1. FCC ID
  2. 2AHFT
  3. 2AHFT884

FCC ID 2AHFT884

Smart Watch

by Shenzhen DO Intelligent Technology Co., Ltd.

Grantee Code: 2AHFT   Product Code: 884
Latest application date: 2026-07-30

FCC ID Device Details

FCC ID2AHFT884
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AHFT
Product Code884
Applicant BusinessShenzhen DO Intelligent Technology Co., Ltd. 🇨🇳
Related Domains youduoyun.com bridgeportadv.com
Equipment ClassSmart Watch
Test FirmShenzhen Huaxia Testing Technology Co., Ltd

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzClass II permissive change or modification of presently authorized equipment2026-07-30
2402-2480 MHzClass II permissive change or modification of presently authorized equipment2026-07-30
2402-2480 MHzOriginal Equipment2025-12-26
2402-2480 MHzOriginal Equipment2025-12-26

Exhibits

DocumentTypeAvailableFile
Users ManualUsers Manual2025-12-26PDF 1.2 MB
Internal photosInternal Photos2026-07-30PDF 5.4 MB
Internal PhotosInternal Photos2025-12-26PDF 2.3 MB
External PhotosExternal Photos2025-12-26PDF 4 MB
ID Label/Location InfoID Label/Location Info2025-12-26PDF 555 KB
Test setup photosTest Setup Photos2026-07-30PDF 674.8 KB
Test setup photos SARTest Setup Photos2026-07-30PDF 1.4 MB
Test Setup PhotosTest Setup Photos2025-12-26PDF 1.4 MB
Test Setup PhotosTest Setup Photos2025-12-26PDF 2.3 MB
Test Setup Photos2Test Setup Photos2025-12-26PDF 2.3 MB
Test Report BTTest Report2026-07-30PDF 1.4 MB
Test Report BT LETest Report2026-07-30PDF 4.4 MB
ANT Test ReportTest Report2025-12-26PDF 594.7 KB
Test ReportTest Report2025-12-26PDF 3.5 MB
Test ReportTest Report2025-12-26PDF 2.5 MB
Agent attestation letterAttestation Statements2026-07-30PDF 381.5 KB
Covered equipment letterAttestation Statements2026-07-30PDF 257.5 KB
Due digilence letterAttestation Statements2026-07-30PDF 261.5 KB
Attestation StatementsAttestation Statements2025-12-26PDF 109.6 KB
US agentAttestation Statements2025-12-26PDF 381.5 KB
C2PC requet letterCover Letter(s)2026-07-30PDF 131.5 KB
Judgement letterCover Letter(s)2026-07-30PDF 248.3 KB
Agent AuthorizationCover Letter(s)2025-12-26PDF 89.9 KB
Long term Confidentiality LetterCover Letter(s)2025-12-26PDF 90.8 KB
SAR ReportRF Exposure Info2026-07-30PDF 5.1 MB
RF Exposure InfoRF Exposure Info2025-12-26PDF 5.1 MB
Block Diagram Metadata onlyBlock DiagramPDF 159.7 KB
Schematics Metadata onlySchematicsPDF 449 KB
Operational Description Metadata onlyOperational DescriptionPDF 97 KB

Application Information

Application IDknCWsk8d0s25mUAKYMI3qQ==
Final Action Date2026-07-30
Application PurposeClass II permissive change or modification of presently authorized equipment
Applicant FRN0025289893
Model884
Frequency Range2402-2480 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionSmart Watch
Responsible PartyWu Dajun, wudj@youduoyun.com , 4006-123-55
Non-Technical ContactYong Liu, Bridgeport Advisory LLC, yliu@bridgeportadv.com , (708)680-6688
Test FirmJack Ai, Shenzhen Huaxia Testing Technology Co., Ltd, szcqa@cqa-cert.com , +8613902988375
TCB Emailo.kneip@kl-certification.de
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
Long-Term ConfidentialityNo
Modular EquipmentDoes not apply
Composite DeviceYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
knCWsk8d0s25mUAKYMI3qQ==2026-07-30Class II permissive change or modification of presently authorized equipment
W/YEpQ/DHORXG8oeCmVSUg==2026-07-30Class II permissive change or modification of presently authorized equipment
kaatt691b/jxCjzDVmeIdA==2025-12-26Original Equipment
V8bXQhqvXc5MoXLOYqKkrQ==2025-12-26Original Equipment

Equipment Authorization

FrequencyOutputRulesGrant Notes
2402-2480 MHz0.015315C
2402-2480 MHz0.015315CCC
2402-2480 MHz0.007115C
2402-2480 MHz0.007115CCC

Grants

TCB Grant - Application W/YEpQ/DHORXG8oeCmVSUg==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
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: 07/30/2026

Application Dated: 07/30/2026
Shenzhen DO Intelligent Technology Co., Ltd.
11th Floor, 3# Building, Guole Tech Park,
Lirong Road, Dalang, Longhua District,
Shenzhen,
China
 
Attention: Wu Dajun ,

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:  2AHFT884
Name of Grantee:  Shenzhen DO Intelligent Technology Co., Ltd.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Smart Watch
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0153  

C2PC as hardware minor change. Power listed is maximum peak conducted output power. Highest reported SAR for Head (front of face 5mm) and extremity (wrist-worn 10g SAR) are 0.01W/kg, 0.02W/kg respectively.

TCB Grant - Application V8bXQhqvXc5MoXLOYqKkrQ==

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: 12/26/2025

Application Dated: 12/26/2025
Shenzhen DO Intelligent Technology Co., Ltd.
11th Floor, 3# Building, Guole Tech Park,
Lirong Road, Dalang, Longhua District,
Shenzhen,
China
 
Attention: Wu Dajun ,

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:  2AHFT884
Name of Grantee:  Shenzhen DO Intelligent Technology Co., Ltd.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Smart Watch
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.0153  

Output Power listed is conducted. Highest reported SAR for Head (front of face 5mm) and extremity (wrist-worn 10g SAR) are 0.01W/kg, 0.02W/kg respectively.

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

TCB Grant - Application knCWsk8d0s25mUAKYMI3qQ==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
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: 07/30/2026

Application Dated: 07/30/2026
Shenzhen DO Intelligent Technology Co., Ltd.
11th Floor, 3# Building, Guole Tech Park,
Lirong Road, Dalang, Longhua District,
Shenzhen,
China
 
Attention: Wu Dajun ,

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:  2AHFT884
Name of Grantee:  Shenzhen DO Intelligent Technology Co., Ltd.
Equipment Class: Digital Transmission System
Notes: Smart Watch
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0071  

C2PC as hardware minor change. Power listed is maximum peak conducted output power. Highest reported SAR for Head (front of face 5mm) and extremity (wrist-worn 10g SAR) are 0.01W/kg, 0.01W/kg respectively.

TCB Grant - Application kaatt691b/jxCjzDVmeIdA==

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: 12/26/2025

Application Dated: 12/26/2025
Shenzhen DO Intelligent Technology Co., Ltd.
11th Floor, 3# Building, Guole Tech Park,
Lirong Road, Dalang, Longhua District,
Shenzhen,
China
 
Attention: Wu Dajun ,

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:  2AHFT884
Name of Grantee:  Shenzhen DO Intelligent Technology Co., Ltd.
Equipment Class: Digital Transmission System
Notes: Smart Watch
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.0071  

Output Power listed is conducted. Highest reported SAR for Head (front of face 5mm) and extremity (wrist-worn 10g SAR) are 0.01W/kg, 0.01W/kg respectively.

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