1. FCC ID
  2. 2AVJ8
  3. 2AVJ8-CB3721EU

FCC ID 2AVJ8-CB3721EU

CONTROL BOX

by DewertOkin Technology Group Co., Ltd.

Grantee Code: 2AVJ8   Product Code: CB3721EU
Latest application date: 2026-08-04

FCC ID Device Details

FCC ID2AVJ8-CB3721EU
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AVJ8
Product CodeCB3721EU
Applicant BusinessDewertOkin Technology Group Co., Ltd. 🇨🇳
Related Domains dewertokin.com baihetiansolutions.com
Equipment ClassCONTROL BOX
Test FirmEurofins Electrical Testing Service (Shenzhen) Co.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-08-04

Exhibits

DocumentTypeAvailableFile
Users ManualUsers Manual2026-08-04PDF 430.4 KB
Internal PhotosInternal Photos2026-08-04PDF 490.7 KB
External PhotosExternal Photos2026-08-04PDF 581.4 KB
ID Label/Location InfoID Label/Location Info2026-08-04PDF 126.9 KB
Test Setup PhotosTest Setup Photos2026-08-04PDF 295.6 KB
ANT Test ReportTest Report2026-08-04PDF 926 KB
Test Report 1Test Report2026-08-04PDF 4.9 MB
Test Report 2Test Report2026-08-04PDF 3.2 MB
Test Report 3Test Report2026-08-04PDF 699.7 KB
Attestation StatementsAttestation Statements2026-08-04PDF 273.2 KB
US agentAttestation Statements2026-08-04PDF 159.7 KB
Agent AuthorizationCover Letter(s)2026-08-04PDF 124.2 KB
Long term Confidentiality LetterCover Letter(s)2026-08-04PDF 113.4 KB
RF Exposure InfoRF Exposure Info2026-08-04PDF 325.7 KB
Block Diagram Metadata onlyBlock DiagramPDF 70 KB
Schematics Metadata onlySchematicsPDF 2 MB
Operational Description Metadata onlyOperational DescriptionPDF 82.5 KB

Application Information

Application IDuIhQnlEzIgf0v2gPMewI2A==
Final Action Date2026-08-04
Application PurposeOriginal Equipment
Applicant FRN0029099231
ModelCB3721EU
Frequency Range2402-2480 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionCONTROL BOX
Responsible PartyMia Ye, mia.ye@dewertokin.com , +86-573-82281072
Non-Technical ContactKenneth Young, Baihetian Innovative Solutions, ken.young@baihetiansolutions.com , 313-395-3113
Test FirmLynn Su, Eurofins Electrical Testing Service (Shenzhen) Co., Lynn.su@cpt.eurofinscn.com , +86-755-82911867
TCB Emailtcb@metlabs.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
uIhQnlEzIgf0v2gPMewI2A==2026-08-04Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.001415C

Grants

TCB Grant - Application uIhQnlEzIgf0v2gPMewI2A==

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: 08/04/2026

Application Dated: 08/04/2026
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-CB3721EU
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 0.0014  

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.