FCC ID 2BU2A-CHJ678
Wireless Speaker
by Shenzhen Kai Sheng Jia Technology Co., Ltd.
Grantee Code: 2BU2A Product Code: CHJ678
Latest application date: 2026-03-12
FCC ID Device Details
| FCC ID | 2BU2A-CHJ678 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BU2A |
| Product Code | CHJ678 |
| Applicant Business | Shenzhen Kai Sheng Jia Technology Co., Ltd. 🇨🇳 |
| Related Domains |  fccagent.com |
| Equipment Class | Wireless Speaker |
| Test Firm | Shenzhen Huaxia Testing Technology Co., Ltd |
Linked Records
Barcode records decoded from published FCC label exhibits or linked by an explicit FCC ID reference on a product page.
| UPC / GTIN | Linked product |
|---|---|
| 12131416171819 GTIN-14 | Intelligent visual doorbell Brand: Dongguan Yu'aoran Electronic Technology Co., Ltd · Model: M30C Source: FCC label |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-03-12 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-03-12 | PDF 182.4 KB |
| Internal photos | Internal Photos | 2026-03-12 | PDF 3 MB |
| External photos | External Photos | 2026-03-12 | PDF 2.9 MB |
| Label and label location | ID Label/Location Info | 2026-03-12 | PDF 655 KB |
| Test setup photos | Test Setup Photos | 2026-03-12 | PDF 1.5 MB |
| Antenna information | Test Report | 2026-03-12 | PDF 1.1 MB |
| Test Report BT | Test Report | 2026-03-12 | PDF 3.8 MB |
| Agent attestation letter | Attestation Statements | 2026-03-12 | PDF 2.3 MB |
| Covered equipment letter | Attestation Statements | 2026-03-12 | PDF 265.4 KB |
| Due digilence letter | Attestation Statements | 2026-03-12 | PDF 262.1 KB |
| Confidentiality request letter | Cover Letter(s) | 2026-03-12 | PDF 264.2 KB |
| RF exposure evaluation | RF Exposure Info | 2026-03-12 | PDF 362.5 KB |
| Block diagram Metadata only | Block Diagram | PDF 39.9 KB | |
| Schematic Metadata only | Schematics | PDF 135.5 KB | |
| Operation description Metadata only | Operational Description | PDF 88.3 KB |
Application Information
| Application ID | 6HxcGdz6HjuR2nbyseUROA== |
|---|---|
| Final Action Date | 2026-03-12 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0038102240 |
| Model | CHJ678 |
| 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 |
| Non-Technical Contact | David Wilson, FCC US Agent Inc., Support@fccagent.com , (303)520-9810 |
| Test Firm | Jack Ai, Shenzhen Huaxia Testing Technology Co., Ltd, szcqa@cqa-cert.com  , +8613902988375 |
| 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 |
|---|---|---|
| 6HxcGdz6HjuR2nbyseUROA== | 2026-03-12 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0019 | 15C |
Grants
TCB Grant - Application 6HxcGdz6HjuR2nbyseUROA==
| 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: 03/12/2026 Application Dated: 03/12/2026 |
| 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-CHJ678 |
| 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 | 0.0019 |
| 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. |