1. FCC ID
  2. BV2
  3. BV2-AH-C840NCW

FCC ID BV2-AH-C840NCW

TRUE WIRELESS IN-EAR HEADPHONES

by D&M; Holdings Inc.

Grantee Code: BV2   Product Code: AHC840NCW
Latest application date: 2024-12-17

FCC ID Device Details

FCC IDBV2-AH-C840NCW
Mirrorsfcc.id | gov | fccid.ai
Grantee CodeBV2
Product CodeAHC840NCW
Applicant BusinessD&M; Holdings Inc. 🇯🇵
Related Domains dmh-global.com
Equipment ClassTRUE WIRELESS IN-EAR HEADPHONES
Test FirmEST Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2024-12-17
2402-2480 MHzOriginal Equipment2024-12-17

Exhibits

DocumentTypeAvailableFile
User manualUsers Manual2024-12-17PDF 3.1 MB
Internal photosInternal Photos2024-12-17PDF 2 MB
External photosExternal Photos2024-12-17PDF 2.1 MB
LabelID Label/Location Info2024-12-17PDF 74.6 KB
Test setupTest Setup Photos2024-12-17PDF 261.2 KB
Antenna specificationTest Report2024-12-17PDF 740.8 KB
SAR test report part 1RF Exposure Info2024-12-17PDF 1.6 MB
SAR test report part 10RF Exposure Info2024-12-17PDF 2.2 MB
SAR test report part 11RF Exposure Info2024-12-17PDF 1.4 MB
SAR test report part 12RF Exposure Info2024-12-17PDF 4.3 MB
SAR test report part 2RF Exposure Info2024-12-17PDF 418.6 KB
SAR test report part 3RF Exposure Info2024-12-17PDF 370.4 KB
SAR test report part 4RF Exposure Info2024-12-17PDF 392.6 KB
SAR test report part 5RF Exposure Info2024-12-17PDF 181 KB
SAR test report part 6RF Exposure Info2024-12-17PDF 5.3 MB
SAR test report part 7RF Exposure Info2024-12-17PDF 5.2 MB
SAR test report part 8RF Exposure Info2024-12-17PDF 4.3 MB
SAR test report part 9RF Exposure Info2024-12-17PDF 4.2 MB
Test reportTest Report2024-12-17PDF 5.8 MB
Test report part 1Test Report2024-12-17PDF 3.7 MB
Test report part 2Test Report2024-12-17PDF 4.6 MB
Covered equipment list attestationAttestation Statements2024-12-17PDF 71.5 KB
US agent attestationAttestation Statements2024-12-17PDF 99.3 KB
Agent letterCover Letter(s)2024-12-17PDF 104.1 KB
Agent letterCover Letter(s)2024-12-17PDF 45.1 KB
Confidentiality request letterCover Letter(s)2024-12-17PDF 53.4 KB
Cover letterCover Letter(s)2024-12-17PDF 79.5 KB
Block Diagram Metadata onlyBlock DiagramPDF 22.6 KB
Schematics Metadata onlySchematicsPDF 135.2 KB
Operational Description Metadata onlyOperational DescriptionPDF 212.4 KB

Application Information

Application IDjhBetMPTL1BvYR/jQOV71w==
Final Action Date2024-12-17
Application PurposeOriginal Equipment
Applicant FRN0021869714
ModelAH-C840NCW
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionTRUE WIRELESS IN-EAR HEADPHONES
Responsible PartyAkihiro Yoshida, Professional, akihiro.yoshida@dmh-global.com , +81-44-670-2665
Test FirmIceman Hu, EST Technology Co., Ltd., iceman.hu@gdest.cn , +86 0769-83081888
TCB Emaildarial@compliancetesting.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
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. The highest reported SAR for stand-alone transmission exposure conditions is 0.25 W/kg.

Applications

Application IDDatePurpose
jhBetMPTL1BvYR/jQOV71w==2024-12-17Original Equipment
JYWrs4kBskoQZde0K0Feeg==2024-12-17Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.004909115C
2402-2480 MHz0.004897815C

Grants

TCB Grant - Application JYWrs4kBskoQZde0K0Feeg==

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

  Compliance Testing, LLC
1724 S. Nevada Way
Mesa, AZ 85204
 Date of Grant: 12/17/2024

Application Dated: 12/16/2024
D&M Holdings Inc.
2-1 Nisshin-cho, Kawasaki-ku
Kawasaki, 210-8569
Japan
 
Attention: Akihiro Yoshida , Professional

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:  BV2-AH-C840NCW
Name of Grantee:  D&M Holdings Inc.
Equipment Class: Digital Transmission System
Notes: TRUE WIRELESS IN-EAR HEADPHONES
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0048978  

Output power listed is conducted. The highest reported SAR for stand-alone transmission exposure conditions is 0.25 W/kg.

EAS Grant - Application JYWrs4kBskoQZde0K0Feeg==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

D&M Holdings Inc.
2-1 Nisshin-cho, Kawasaki-ku
Kawasaki, 210-8569
Japan 		  Date of Grant: 12/17/2024

Application Dated: 12/16/2024
 
Attention: Akihiro Yoshida , Professional

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:  BV2-AH-C840NCW
Name of Grantee:  D&M Holdings Inc.
Equipment Class: Digital Transmission System
Notes: TRUE WIRELESS IN-EAR HEADPHONES
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0048978  

Output power listed is conducted. The highest reported SAR for stand-alone transmission exposure conditions is 0.25 W/kg.



TCB Grant - Application jhBetMPTL1BvYR/jQOV71w==

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

  Compliance Testing, LLC
1724 S. Nevada Way
Mesa, AZ 85204
 Date of Grant: 12/17/2024

Application Dated: 12/16/2024
D&M Holdings Inc.
2-1 Nisshin-cho, Kawasaki-ku
Kawasaki, 210-8569
Japan
 
Attention: Akihiro Yoshida , Professional

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:  BV2-AH-C840NCW
Name of Grantee:  D&M Holdings Inc.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: TRUE WIRELESS IN-EAR HEADPHONES
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0049091  

Output power listed is conducted. The highest reported SAR for stand-alone transmission exposure conditions is 0.25 W/kg.

EAS Grant - Application jhBetMPTL1BvYR/jQOV71w==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

D&M Holdings Inc.
2-1 Nisshin-cho, Kawasaki-ku
Kawasaki, 210-8569
Japan 		  Date of Grant: 12/17/2024

Application Dated: 12/16/2024
 
Attention: Akihiro Yoshida , Professional

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:  BV2-AH-C840NCW
Name of Grantee:  D&M Holdings Inc.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: TRUE WIRELESS IN-EAR HEADPHONES
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0049091  

Output power listed is conducted. The highest reported SAR for stand-alone transmission exposure conditions is 0.25 W/kg.



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