FCC ID 2BOFD-EOUCH
Echo One Underwater Communication Headset
by Divevolk (Zhuhai)intelligence Tech Co.,Ltd
Grantee Code: 2BOFD Product Code: EOUCH
Latest application date: 2026-09-28
FCC ID Device Details
| FCC ID | 2BOFD-EOUCH |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BOFD |
| Product Code | EOUCH |
| Applicant Business | Divevolk (Zhuhai)intelligence Tech Co.,Ltd 🇨🇳 |
| Related Domains |  divevolk.com  fccusagent.com |
| Equipment Class | Echo One Underwater Communication Headset |
| Test Firm | Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-09-28 |
| 2402-2480 MHz | Original Equipment | 2026-09-28 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Label Sample | ID Label/Location Info | 2026-09-28 | PDF 571.2 KB |
| Label and Location Info | ID Label/Location Info | 2026-09-28 | PDF 1 MB |
| Antenna Specifications | Test Report | 2026-09-28 | PDF 584.4 KB |
| Test Report Appendix Bluetooth Classic 1 | Test Report | 2026-09-28 | PDF 4.8 MB |
| Test Report Appendix Bluetooth Classic 2 | Test Report | 2026-09-28 | PDF 4.1 MB |
| Test Report Bluetooth Classic 1 | Test Report | 2026-09-28 | PDF 3.8 MB |
| Test Report Bluetooth Classic 2 | Test Report | 2026-09-28 | PDF 2.9 MB |
| Test Report Bluetooth LE | Test Report | 2026-09-28 | PDF 4.5 MB |
| Test Report Bluetooth LE Appendix | Test Report | 2026-09-28 | PDF 5 MB |
| Attestation Statement part 2.911(d)(7) | Attestation Statements | 2026-09-28 | PDF 135 KB |
| Attstn Stmts parts 2.911(d)(5)(i)&(ii) | Attestation Statements | 2026-09-28 | PDF 77.2 KB |
| Confidentiality Request Letter | Cover Letter(s) | 2026-09-28 | PDF 79.4 KB |
| POA | Cover Letter(s) | 2026-09-28 | PDF 56 KB |
| RF Exposure Report | RF Exposure Info | 2026-09-28 | PDF 540.5 KB |
| User Manual Metadata only | Users Manual | 2027-03-27 | PDF 3.1 MB |
| Internal Photos Metadata only | Internal Photos | 2027-03-27 | PDF 2.2 MB |
| External Photos Metadata only | External Photos | 2027-03-27 | PDF 5.6 MB |
| Test Setup Photos Metadata only | Test Setup Photos | 2027-03-27 | PDF 4.4 MB |
| Block Diagram Metadata only | Block Diagram | PDF 59.7 KB | |
| Schematics Metadata only | Schematics | PDF 155.4 KB | |
| Operational Description Metadata only | Operational Description | PDF 89.3 KB |
Application Information
| Application ID | LwWYMMTUW0SH1NkoJjdyvA== |
|---|---|
| Final Action Date | 2026-09-28 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0036838225 |
| Model | EOUCH |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Echo One Underwater Communication Headset |
| Responsible Party | Zhang Kai, kay.zhang@divevolk.com , +86 18688429899 |
| Non-Technical Contact | Tim Payne, FCC US Agent, LLC, support@fccusagent.com , 708-571-3148 |
| Test Firm | Edwin Ye, Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch, edwin.ye@bureauveritas.com  , 862087148549 |
| TCB Email | cb@industrial-ia.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 |
|---|---|---|
| LwWYMMTUW0SH1NkoJjdyvA== | 2026-09-28 | Original Equipment |
| 44+hWGluv+VgsGhZzBgwew== | 2026-09-28 | Original Equipment |
Grants
TCB Grant - Application LwWYMMTUW0SH1NkoJjdyvA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 09/28/2026 Application Dated: 09/28/2026 |
| Divevolk (Zhuhai)intelligence Tech Co.,Ltd |
| 17th Floor, Room 229, No. 91, Qinlang Road, |
| Hengqin New District, |
| Zhuhai City, China |
| Attention: Zhang Kai , Sales Director |
| 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: | 2BOFD-EOUCH |
| Name of Grantee: | Divevolk (Zhuhai)intelligence Tech Co.,Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Echo One Underwater Communication Headset |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00093 |
| Output Power listed is conducted. |
TCB Grant - Application 44+hWGluv+VgsGhZzBgwew==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 09/28/2026 Application Dated: 09/28/2026 |
| Divevolk (Zhuhai)intelligence Tech Co.,Ltd |
| 17th Floor, Room 229, No. 91, Qinlang Road, |
| Hengqin New District, |
| Zhuhai City, China |
| Attention: Zhang Kai , Sales Director |
| 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: | 2BOFD-EOUCH |
| Name of Grantee: | Divevolk (Zhuhai)intelligence Tech Co.,Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Echo One Underwater Communication Headset |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00033 |
| Output Power listed is conducted. |