1. FCC ID
  2. 2BBP3
  3. 2BBP3-DBR4

FCC ID 2BBP3-DBR4

DBR4

by Shenzhen Radiomaster Co.,Ltd

Grantee Code: 2BBP3   Product Code: DBR4
Latest application date: 2025-07-24

FCC ID Device Details

FCC ID2BBP3-DBR4
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BBP3
Product CodeDBR4
Applicant BusinessShenzhen Radiomaster Co.,Ltd 🇨🇳
Related Domains radiomasterrc.com
Equipment ClassDBR4
Test FirmShenzhen Anbotek Compliance Laboratory Limited

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
903.5-926.9 MHzOriginal Equipment2025-07-24
2412-2462 MHzOriginal Equipment2025-07-24

Exhibits

DocumentTypeAvailableFile
User ManuaUsers Manual2026-01-21PDF 527.4 KB
User manualUsers Manual2026-01-21PDF 527.4 KB
Interal photoraphInternal Photos2026-01-21PDF 1.7 MB
Internal PhotosInternal Photos2026-01-21PDF 1.7 MB
External PhotoSExternal Photos2026-01-21PDF 1.3 MB
External photosExternal Photos2026-01-21PDF 1.3 MB
LABELID Label/Location Info2025-07-24PDF 312.1 KB
Test Setup PhotographTest Setup Photos2026-01-21PDF 472.7 KB
Test Setup PhotosTest Setup Photos2026-01-21PDF 472.7 KB
Antenna report-2.4GTest Report2025-07-24PDF 1,016.3 KB
Antenna report-800-900MTest Report2025-07-24PDF 817.6 KB
Antenna report-BT+WIFITest Report2025-07-24PDF 506.2 KB
FCC ID-RF-Report 2.4GTest Report2025-07-24PDF 1.4 MB
FCC ID-RF-Report BDR+EDRTest Report2025-07-24PDF 1.3 MB
FCC ID-RF-Report Wi-Fi 2.4GTest Report2025-07-24PDF 759.9 KB
FCC-2.4G-ANT1 Appendix Test DataTest Report2025-07-24PDF 2.9 MB
FCC-2.4G-ANT2 Appendix Test DataTest Report2025-07-24PDF 2.9 MB
FCC-BT Appendix Test DataTest Report2025-07-24PDF 4.3 MB
FCC-ID-RF-Report-Lora-902-928MHzTest Report2025-07-24PDF 5.3 MB
FCC-WLAN Appendix Test DataTest Report2025-07-24PDF 4.4 MB
2.911_(d)(5)(i) (ii)Certification Equipment Type v1.2Attestation Statements2025-07-24PDF 69.3 KB
Attestation_Statements_Kaspersky_Rev 1.0Attestation Statements2025-07-24PDF 119.3 KB
U.S. Agent Letter of Attestation _Rev1.0Attestation Statements2025-07-24PDF 229.7 KB
US Agent letterAttestation Statements2025-07-24PDF 229.7 KB
FCC Short & Long Term Confidentiality Request Rev4.1Cover Letter(s)2025-07-24PDF 69 KB
FCC-Confidentiality-Request_Rev1.1Cover Letter(s)2025-07-24PDF 69 KB
FCC-POA_Rev1.0Cover Letter(s)2025-07-24PDF 45.3 KB
MPERF Exposure Info2025-07-24PDF 317.4 KB
BLOCK DIAGRAM Metadata onlyBlock DiagramPDF 250.9 KB
Block Diagram Metadata onlyBlock DiagramPDF 250.9 KB
SCH Metadata onlySchematicsPDF 123.4 KB
OP Metadata onlyOperational DescriptionPDF 92.3 KB

Application Information

Application IDumS8w/YFVfLpPbMP2Pw7pw==
Final Action Date2025-07-24
Application PurposeOriginal Equipment
Applicant FRN0033900978
ModelDBR4
Frequency Range903.5-926.9 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionDBR4
Responsible PartyOwen Lee, General Manager, sales@radiomasterrc.com , 18601573500
Technical ContactShenzhen Radiomaster Co.,Ltd, sales@radiomasterrc.com
Test FirmJeff Zhu, Shenzhen Anbotek Compliance Laboratory Limited, jeff.zhu@anbotek.com , 86-12798230942
TCB Emailjoe_chew@derycom-us.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Short-Term Confidentiality Date01/21/2026
Long-Term ConfidentialityYes
Grant DeferralNo
Modular EquipmentDoes not apply
Composite DeviceYes
Composite PartNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo
Grant CommentsOutput power listed is conducted power. The antennas used with this transmitter must be installed to provide a minimum 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. End-users must be provided with operating procedures for satisfying RF exposure compliance.

Applications

Application IDDatePurpose
umS8w/YFVfLpPbMP2Pw7pw==2025-07-24Original Equipment
eL3XSuHwQXLPrWi18iR6cA==2025-07-24Original Equipment

Equipment Authorization

FrequencyOutputGrant Notes
903.5-926.9 MHz0.1924CC
2402-2480 MHz0.0025CC
2402.4-2479.4 MHz0.1067CC
2412-2462 MHz0.0372000CC

Grants

TCB Grant - Application umS8w/YFVfLpPbMP2Pw7pw==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  DERYCOM CERTIFICATION SERVICES, INC.
1100 Falcon Avenue
Glencoe, MN 55336
Date of Grant: 07/24/2025

Application Dated: 07/24/2025
Shenzhen Radiomaster Co.,Ltd
4F Yangtian Building,
Xin'an Street, Bao'an District
Shenzhen,Guangdong, 518101
China
 
Attention: Owen Lee , General 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:  2BBP3-DBR4
Name of Grantee:  Shenzhen Radiomaster Co.,Ltd
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: DBR4
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.0025  
CC 15C 2402.4  -  2479.4 0.1067  
CC 15C 903.5  -  926.9 0.1924  

Output power listed is conducted power. The antennas used with this transmitter must be installed to provide a minimum 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. End-users must be provided with operating procedures for satisfying RF exposure compliance.

CC: This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application eL3XSuHwQXLPrWi18iR6cA==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  DERYCOM CERTIFICATION SERVICES, INC.
1100 Falcon Avenue
Glencoe, MN 55336
Date of Grant: 07/24/2025

Application Dated: 07/24/2025
Shenzhen Radiomaster Co.,Ltd
4F Yangtian Building,
Xin'an Street, Bao'an District
Shenzhen,Guangdong, 518101
China
 
Attention: Owen Lee , General 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:  2BBP3-DBR4
Name of Grantee:  Shenzhen Radiomaster Co.,Ltd
Equipment Class: Digital Transmission System
Notes: DBR4
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2412.0  -  2462.0 0.0372  

Output power listed is conducted power. This device contains 20 and 40 MHz signal bandwidth. The antenna used with this transmitter must be installed to provide a minimum 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. End-users must be provided with operating procedures for satisfying RF exposure compliance.

CC: This device is certified pursuant to two different Part 15 rules sections.