026-05-09
FCC ID Device Details
| FCC ID | 2BU2A-CHJ228 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BU2A |
| Product Code | CHJ228 |
| Applicant Business | Shenzhen Kai Sheng Jia Technology Co., Ltd. 🇨🇳 |
| Related Domains |  bridgeportadv.com |
| Equipment Class | Wireless Speaker |
| Test Firm | Shenzhen Huaxia Testing Technology Co., Ltd |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-05-09 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-05-09 | PDF 403 KB |
| Internal Photos | Internal Photos | 2026-05-09 | PDF 2.8 MB |
| External Photos | External Photos | 2026-05-09 | PDF 3.5 MB |
| Label Information | ID Label/Location Info | 2026-05-09 | PDF 412.8 KB |
| Test Setup Photos | Test Setup Photos | 2026-05-09 | PDF 2.6 MB |
| Antenna Report | Test Report | 2026-05-09 | PDF 1.1 MB |
| Test Report | Test Report | 2026-05-09 | PDF 3.9 MB |
| Attestation Statements of US Agent for Service of Process, 2.911(d)(7) | Attestation Statements | 2026-05-09 | PDF 571.1 KB |
| Attestation of Covered Equipment, 2.911(d)(5)(i)(ii)C | Attestation Statements | 2026-05-09 | PDF 479.9 KB |
| Agent Authorization Letter Template | Cover Letter(s) | 2026-05-09 | PDF 307.3 KB |
| Model similarities and differences | Cover Letter(s) | 2026-05-09 | PDF 144.1 KB |
| Short & Long Term Confidentiality Request | Cover Letter(s) | 2026-05-09 | PDF 410.3 KB |
| RF Exposure Report | RF Exposure Info | 2026-05-09 | PDF 362.1 KB |
| BLOCK Metadata only | Block Diagram | PDF 212.6 KB | |
| SCH Metadata only | Schematics | PDF 91 KB | |
| Operational Description Metadata only | Operational Description | PDF 63 KB |
Application Information
| Application ID | C+3tIj4hCuQ7c7XYqFXCqA== |
|---|---|
| Final Action Date | 2026-05-09 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0038102240 |
| Model | CHJ228 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Wireless Speaker |
| Responsible Party | Ouyang Ling, 491712903@qq.com  , 15099933025 |
| Technical Contact | Shenzhen Kai Sheng Jia Technology Co., Ltd., 491712903@qq.com |
| Non-Technical Contact | Yong Liu, Bridgeport Advisory LLC, yliu@bridgeportadv.com |
| Test Firm | Jack Ai, Shenzhen Huaxia Testing Technology Co., Ltd, szcqa@cqa-cert.com  , +8613902988375 |
| TCB Email | anezam@qai.org  |
| 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 |
|---|---|---|
| C+3tIj4hCuQ7c7XYqFXCqA== | 2026-05-09 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0009 | 15C |
Grants
TCB Grant - Application C+3tIj4hCuQ7c7XYqFXCqA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
QAI LABORATORIES LTD 3980 North Fraser Way Burnaby, BC, V5J5K5 Canada |
Date of Grant: 05/09/2026 Application Dated: 05/08/2026 |
| Shenzhen Kai Sheng Jia Technology Co., Ltd. |
| Block A3,Building B5,Anle Industrial Park, |
| Xixiang Street,Bao'an District, |
| Shenzhen, China |
| Attention: Ouyang Ling , |
| 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: | 2BU2A-CHJ228 |
| Name of Grantee: | Shenzhen Kai Sheng Jia Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Wireless Speaker |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0009 |
| Power listed is the maximum conducted output power. |