FCC ID 2AVJ8-CB3722B
Control Box
by DewertOkin Technology Group Co., Ltd.
Grantee Code: 2AVJ8 Product Code: CB3722B
Latest application date: 2026-01-30
FCC ID Device Details
| FCC ID | 2AVJ8-CB3722B |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AVJ8 |
| Product Code | CB3722B |
| Applicant Business | DewertOkin Technology Group Co., Ltd. 🇨🇳 |
| Related Domains |  dewertokin.com |
| Equipment Class | Control Box |
| Test Firm | EST Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-01-30 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-07-27 | PDF 431.5 KB |
| Internal Photos | Internal Photos | 2026-07-27 | PDF 459.5 KB |
| External Photos | External Photos | 2026-07-27 | PDF 712 KB |
| Product Label and Location | ID Label/Location Info | 2026-01-30 | PDF 175.8 KB |
| Test Setup Photos | Test Setup Photos | 2026-07-27 | PDF 370.1 KB |
| Antenna Gain Info | Test Report | 2026-01-30 | PDF 927.1 KB |
| Test Report_Part 1 of 2 | Test Report | 2026-01-30 | PDF 4.9 MB |
| Test Report_Part 2 of 2 | Test Report | 2026-01-30 | PDF 4.1 MB |
| Attestation of US Agent | Attestation Statements | 2026-01-30 | PDF 133.1 KB |
| Not Covered Entity Applicant Attestation | Attestation Statements | 2026-01-30 | PDF 112.1 KB |
| Not Covered Equipment Attestation | Attestation Statements | 2026-01-30 | PDF 133.7 KB |
| Agency Letter | Cover Letter(s) | 2026-01-30 | PDF 164.3 KB |
| Confidentiality Letter | Cover Letter(s) | 2026-01-30 | PDF 198.4 KB |
| RF Exposure Info | RF Exposure Info | 2026-01-30 | PDF 720.1 KB |
| Block Diagram Metadata only | Block Diagram | PDF 199 KB | |
| Schematics Metadata only | Schematics | PDF 2.6 MB | |
| Operational Description Metadata only | Operational Description | PDF 178 KB |
Application Information
| Application ID | QvukyDJMMH10IXSL6gn+qQ== |
|---|---|
| Final Action Date | 2026-01-30 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0029099231 |
| Model | CB3722B |
| 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 |
| Technical Contact | Mia Ye, DewertOKIN Technology Group Co., Ltd., mia.ye@dewertokin.com , +86-15355835730 |
| Non-Technical Contact | Wei Huang, BLOCKIOT, LLC, weihuang1979@gmail.com  |
| Test Firm | Iceman Hu, EST Technology Co., Ltd., iceman.hu@gdest.cn  , 86-0769-83081888 |
| TCB Email | tcb-hotline@tuv.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 | 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 |
|---|---|---|
| QvukyDJMMH10IXSL6gn+qQ== | 2026-01-30 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0017 | 15C |
Grants
TCB Grant - Application QvukyDJMMH10IXSL6gn+qQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
TUV Rheinland of North America, Inc. 1279 Quarry Lane Suite A Pleasanton, CA 94566 |
Date of Grant: 01/30/2026 Application Dated: 01/29/2026 |
| 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-CB3722B |
| 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 |
| Power output listed is peak conducted. The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End user must be provided with transmitter operating conditions for satisfying RF exposure compliance. |