FCC ID 2BRDE-ECHOMINI
AI Voice Recorder
by Hangzhou Humpback Whale Technology Co., Ltd.
Grantee Code: 2BRDE Product Code: ECHOMINI
Latest application date: 2025-11-19
FCC ID Device Details
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-11-19 |
| 2402-2480 MHz | Original Equipment | 2025-11-19 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2025-11-19 | PDF 167 KB |
| Internal Photos | Internal Photos | 2025-11-19 | PDF 396.3 KB |
| External Photos | External Photos | 2025-11-19 | PDF 659.3 KB |
| ID Label/Location Info | ID Label/Location Info | 2025-11-19 | PDF 67.1 KB |
| Test Setup Photos | Test Setup Photos | 2025-11-19 | PDF 330.2 KB |
| ANT Test Report | Test Report | 2025-11-19 | PDF 744.4 KB |
| Test Report 1 | Test Report | 2025-11-19 | PDF 5.4 MB |
| Test Report 1 | Test Report | 2025-11-19 | PDF 6 MB |
| Test Report 2 | Test Report | 2025-11-19 | PDF 5.6 MB |
| Test Report 2 | Test Report | 2025-11-19 | PDF 645.2 KB |
| Test Report 3 | Test Report | 2025-11-19 | PDF 782.7 KB |
| Test Report 4 | Test Report | 2025-11-19 | PDF 645.6 KB |
| Attestation Statements | Attestation Statements | 2025-11-19 | PDF 118.4 KB |
| US agent | Attestation Statements | 2025-11-19 | PDF 202.6 KB |
| Agent Authorization | Cover Letter(s) | 2025-11-19 | PDF 564.3 KB |
| Long term Confidentiality Letter | Cover Letter(s) | 2025-11-19 | PDF 657.8 KB |
| RF Exposure Info | RF Exposure Info | 2025-11-19 | PDF 133.5 KB |
| Block Diagram Metadata only | Block Diagram | PDF 50 KB | |
| Schematics Metadata only | Schematics | PDF 124.7 KB | |
| Operational Description Metadata only | Operational Description | PDF 104.1 KB |
Application Information
| Application ID | p4j9KWxyhOQEcV7RXZiFrQ== |
|---|---|
| Final Action Date | 2025-11-19 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037340775 |
| Model | ECHOMINI |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | AI Voice Recorder |
| Responsible Party | Ying Zeng, yingzeng@whale.im |
| Technical Contact | Ying Zeng, Hangzhou Humpback Whale Technology Co., Ltd., yingzeng@whale.im |
| Test Firm | Lynn Su, Eurofins Electrical Testing Service (Shenzhen) Co., Lynn.su@cpt.eurofinscn.com |
| TCB Email | tcb@metlabs.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 | 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 |
|---|---|---|
| p4j9KWxyhOQEcV7RXZiFrQ== | 2025-11-19 | Original Equipment |
| WMvuRaoF1Yr4NvV+6EOfEg== | 2025-11-19 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application WMvuRaoF1Yr4NvV+6EOfEg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 11/19/2025 Application Dated: 11/19/2025 |
| Hangzhou Humpback Whale Technology Co., Ltd. |
| Room 901,Building No.4,666 2nd Jianshe Rd,Xiaoshan |
| Economic Technological Development Zone,Hangzhou |
| Hangzhou, China |
| Attention: Ying Zeng , |
| 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: | 2BRDE-ECHOMINI |
| Name of Grantee: | Hangzhou Humpback Whale Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | AI Voice Recorder |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.002517 |
| Output Power listed is conducted. This device has 1 MHz and 2 MHz bandwidth modes. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application p4j9KWxyhOQEcV7RXZiFrQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 11/19/2025 Application Dated: 11/19/2025 |
| Hangzhou Humpback Whale Technology Co., Ltd. |
| Room 901,Building No.4,666 2nd Jianshe Rd,Xiaoshan |
| Economic Technological Development Zone,Hangzhou |
| Hangzhou, China |
| Attention: Ying Zeng , |
| 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: | 2BRDE-ECHOMINI |
| Name of Grantee: | Hangzhou Humpback Whale Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | AI Voice Recorder |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.002588 |
| Output Power listed is conducted. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |