wireless headset — by Foshan Nanhai Duomoer Electronics Trading Co., Ltd.
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FCC ID 2BYAW-M57
Device Details
FCC ID 2BYAW-M57 Grantee Code 2BYAW Product Code M57 Applicant Foshan Nanhai Duomoer Electronics Trading Co., Ltd. Address No. 1304, Building 4, Rongwang Xiyuan, 6 South Grassfield Avenue, Caotai Community, Lishui Town,, Nanhai District, Foshan City, N/A, N/A, China Equipment Class DSS - Part 15 Spread Spectrum Transmitter Device Description wireless headset Application Purpose Original Equipment Grant Date 2026-09-21 Frequency Range 2402-2480 MHz Operating Frequencies
Frequency Range Application Purpose Final Action Date
2402.00000000–2480.00000000 MHz
Original Equipment
2026-09-21
Exhibits (17)
View on FCC.gov ↗
Document Type Available File
Us agent-2BYAW-M57
Attestation Statements
2026-09-21
ADOBE ACROBAT PDF 134.4 KB
USA-CoveredEquipmentLetter-Combined_V1.1
Attestation Statements
2026-09-21
ADOBE ACROBAT PDF 128.3 KB
Block diagram
Block Diagram
ADOBE ACROBAT PDF 31.9 KB
USA-ConfidentialityRequestLetter_V0.1
Cover Letter(s)
2026-09-21
ADOBE ACROBAT PDF 108.3 KB
External photo
External Photos
2026-09-21
ADOBE ACROBAT PDF 2 MB
Label and location
ID Label/Location Info
2026-09-21
ADOBE ACROBAT PDF 356.2 KB
Internal photo
Internal Photos
2026-09-21
ADOBE ACROBAT PDF 1.8 MB
Operation Description
Operational Description
ADOBE ACROBAT PDF 263.9 KB
USA-DueDigilenceLetter_V0.1
Operational Description
ADOBE ACROBAT PDF 226.3 KB
AiTDG-260914004FW2_FCC RF EXPOSURE
RF Exposure Info
2026-09-21
ADOBE ACROBAT PDF 201.6 KB
Schematic
Schematics
ADOBE ACROBAT PDF 179.2 KB
AiTDG-260914004FW1_FCC Test Report_BT BREDR
Test Report
2026-09-21
ADOBE ACROBAT PDF 538.1 KB
Antenna spec
Test Report
2026-09-21
ADOBE ACROBAT PDF 584 KB
Appendix RF test data for BT_Part1
Test Report
2026-09-21
ADOBE ACROBAT PDF 5.8 MB
Appendix RF test data for BT_Part2
Test Report
2026-09-21
ADOBE ACROBAT PDF 2.9 MB
Test Setup Photos
Test Setup Photos
2026-09-21
ADOBE ACROBAT PDF 3 MB
User manual
Users Manual
2026-09-21
ADOBE ACROBAT PDF 32.8 KB
Application Information
Application ID hcLhu602P0ELBopeTjP1Zw== Final Action Date 2026-09-21 Application Purpose Original Equipment Model M57 Frequency Range 2402-2480 MHz Equipment Class DSS - Part 15 Spread Spectrum Transmitter Device Description wireless headset Responsible Party Zemin Ma, duomoer2026@126.com, 15099979329 Non-Technical Contact Huiying Fan, GLOCERTS TECHNOLOGY INC, huiying.fan@glocerts.com, (626) 588-8039 Test Firm Coin Tang, Dongguan Yaxu (AiT) Technology Limited, info@aitek.org.cn, +86 0769-82020499 TCB Email o.kneip@kl-certification.de TCB Scope A4: UNII devices & low power transmitters using spread spectrum techniques Long-Term Confidentiality Yes Short-Term Confidentiality No 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 (1)
Application ID Date Purpose
hcLhu602P0ELBopeTjP1Zw==
2026-09-21
Original Equipment
Equipment Authorization
Frequency Output Tolerance Emission Designator Rules
2402.00000000–2480.00000000 MHz
0.0025000
15C
Grants
TCB
GRANT OF EQUIPMENT
AUTHORIZATIONTCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:
KL-Certification GmbH
Heinrich-Hertz-Allee 7
St. Ingbert, 66386
Germany
Date of Grant: 09/21/2026
Foshan Nanhai Duomoer Electronics Trading Co., Ltd.
No. 1304, Building 4, Rongwang Xiyuan, 6 South
Grassfield Avenue, Caotai Community, Lishui Town,
Nanhai District, Foshan City,
China
Attention: Zemin Ma ,
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:
2BYAW-M57
Name of Grantee:
Foshan Nanhai Duomoer Electronics Trading Co., Ltd.
Equipment Class:
Part 15 Spread Spectrum Transmitter
Notes:
wireless headset
Grant Notes
FCC Rule Parts
Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C
2402.0
-
2480.0
0.0025
Output Power listed is peak conducted.
Regulatory Testing from Start to Certificate
