1. FCC ID
  2. 2AHFT
  3. 2AHFT537

FCC ID 2AHFT537

Smart Watch

by Shenzhen DO Intelligent Technology Co., Ltd.

Grantee Code: 2AHFT   Product Code: 537
Latest application date: 2024-03-20

FCC ID Device Details

FCC ID2AHFT537
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AHFT
Product Code537
Applicant BusinessShenzhen DO Intelligent Technology Co., Ltd. 🇨🇳
Related Domains youduoyun.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 equipment2024-03-20
2402-2480 MHzClass II permissive change or modification of presently authorized equipment2024-03-20
2402-2480 MHzOriginal Equipment2023-12-29
2402-2480 MHzOriginal Equipment2023-12-28

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2024-03-20PDF 4.7 MB
user manualUsers Manual2023-12-29PDF 4.4 MB
Internal photos GTX03Internal Photos2024-03-20PDF 1.4 MB
Internal photos GTX05Internal Photos2024-03-20PDF 946.6 KB
Internal photos GTX15Internal Photos2024-03-20PDF 2.4 MB
InternalphotoInternal Photos2023-12-29PDF 4 MB
External photos GTX03External Photos2024-03-20PDF 702.6 KB
External photos GTX05External Photos2024-03-20PDF 808.7 KB
External photos GTX15External Photos2024-03-20PDF 808.7 KB
ExternalphotoExternal Photos2023-12-29PDF 2.5 MB
Label and InformationID Label/Location Info2024-03-20PDF 581 KB
label and locationID Label/Location Info2023-12-29PDF 591.7 KB
Test Setup PhotosTest Setup Photos2024-03-20PDF 378.5 KB
Test PhotosTest Setup Photos2023-12-29PDF 1.2 MB
Test Setup PhotosTest Setup Photos2023-12-28PDF 1.2 MB
Antenna ReportTest Report2024-03-20PDF 1.6 MB
Test Report1Test Report2024-03-20PDF 5.2 MB
Test Report2Test Report2024-03-20PDF 1.2 MB
test ReportTest Report2023-12-29PDF 5 MB
test ReportTest Report2023-12-28PDF 5.3 MB
test ReportTest Report2023-12-28PDF 2.8 MB
Agent letterAttestation Statements2024-03-20PDF 143 KB
Attestation of Cover ListAttestation Statements2024-03-20PDF 108.9 KB
USA agentAttestation Statements2023-12-29PDF 136.3 KB
cover letterAttestation Statements2023-12-29PDF 94.6 KB
Agent Authorization Letter TemplateCover Letter(s)2024-03-20PDF 144.6 KB
FCC Class II PC request letterCover Letter(s)2024-03-20PDF 218.2 KB
FCC Short Long Term Confidentiality RequestCover Letter(s)2024-03-20PDF 67.6 KB
Model difference declarationCover Letter(s)2024-03-20PDF 86.5 KB
ANT ReportCover Letter(s)2023-12-29PDF 430.8 KB
Agent Authorization Letter TemplateCover Letter(s)2023-12-29PDF 129.1 KB
FCC Short & Long Term Confidentiality RequestCover Letter(s)2023-12-29PDF 52.8 KB
RF ExposureRF Exposure Info2024-03-20PDF 297.2 KB
RF Exposure InfoRF Exposure Info2023-12-29PDF 343.2 KB
BLOK Metadata onlyBlock DiagramPDF 112.5 KB
SCH Metadata onlySchematicsPDF 236.5 KB
OPS Metadata onlyOperational DescriptionPDF 144.5 KB
OperatingDescription Metadata onlyOperational DescriptionPDF 167.4 KB

Application Information

Application IDnv76Jc3Nkhwdp2EZ5SpoRQ==
Final Action Date2024-03-20
Application PurposeClass II permissive change or modification of presently authorized equipment
Applicant FRN0025289893
Model537
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionSmart Watch
Responsible PartyWu Dajun, wudj@youduoyun.com , 4006-123-55
Technical ContactShenzhen DO Intelligent Technology Co., Ltd., wudj@youduoyun.com
Test FirmJack Ai, Shenzhen Huaxia Testing Technology Co., Ltd, szcqa@cqa-cert.com , +8613902988375
TCB Emailanezam@qai.org
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 CommentsC2PC. Screen model?changed from ZC-A1D43W-039B to ZC-A1D43W-039C. Loudspeaker model?changed from QSQ-S1507H27AWW-11 to QSQ-S1507H27CW-05. Antenna type?changed from metal frame antenna to LDS antenna. Antenna gain?changed from -2.74dBi to-2.1dBi. Power listed is the maximum conducted output power.

Applications

Application IDDatePurpose
nv76Jc3Nkhwdp2EZ5SpoRQ==2024-03-20Class II permissive change or modification of presently authorized equipment
AMBf+YLfUa3UlvEtOsNoSg==2024-03-20Class II permissive change or modification of presently authorized equipment
LBZZOeu2LcFrxWk12jqbRw==2023-12-29Original Equipment
2VI5Y+VkPEkCiVOhAEjfqg==2023-12-28Original Equipment

Equipment Authorization

FrequencyOutputRulesGrant Notes
2402-2480 MHz0.001000015CCC
2402-2480 MHz0.004100015CCC

Grants

TCB Grant - Application nv76Jc3Nkhwdp2EZ5SpoRQ==

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

  QAI LABORATORIES LTD
3980 North Fraser Way
Burnaby, BC, V5J5K5
Canada 		Date of Grant: 03/20/2024

Application Dated: 03/20/2024
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:  2AHFT537
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 0.001  

C2PC. Screen model?changed from ZC-A1D43W-039B to ZC-A1D43W-039C. Loudspeaker model?changed from QSQ-S1507H27AWW-11 to QSQ-S1507H27CW-05. Antenna type?changed from metal frame antenna to LDS antenna. Antenna gain?changed from -2.74dBi to-2.1dBi. Power listed is the maximum conducted output power.

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

EAS Grant - Application nv76Jc3Nkhwdp2EZ5SpoRQ==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

Shenzhen DO Intelligent Technology Co., Ltd.
11th Floor, 3# Building, Guole Tech Park, Lirong Road, Dalang, Longhua District,
Shenzhen,
China 		  Date of Grant: 03/20/2024

Application Dated: 03/20/2024
 
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:  2AHFT537
Name of Grantee:  Shenzhen DO Intelligent Technology Co., Ltd.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Smart Watch
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.001  

C2PC. Screen model?changed from ZC-A1D43W-039B to ZC-A1D43W-039C. Loudspeaker model?changed from QSQ-S1507H27AWW-11 to QSQ-S1507H27CW-05. Antenna type?changed from metal frame antenna to LDS antenna. Antenna gain?changed from -2.74dBi to-2.1dBi. Power listed is the maximum conducted output power.


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

TCB Grant - Application LBZZOeu2LcFrxWk12jqbRw==

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

  QAI LABORATORIES LTD
3980 North Fraser Way
Burnaby, BC, V5J5K5
Canada 		Date of Grant: 12/29/2023

Application Dated: 12/28/2023
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:  2AHFT537
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 0.0041  

Power listed is the maximum conducted output power.

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

EAS Grant - Application LBZZOeu2LcFrxWk12jqbRw==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

Shenzhen DO Intelligent Technology Co., Ltd.
11th Floor, 3# Building, Guole Tech Park, Lirong Road, Dalang, Longhua District,
Shenzhen,
China 		  Date of Grant: 12/29/2023

Application Dated: 12/28/2023
 
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:  2AHFT537
Name of Grantee:  Shenzhen DO Intelligent Technology Co., Ltd.
Equipment Class: Digital Transmission System
Notes: Smart Watch
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.0041  

Power listed is the maximum conducted output power.


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

TCB Grant - Application AMBf+YLfUa3UlvEtOsNoSg==

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

  QAI LABORATORIES LTD
3980 North Fraser Way
Burnaby, BC, V5J5K5
Canada 		Date of Grant: 03/20/2024

Application Dated: 03/20/2024
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:  2AHFT537
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 0.0041  

C2PC. Screen model?changed from ZC-A1D43W-039B to ZC-A1D43W-039C. Loudspeaker model?changed from QSQ-S1507H27AWW-11 to QSQ-S1507H27CW-05. Antenna type?changed from metal frame antenna to LDS antenna. Antenna gain?changed from -2.74dBi to-2.1dBi. Power listed is the maximum conducted output power.

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

EAS Grant - Application AMBf+YLfUa3UlvEtOsNoSg==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

Shenzhen DO Intelligent Technology Co., Ltd.
11th Floor, 3# Building, Guole Tech Park, Lirong Road, Dalang, Longhua District,
Shenzhen,
China 		  Date of Grant: 03/20/2024

Application Dated: 03/20/2024
 
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:  2AHFT537
Name of Grantee:  Shenzhen DO Intelligent Technology Co., Ltd.
Equipment Class: Digital Transmission System
Notes: Smart Watch
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.0041  

C2PC. Screen model?changed from ZC-A1D43W-039B to ZC-A1D43W-039C. Loudspeaker model?changed from QSQ-S1507H27AWW-11 to QSQ-S1507H27CW-05. Antenna type?changed from metal frame antenna to LDS antenna. Antenna gain?changed from -2.74dBi to-2.1dBi. Power listed is the maximum conducted output power.


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

TCB Grant - Application 2VI5Y+VkPEkCiVOhAEjfqg==

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

  QAI LABORATORIES LTD
3980 North Fraser Way
Burnaby, BC, V5J5K5
Canada 		Date of Grant: 12/28/2023

Application Dated: 12/28/2023
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:  2AHFT537
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 0.001  

Power listed is the maximum conducted output power.

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

EAS Grant - Application 2VI5Y+VkPEkCiVOhAEjfqg==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

Shenzhen DO Intelligent Technology Co., Ltd.
11th Floor, 3# Building, Guole Tech Park, Lirong Road, Dalang, Longhua District,
Shenzhen,
China 		  Date of Grant: 12/28/2023

Application Dated: 12/28/2023
 
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:  2AHFT537
Name of Grantee:  Shenzhen DO Intelligent Technology Co., Ltd.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Smart Watch
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.001  

Power listed is the maximum conducted output power.


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

Mail To: