FCC ID 2BDNA-TNM4-ELE
ThinkNode-M4
by Shenzhen Elecrow Limited
Grantee Code: 2BDNA Product Code: TNM4ELE
Latest application date: 2025-11-27
FCC ID Device Details
| FCC ID | 2BDNA-TNM4-ELE |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BDNA |
| Product Code | TNM4ELE |
| Applicant Business | Shenzhen Elecrow Limited 🇨🇳 |
| Related Domains |  elecrow.com |
| Equipment Class | ThinkNode-M4 |
| Test Firm | Shenzhen CTB Testing Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 0.11-0.205 MHz | Original Equipment | 2025-11-27 |
| 2402-2480 MHz | Original Equipment | 2025-11-27 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2026-05-26 | PDF 5.6 MB |
| Internal Photos | Internal Photos | 2026-05-26 | PDF 1.8 MB |
| External Photos | External Photos | 2025-11-27 | PDF 532.7 KB |
| ID Label/Location Info | ID Label/Location Info | 2025-11-27 | PDF 1.8 MB |
| Test Setup Photos | Test Setup Photos | 2025-11-27 | PDF 368.6 KB |
| Test Setup Photos | Test Setup Photos | 2025-11-27 | PDF 146 KB |
| ANT Test Report | Test Report | 2025-11-27 | PDF 1.7 MB |
| ANT Test Report | Test Report | 2025-11-27 | PDF 265.7 KB |
| Test Report | Test Report | 2025-11-27 | PDF 2.7 MB |
| Test Report1 | Test Report | 2025-11-27 | PDF 1.6 MB |
| Test Report2 | Test Report | 2025-11-27 | PDF 2.7 MB |
| Attestation Statements | Attestation Statements | 2025-11-27 | PDF 73.8 KB |
| US agent | Attestation Statements | 2025-11-27 | PDF 319.4 KB |
| Agent Authorization | Cover Letter(s) | 2025-11-27 | PDF 26.6 KB |
| Long & short term Confidentiality Letter | Cover Letter(s) | 2025-11-27 | PDF 138.8 KB |
| Model Difference | Cover Letter(s) | 2025-11-27 | PDF 181.9 KB |
| RF Exposure Info | RF Exposure Info | 2025-11-27 | PDF 78.7 KB |
| RF Exposure Info | RF Exposure Info | 2025-11-27 | PDF 1.5 MB |
| Block Diagram Metadata only | Block Diagram | PDF 109.3 KB | |
| Schematics Metadata only | Schematics | PDF 398.9 KB | |
| Operational Description Metadata only | Operational Description | PDF 262.6 KB |
Application Information
| Application ID | ocbXN5YX4Plk2rPsnd1UBA== |
|---|---|
| Final Action Date | 2025-11-27 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0034499137 |
| Model | TNM4-ELE |
| Frequency Range | 0.11-0.205 MHz |
| Equipment Class | DCD - Part 15 Low Power Transmitter Below 1705 kHz |
| Device Description | ThinkNode-M4 |
| Responsible Party | Lihua Zhu, david@elecrow.com , 13538214502 |
| Technical Contact | Lihua Zhu, Shenzhen Elecrow Limited, david@elecrow.com , 13538214502 |
| Test Firm | Rita Xiao, Shenzhen CTB Testing Technology Co., Ltd., simon@ctb-lab.com  , 86-13538218145 |
| TCB Email | tcb@metlabs.com  |
| TCB Scope | A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices |
| 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 |
|---|---|---|
| ocbXN5YX4Plk2rPsnd1UBA== | 2025-11-27 | Original Equipment |
| MDebRZSRPNIiPHddUUScrg== | 2025-11-27 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application ocbXN5YX4Plk2rPsnd1UBA==
| 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: 11/27/2025 Application Dated: 11/27/2025 |
| Shenzhen Elecrow Limited |
| Elecrow, 5th Floor, Fengze Building B, |
| Nanchang Huafeng Industrial Park, Hangcheng Street |
| Hangkong Road,Baoan District, Shenzhen city, China |
| Attention: Lihua Zhu , |
| 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: | 2BDNA-TNM4-ELE |
| Name of Grantee: | Shenzhen Elecrow Limited |
| Equipment Class: | Part 15 Low Power Transmitter Below 1705 kHz |
| Notes: | ThinkNode-M4 |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 0.11 - 0.205 |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application MDebRZSRPNIiPHddUUScrg==
| 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: 11/27/2025 Application Dated: 11/27/2025 |
| Shenzhen Elecrow Limited |
| Elecrow, 5th Floor, Fengze Building B, |
| Nanchang Huafeng Industrial Park, Hangcheng Street |
| Hangkong Road,Baoan District, Shenzhen city, China |
| Attention: Lihua Zhu , |
| 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: | 2BDNA-TNM4-ELE |
| Name of Grantee: | Shenzhen Elecrow Limited |
| Equipment Class: | Digital Transmission System |
| Notes: | ThinkNode-M4 |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.00214 | ||
| CC | 15C | 915.0 - 915.0 | 0.00306 |
| Output power listed is conducted. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |