1. FCC ID
  2. 2ALVK
  3. 2ALVK-HAFW5100T

FCC ID 2ALVK-HAFW5100T

Wireless Headphones

by Cosonic Intelligent Technologies Co.,Ltd.

Grantee Code: 2ALVK   Product Code: HAFW5100T
Latest application date: 2025-09-16

FCC ID Device Details

FCC ID2ALVK-HAFW5100T
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2ALVK
Product CodeHAFW5100T
Applicant BusinessCosonic Intelligent Technologies Co.,Ltd. 🇨🇳
Related Domains cosonic.net
Equipment ClassWireless Headphones
Test FirmEMTEK (Shenzhen) Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2025-09-16
2402-2480 MHzOriginal Equipment2025-09-16

Exhibits

DocumentTypeAvailableFile
Users ManualUsers Manual2026-02-14PDF 3.6 MB
Internal PhotosInternal Photos2026-02-14PDF 2.6 MB
External PhotosExternal Photos2026-02-14PDF 2.1 MB
ID Label/Location InfoID Label/Location Info2025-09-16PDF 2.5 MB
Test Setup Photos_DSSTest Setup Photos2026-02-14PDF 1.2 MB
Antenna reportTest Report2025-09-16PDF 1 MB
SAR test reportRF Exposure Info2025-09-16PDF 1 MB
SAR test report_Appendix ARF Exposure Info2025-09-16PDF 280.4 KB
SAR test report_Appendix BRF Exposure Info2025-09-16PDF 452.1 KB
SAR test report_Appendix CRF Exposure Info2025-09-16PDF 2 MB
SAR test report_Appendix DRF Exposure Info2025-09-16PDF 517.7 KB
Test Report_DSS-1Test Report2025-09-16PDF 5.8 MB
Test Report_DSS-2Test Report2025-09-16PDF 5.7 MB
Test Report_DSS-3Test Report2025-09-16PDF 1 MB
Test Report_DTSTest Report2025-09-16PDF 5.8 MB
Attestation Statements part 2.911Attestation Statements2025-09-16PDF 129.8 KB
US AgentAttestation Statements2025-09-16PDF 251.9 KB
Declaration of authorizationCover Letter(s)2025-09-16PDF 89.1 KB
Request for LT or STC confidentialityCover Letter(s)2025-09-16PDF 80 KB
Block Diagram Metadata onlyBlock DiagramPDF 563.5 KB
Schematics Metadata onlySchematicsPDF 2.6 MB
Operational Description Metadata onlyOperational DescriptionPDF 980.7 KB

Application Information

Application IDyMHZjVnajBaMEF/0OZokog==
Final Action Date2025-09-16
Application PurposeOriginal Equipment
Applicant FRN0022729867
ModelHAFW5100T
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionWireless Headphones
Responsible PartyNick Yu, nickyu@cosonic.net , 0769-86596999
Technical ContactDavid Lee, EMTEK (SHENZHEN) CO., LTD., david.lee@emtek.com.cn , 86 755 26504659
Non-Technical ContactKAI YAN, Cosonic Intelligent Technologies Co.,Ltd., nickyu@cosonic.net , 0769-86596919
Test FirmLisa Wang, EMTEK (Shenzhen) Co., Ltd., wangli@emtek.com.cn , 8675526954280
TCB Emaildl_radio-certification@kiwa.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
yMHZjVnajBaMEF/0OZokog==2025-09-16Original Equipment
B6+RXpMw22fOLalYoVUSVg==2025-09-16Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.02815C
2402-2480 MHz0.002615C

Grants

TCB Grant - Application yMHZjVnajBaMEF/0OZokog==

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

  Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands 		Date of Grant: 09/16/2025

Application Dated: 08/18/2025
Cosonic Intelligent Technologies Co.,Ltd.
NO.3 Keyuan Road, Songshan Lake District,
Dongguan, Guangdong, 523808
China
 
Attention: Nick Yu ,

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:  2ALVK-HAFW5100T
Name of Grantee:  Cosonic Intelligent Technologies Co.,Ltd.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Wireless Headphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.028  

Power Output is conducted. SAR compliance for body worn operating conditions is limited to the specific configuration tested for this filing. The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. End users must be provided with specific operating instructions for satisfying RF exposure compliance. The highest reported SAR values for head are 0.350 (1g W/Kg).

TCB Grant - Application B6+RXpMw22fOLalYoVUSVg==

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

  Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands 		Date of Grant: 09/16/2025

Application Dated: 08/18/2025
Cosonic Intelligent Technologies Co.,Ltd.
NO.3 Keyuan Road, Songshan Lake District,
Dongguan, Guangdong, 523808
China
 
Attention: Nick Yu ,

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:  2ALVK-HAFW5100T
Name of Grantee:  Cosonic Intelligent Technologies Co.,Ltd.
Equipment Class: Digital Transmission System
Notes: Wireless Headphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0026  

Power Output is conducted. SAR compliance for body worn operating conditions is limited to the specific configuration tested for this filing. The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. End users must be provided with specific operating instructions for satisfying RF exposure compliance. The highest reported SAR values for head are 0.350 (1g W/Kg).