FCC ID 2AVJ8-CB3721B
CONTROL BOX
by DewertOkin Technology Group Co., Ltd.
Grantee Code: 2AVJ8 Product Code: CB3721B
Latest application date: 2026-08-05
FCC ID Device Details
| FCC ID | 2AVJ8-CB3721B |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AVJ8 |
| Product Code | CB3721B |
| Applicant Business | DewertOkin Technology Group Co., Ltd. 🇨🇳 |
| Related Domains |  dewertokin.com  baihetiansolutions.com |
| Equipment Class | CONTROL BOX |
| Test Firm | Eurofins Electrical Testing Service (Shenzhen) Co. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-08-05 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2026-08-05 | PDF 430.1 KB |
| Internal Photos | Internal Photos | 2026-08-05 | PDF 570.2 KB |
| External Photos | External Photos | 2026-08-05 | PDF 642 KB |
| ID Label/Location Info | ID Label/Location Info | 2026-08-05 | PDF 90.9 KB |
| Test Setup Photos | Test Setup Photos | 2026-08-05 | PDF 300.9 KB |
| ANT Test Report | Test Report | 2026-08-05 | PDF 926 KB |
| Test Report 1 | Test Report | 2026-08-05 | PDF 4.9 MB |
| Test Report 2 | Test Report | 2026-08-05 | PDF 3.2 MB |
| Test Report 3 | Test Report | 2026-08-05 | PDF 751.5 KB |
| Attestation Statements | Attestation Statements | 2026-08-05 | PDF 272.2 KB |
| US agent | Attestation Statements | 2026-08-05 | PDF 155.3 KB |
| Agent Authorization | Cover Letter(s) | 2026-08-05 | PDF 124.2 KB |
| Long term Confidentiality Letter | Cover Letter(s) | 2026-08-05 | PDF 35.3 KB |
| RF Exposure Info | RF Exposure Info | 2026-08-05 | PDF 325.4 KB |
| Block Diagram Metadata only | Block Diagram | PDF 70 KB | |
| Schematics Metadata only | Schematics | PDF 2 MB | |
| Operational Description Metadata only | Operational Description | PDF 82.5 KB |
Application Information
| Application ID | TSX+5a0YRkA53Lknc+OlxQ== |
|---|---|
| Final Action Date | 2026-08-05 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0029099231 |
| Model | CB3721B |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | CONTROL BOX |
| Responsible Party | Mia Ye, mia.ye@dewertokin.com , +86-573-82281072 |
| Non-Technical Contact | Kenneth Young, Baihetian Innovative Solutions, ken.young@baihetiansolutions.com , 313-395-3113 |
| Test Firm | Lynn Su, Eurofins Electrical Testing Service (Shenzhen) Co., Lynn.su@cpt.eurofinscn.com  , +86-755-82911867 |
| 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 | 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 |
|---|---|---|
| TSX+5a0YRkA53Lknc+OlxQ== | 2026-08-05 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0017 | 15C |
Grants
TCB Grant - Application TSX+5a0YRkA53Lknc+OlxQ==
| 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: 08/05/2026 Application Dated: 08/05/2026 |
| DewertOkin Technology Group Co., Ltd. |
| No.1507, Taoyuan Road, Gaozhao Street, Xiuzhou |
| District, Jiaxing City, Zhejiang Province, China. |
| Xiuzhou District,Jiaxing City, Zhejiang Province, China |
| Attention: Mia Ye , 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: | 2AVJ8-CB3721B |
| Name of Grantee: | DewertOkin Technology Group Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | CONTROL BOX |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0017 |
| Output power listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. |