FCC ID 2AYJ7-CHE-647
Wireless Earphones
by TRA COMPANY LTD.
Grantee Code: 2AYJ7 Product Code: CHE647
Latest application date: 2025-09-29
FCC ID Device Details
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-09-29 |
| 2402-2480 MHz | Original Equipment | 2025-09-29 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-03-28 | PDF 156.5 KB |
| Int photo | Internal Photos | 2026-03-28 | PDF 2 MB |
| Internal Photos | Internal Photos | 2026-03-28 | PDF 2 MB |
| Ext photo | External Photos | 2026-03-28 | PDF 1.3 MB |
| Lable | ID Label/Location Info | 2025-09-29 | PDF 1.2 MB |
| Lable and lable location | ID Label/Location Info | 2025-09-29 | PDF 1.2 MB |
| Test Setup photo | Test Setup Photos | 2026-03-28 | PDF 559 KB |
| 1812C50424312501-FCC-BT Appendix Data | Test Report | 2025-09-29 | PDF 3.5 MB |
| 1812C50424312502-FCC-BLE Appendix Data | Test Report | 2025-09-29 | PDF 5.1 MB |
| Antenna report | Test Report | 2025-09-29 | PDF 720.1 KB |
| Test Report | Test Report | 2025-09-29 | PDF 2.8 MB |
| Test Report | Test Report | 2025-09-29 | PDF 2.8 MB |
| Attestation statements | Attestation Statements | 2025-09-29 | PDF 69.3 KB |
| FCC Attestation Statements-Kaspersky | Attestation Statements | 2025-09-29 | PDF 118.5 KB |
| U.S. Agent Letter | Attestation Statements | 2025-09-29 | PDF 112.7 KB |
| Confidentiality Request | Cover Letter(s) | 2025-09-29 | PDF 68.6 KB |
| POA | Cover Letter(s) | 2025-09-29 | PDF 44 KB |
| RF exposure | RF Exposure Info | 2025-09-29 | PDF 348.1 KB |
| Block diagram Metadata only | Block Diagram | PDF 34.6 KB | |
| SCH Metadata only | Schematics | PDF 65.7 KB | |
| OP Metadata only | Operational Description | PDF 65.2 KB | |
| Operation description Metadata only | Operational Description | PDF 65.2 KB |
Application Information
| Application ID | WgV1ewIutdIljJO9fbfERA== |
|---|---|
| Final Action Date | 2025-09-29 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0027472414 |
| Model | CHE-647 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Wireless Earphones |
| Responsible Party | Wiktor Fronczak, wiktor@tra.jp |
| Test Firm | Jeff Zhu, Shenzhen Anbotek Compliance Laboratory Limited, jeff.zhu@anbotek.com |
| TCB Email | joe_chew@derycom-us.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| 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 |
|---|---|---|
| WgV1ewIutdIljJO9fbfERA== | 2025-09-29 | Original Equipment |
| PsTVJBI3zRZLRJ2npCHmTg== | 2025-09-29 | Original Equipment |
Grants
TCB Grant - Application WgV1ewIutdIljJO9fbfERA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
DERYCOM CERTIFICATION SERVICES, INC. 1100 Falcon Avenue Glencoe, MN 55336 |
Date of Grant: 09/29/2025 Application Dated: 09/29/2025 |
| TRA COMPANY LTD. |
| Osaka-shi, Chuo-ku, Kitahama-higashi 6-6 |
| Osaka, 540-0031 Japan |
| Attention: Wiktor Fronczak , |
| 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: | 2AYJ7-CHE-647 |
| Name of Grantee: | TRA COMPANY LTD. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Wireless Earphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0028 |
| Output power listed is conducted power |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application PsTVJBI3zRZLRJ2npCHmTg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
DERYCOM CERTIFICATION SERVICES, INC. 1100 Falcon Avenue Glencoe, MN 55336 |
Date of Grant: 09/29/2025 Application Dated: 09/29/2025 |
| TRA COMPANY LTD. |
| Osaka-shi, Chuo-ku, Kitahama-higashi 6-6 |
| Osaka, 540-0031 Japan |
| Attention: Wiktor Fronczak , |
| 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: | 2AYJ7-CHE-647 |
| Name of Grantee: | TRA COMPANY LTD. |
| Equipment Class: | Digital Transmission System |
| Notes: | Wireless Earphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0028 |
| Output power listed is conducted power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |