1. FCC ID
  2. 2AHFT
  3. 2AHFT899

FCC ID 2AHFT899

Smart Watch

by Shenzhen DO Intelligent Technology Co., Ltd.

Grantee Code: 2AHFT   Product Code: 899
Latest application date: 2026-09-09

FCC ID Device Details

FCC ID2AHFT899
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AHFT
Product Code899
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 MHzOriginal Equipment2026-09-09
2402-2480 MHzOriginal Equipment2026-09-09

Exhibits

DocumentTypeAvailableFile
Users Manual 1Users Manual2026-09-09PDF 5.4 MB
Users Manual 2Users Manual2026-09-09PDF 5 MB
Internal PhotosInternal Photos2026-09-09PDF 2.4 MB
External PhotosExternal Photos2026-09-09PDF 716.9 KB
ID Label/Location Info 1ID Label/Location Info2026-09-09PDF 559.1 KB
ID Label/Location Info 2ID Label/Location Info2026-09-09PDF 559.4 KB
Test Setup Photos 1Test Setup Photos2026-09-09PDF 1.2 MB
Test Setup Photos 2Test Setup Photos2026-09-09PDF 297.5 KB
ANT Test ReportTest Report2026-09-09PDF 564.6 KB
Test Report 1Test Report2026-09-09PDF 1.2 MB
Test Report 1Test Report2026-09-09PDF 1.2 MB
Test Report 2Test Report2026-09-09PDF 2.8 MB
Test Report 2Test Report2026-09-09PDF 5.1 MB
Attestation StatementsAttestation Statements2026-09-09PDF 108.6 KB
US agentAttestation Statements2026-09-09PDF 144.5 KB
Agent AuthorizationCover Letter(s)2026-09-09PDF 138.9 KB
Long term Confidentiality LetterCover Letter(s)2026-09-09PDF 142.6 KB
Model DifferenceCover Letter(s)2026-09-09PDF 161.2 KB
RF Exposure InfoRF Exposure Info2026-09-09PDF 125.7 KB
RF Exposure Info 1RF Exposure Info2026-09-09PDF 155.8 KB
RF Exposure Info 1RF Exposure Info2026-09-09PDF 125.7 KB
RF Exposure Info 2RF Exposure Info2026-09-09PDF 5.1 MB
RF Exposure Info 2RF Exposure Info2026-09-09PDF 155.8 KB
RF Exposure Info 3RF Exposure Info2026-09-09PDF 5.1 MB
RF Exposure Info 3RF Exposure Info2026-09-09PDF 4.9 MB
RF Exposure Info 4RF Exposure Info2026-09-09PDF 4.9 MB
RF Exposure Info 4RF Exposure Info2026-09-09PDF 1.1 MB
RF Exposure Info 5RF Exposure Info2026-09-09PDF 1.1 MB
Block Diagram Metadata onlyBlock DiagramPDF 69.4 KB
Schematics Metadata onlySchematicsPDF 352.2 KB
Operational Description Metadata onlyOperational DescriptionPDF 844.9 KB

Application Information

Application IDQc1EgmU/7Nd/bTulIBt8lg==
Final Action Date2026-09-09
Application PurposeOriginal Equipment
Applicant FRN0025289893
Model899
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
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 Emailtcb@metlabs.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
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
Qc1EgmU/7Nd/bTulIBt8lg==2026-09-09Original Equipment
4WJz0q0OT4nuJoCpViiYaA==2026-09-09Original Equipment

Equipment Authorization

FrequencyOutputRulesGrant Notes
2402-2480 MHz0.008815CCC

Grants

TCB Grant - Application Qc1EgmU/7Nd/bTulIBt8lg==

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: 09/09/2026

Application Dated: 09/09/2026
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:  2AHFT899
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 0.0088  

Output Power listed is conducted. Highest reported SAR for Head (front of face 10mm) and extremity (wrist-worn 10g SAR) are 0.08W/kg, 0.03W/kg respectively.

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

TCB Grant - Application 4WJz0q0OT4nuJoCpViiYaA==

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: 09/09/2026

Application Dated: 09/09/2026
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:  2AHFT899
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 0.0088  

Output Power listed is conducted. Highest reported SAR for Head (front of face 10mm) and extremity (wrist-worn 10g SAR) are 0.08W/kg, 0.03W/kg respectively.

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