FCC ID 2A7J4-QWS20
Wireless Audio System
by Changsha Sonicake Technology Co., Ltd.
Grantee Code: 2A7J4 Product Code: QWS20
Latest application date: 2026-07-23
FCC ID Device Details
| FCC ID | 2A7J4-QWS20 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A7J4 |
| Product Code | QWS20 |
| Applicant Business | Changsha Sonicake Technology Co., Ltd. 🇨🇳 |
| Related Domains |  sonicake.com  oasis-compliance.com |
| Equipment Class | Wireless Audio System |
| Test Firm | Shenzhen Microtest Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 5728-5848 MHz | Original Equipment | 2026-07-23 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-07-23 | PDF 5.5 MB |
| Internal photos | Internal Photos | 2026-07-23 | PDF 1.2 MB |
| External photos | External Photos | 2026-07-23 | PDF 2.1 MB |
| ID label and location | ID Label/Location Info | 2026-07-23 | PDF 560.3 KB |
| Test Setup photo | Test Setup Photos | 2026-07-23 | PDF 1.8 MB |
| Antenna Specification | Test Report | 2026-07-23 | PDF 274.5 KB |
| Test report | Test Report | 2026-07-23 | PDF 3.1 MB |
| Attestation Statement | Attestation Statements | 2026-07-23 | PDF 432.2 KB |
| Kaspersky Statement | Attestation Statements | 2026-07-23 | PDF 676.8 KB |
| TCB_validation_US_agent_process | Attestation Statements | 2026-07-23 | PDF 1.2 MB |
| Us_Agent | Attestation Statements | 2026-07-23 | PDF 160.4 KB |
| Confidentiality | Cover Letter(s) | 2026-07-23 | PDF 494.5 KB |
| Letter Authorization | Cover Letter(s) | 2026-07-23 | PDF 211.2 KB |
| Software Configuration | Cover Letter(s) | 2026-07-23 | PDF 90.7 KB |
| RF Exposure | RF Exposure Info | 2026-07-23 | PDF 1.9 MB |
| Block Diagram Metadata only | Block Diagram | PDF 113.7 KB | |
| Schematics Metadata only | Schematics | PDF 524.2 KB | |
| Operational Description Metadata only | Operational Description | PDF 531.6 KB | |
| Software Security Metadata only | SDR Software/Security Info. | PDF 336.9 KB |
Application Information
| Application ID | 0apz3yWrZxGSUdRECnc+FQ== |
|---|---|
| Final Action Date | 2026-07-23 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0032570772 |
| Model | QWS20 |
| Frequency Range | 5728-5848 MHz |
| Equipment Class | NII - Unlicensed National Information Infrastructure TX |
| Device Description | Wireless Audio System |
| Responsible Party | Feng Qian, gm@sonicake.com , 0731-88710800 |
| Technical Contact | Jade Yang, Shenzhen Microtest Co., Ltd, leon@51mti.com  , +86-755 88850135 |
| Non-Technical Contact | James He, Oasis Compliance, Inc./JIANMIN HE, info@oasis-compliance.com , (202)602-8330 |
| Test Firm | Tina Huang, Shenzhen Microtest Co., Ltd., tinahuang@51mti.com , 0755-88850135-1132 |
| TCB Email | elabscert@applus.com  |
| 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 |
|---|---|---|
| 0apz3yWrZxGSUdRECnc+FQ== | 2026-07-23 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 5728-5848 MHz | 0.001 | 15E |
Grants
TCB Grant - Application 0apz3yWrZxGSUdRECnc+FQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
LGAI Technological Center S.A. (APPLUS) Ronda de la Font del Carme, s/n <BR>P.O. Box 08193, Barcelona, Spain |
Date of Grant: 07/23/2026 Application Dated: 07/23/2026 |
| Changsha Sonicake Technology Co., Ltd. |
| Room 601A16,Enterprise Building,Hunan University |
| Science Park,No.186,Guyuan Road,High-tech Zone |
| Changsha City, Hunan Province, P.R. China, China |
| Attention: Feng Qian , general manager |
| 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: | 2A7J4-QWS20 |
| Name of Grantee: | Changsha Sonicake Technology Co., Ltd. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | Wireless Audio System |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15E | 5728.0 - 5848.0 | 0.001 |
| Output power listed is conducted. |