1. FCC ID
  2. 2AHFT
  3. 2AHFT890

FCC ID 2AHFT890

Smart Watch

by Shenzhen DO Intelligent Technology Co., Ltd.

Grantee Code: 2AHFT   Product Code: 890
Latest application date: 2026-07-22

FCC ID Device Details

FCC ID2AHFT890
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AHFT
Product Code890
Applicant BusinessShenzhen DO Intelligent Technology Co., Ltd. 🇨🇳
Related Domains youduoyun.com picus.fi
Equipment ClassSmart Watch
Test FirmShenzhen BALUN Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2580-2610 MHzOriginal Equipment2026-07-22
2412-2462 MHzOriginal Equipment2026-07-22
2402-2480 MHzOriginal Equipment2026-07-22

Exhibits

DocumentTypeAvailableFile
LabelID Label/Location Info2026-07-22PDF 909.9 KB
Antenna specificationTest Report2026-07-22PDF 1.4 MB
Antenna specificationTest Report2026-07-22PDF 1.9 MB
BLE test reportTest Report2026-07-22PDF 4.2 MB
Test reportTest Report2026-07-22PDF 5.6 MB
Ti-EE26010095-501 Data Part 1_1Test Report2026-07-22PDF 4.5 MB
Ti-EE26010095-501 Data Part 1_2Test Report2026-07-22PDF 4.5 MB
Ti-EE26010095-501 Data Part 1_3Test Report2026-07-22PDF 4.4 MB
Ti-EE26010095-501 Data Part 2_1Test Report2026-07-22PDF 4.5 MB
Ti-EE26010095-501 Data Part 2_2Test Report2026-07-22PDF 4.6 MB
Ti-EE26010095-501 Data Part 3_1Test Report2026-07-22PDF 5 MB
Ti-EE26010095-501 Data Part 3_2Test Report2026-07-22PDF 5.6 MB
Ti-EE26010095-501 Data Part 3_3Test Report2026-07-22PDF 5.6 MB
Ti-EE26010095-501 Data Part 3_4Test Report2026-07-22PDF 5.6 MB
Ti-EE26010095-501 Data Part 3_5Test Report2026-07-22PDF 5.6 MB
Ti-EE26010095-501 Data Part 3_6Test Report2026-07-22PDF 4.2 MB
Ti-EE26010095-501 Data Part 4Test Report2026-07-22PDF 3.7 MB
Ti-EE26010095-501 Data Part 5Test Report2026-07-22PDF 5.1 MB
Ti-EE26010095-501 Data Part 6Test Report2026-07-22PDF 1.3 MB
Ti-EE26010095-501 test reportTest Report2026-07-22PDF 3.6 MB
Ti-EE26010095-701 SAR test reportRF Exposure Info2026-07-22PDF 2 MB
WIFI 2.4G test reportTest Report2026-07-22PDF 5.3 MB
Attestation Section 2.911(d)(5)(i) and (ii) FilingAttestation Statements2026-07-22PDF 88.3 KB
US Agent letterAttestation Statements2026-07-22PDF 164.1 KB
Confidentiality letterCover Letter(s)2026-07-22PDF 91.9 KB
POA letterCover Letter(s)2026-07-22PDF 37.5 KB
Ti-EE26010095-AC Calibration reportRF Exposure Info2026-07-22PDF 5.2 MB
Ti-EE26010095-AP Power ListRF Exposure Info2026-07-22PDF 599.4 KB
Ti-EE26010095-ASC System CheckRF Exposure Info2026-07-22PDF 327.3 KB
Ti-EE26010095-ATD Test LogRF Exposure Info2026-07-22PDF 1.1 MB
User manual Metadata onlyUsers Manual2027-01-18PDF 5.1 MB
Internal photos Metadata onlyInternal Photos2027-01-18PDF 1.6 MB
External photos Metadata onlyExternal Photos2027-01-18PDF 1.1 MB
RF Test setup photos Metadata onlyTest Setup Photos2027-01-18PDF 1.9 MB
RF test setup photos Metadata onlyTest Setup Photos2027-01-18PDF 1.9 MB
SAR test setup photos Metadata onlyTest Setup Photos2027-01-18PDF 174.8 KB
Block Diagram Metadata onlyBlock DiagramPDF 808.1 KB
Schematics Metadata onlySchematicsPDF 1.1 MB
Operational Description Metadata onlyOperational DescriptionPDF 31.3 KB
BOM list Metadata onlyParts List/Tune Up InfoPDF 100.3 KB
Tune up procedure Metadata onlyParts List/Tune Up InfoPDF 124.9 KB

Application Information

Application IDqNgNYWQonB8wJ0iFKdSEUg==
Final Action Date2026-07-22
Application PurposeOriginal Equipment
Applicant FRN0025289893
Model890
Frequency Range2580-2610 MHz
Equipment ClassPCT - PCS Licensed Transmitter worn on body
Device DescriptionSmart Watch
Responsible PartyWu Dajun, wudj@youduoyun.com , 4006-123-55
Non-Technical ContactIvan Wang, Picus Advisors US LLC, ivan.wang@picus.fi , (713) 391-4488
Test FirmHanson Lin, Shenzhen BALUN Technology Co., Ltd., Hanson.Lin@baluntek.com , 86-755-66833830
TCB Emailcb@industrial-ia.com
TCB ScopeB1: Commercial mobile radio services equipment in the following 47 CFR Parts 20, 22 (cellular), 24,25 (below 3 GHz) & 27
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
qNgNYWQonB8wJ0iFKdSEUg==2026-07-22Original Equipment
Zs5xfZSoebJ5keNZnHczdQ==2026-07-22Original Equipment
56Mm3aY4Ud7EFr/HK6cc9w==2026-07-22Original Equipment

Equipment Authorization

FrequencyOutputToleranceEmissionRules
2402-2480 MHz0.0055115C
2412-2462 MHz0.0528415C
2412-2462 MHz0.1196715C
824.2-848.8 MHz0.1330.01 PM247KGXW22H
824.2-848.8 MHz0.1360.01 PM247KG7W22H
1850.2-1909.8 MHz0.2030.01 PM244KGXW24E
1850.2-1909.8 MHz0.2160.01 PM244KG7W24E
1852.4-1907.6 MHz0.040.01 PM4M14F9W24E
826.4-846.6 MHz0.0160.01 PM4M14F9W22H
1860-1900 MHz0.0330.01 PM18M0G7D24E
1860-1900 MHz0.0270.01 PM18M0W7D24E
1850.7-1909.3 MHz0.0340.01 PM1M10G7D24E
1850.7-1909.3 MHz0.030.01 PM1M10W7D24E
1720-1745 MHz0.0320.01 PM18M0G7D27
1720-1745 MHz0.0250.01 PM18M0W7D27
1710.7-1754.3 MHz0.0260.01 PM1M10W7D27
829-844 MHz0.0130.01 PM9M00G7D22H
829-844 MHz0.010.01 PM9M00W7D22H
826.5-846.5 MHz0.0140.01 PM4M51G7D22H
825.5-847.5 MHz0.0120.01 PM2M72W7D22H
2510-2560 MHz0.0720.01 PM18M0G7D27
2510-2560 MHz0.0720.01 PM18M0W7D27
2502.5-2567.5 MHz0.0750.01 PM4M52G7D27
704-711 MHz0.0080.01 PM8M99G7D27
704-711 MHz0.0060.01 PM9M01W7D27
2580-2610 MHz0.0880.01 PM18M0G7D27
2580-2610 MHz0.0750.01 PM18M0W7D27
2572.5-2617.5 MHz0.0940.01 PM4M52G7D27
2506-2680 MHz0.0890.01 PM18M0G7D27
2506-2680 MHz0.0740.01 PM18M0W7D27
2498.5-2687.5 MHz0.0990.01 PM4M52G7D27
1720-1770 MHz0.0470.01 PM18M0G7D27
1720-1770 MHz0.0350.01 PM18M0W7D27
1715-1775 MHz0.0390.01 PM8M99W7D27
2402-2480 MHz0.0061315C

Grants

TCB Grant - Application Zs5xfZSoebJ5keNZnHczdQ==

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

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 07/22/2026

Application Dated: 07/22/2026
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:  2AHFT890
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 0.00551  
15C 2412.0  -  2462.0 0.05284  
15C 2412.0  -  2462.0 0.11967  

Output Power listed is the maximum conducted output power. The highest reported SAR for head (face at 10 mm) and product-specific (10g extremity SAR) exposure conditions are < 0.10 W/kg and < 0.10 W/kg, respectively. This device supports 20 MHz bandwidth modes.

TCB Grant - Application qNgNYWQonB8wJ0iFKdSEUg==

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

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 07/22/2026

Application Dated: 07/22/2026
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:  2AHFT890
Name of Grantee:  Shenzhen DO Intelligent Technology Co., Ltd.
Equipment Class: PCS Licensed Transmitter worn on body
Notes: Smart Watch
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
22H 824.2  -  848.8 0.133 0.01  PM 247KGXW
22H 824.2  -  848.8 0.136 0.01  PM 247KG7W
24E 1850.2  -  1909.8 0.203 0.01  PM 244KGXW
24E 1850.2  -  1909.8 0.216 0.01  PM 244KG7W
24E 1852.4  -  1907.6 0.04 0.01  PM 4M14F9W
22H 826.4  -  846.6 0.016 0.01  PM 4M14F9W
24E 1860.0  -  1900.0 0.033 0.01  PM 18M0G7D
24E 1860.0  -  1900.0 0.027 0.01  PM 18M0W7D
24E 1850.7  -  1909.3 0.034 0.01  PM 1M10G7D
24E 1850.7  -  1909.3 0.03 0.01  PM 1M10W7D
27 1720.0  -  1745.0 0.032 0.01  PM 18M0G7D
27 1720.0  -  1745.0 0.025 0.01  PM 18M0W7D
27 1710.7  -  1754.3 0.026 0.01  PM 1M10W7D
22H 829.0  -  844.0 0.013 0.01  PM 9M00G7D
22H 829.0  -  844.0 0.01 0.01  PM 9M00W7D
22H 826.5  -  846.5 0.014 0.01  PM 4M51G7D
22H 825.5  -  847.5 0.012 0.01  PM 2M72W7D
27 2510.0  -  2560.0 0.072 0.01  PM 18M0G7D
27 2510.0  -  2560.0 0.072 0.01  PM 18M0W7D
27 2502.5  -  2567.5 0.075 0.01  PM 4M52G7D
27 704.0  -  711.0 0.008 0.01  PM 8M99G7D
27 704.0  -  711.0 0.006 0.01  PM 9M01W7D
27 2580.0  -  2610.0 0.088 0.01  PM 18M0G7D
27 2580.0  -  2610.0 0.075 0.01  PM 18M0W7D
27 2572.5  -  2617.5 0.094 0.01  PM 4M52G7D
27 2506.0  -  2680.0 0.089 0.01  PM 18M0G7D
27 2506.0  -  2680.0 0.074 0.01  PM 18M0W7D
27 2498.5  -  2687.5 0.099 0.01  PM 4M52G7D
27 1720.0  -  1770.0 0.047 0.01  PM 18M0G7D
27 1720.0  -  1770.0 0.035 0.01  PM 18M0W7D
27 1715.0  -  1775.0 0.039 0.01  PM 8M99W7D

Output Power is EIRP and ERP for above and below 1 The highest reported SAR for head (face at 10 mm) and product-specific (10g extremity SAR) exposure conditions are 0.37 W/kg and 0.93 W/kg, respectively.

This device supports LTE of 1.4, 3, 5, 10, 15 and 20 MHz bandwidth modes for FDD LTE Bands 2, 4 and 66; LTE of 5, 10, 15 and 20 MHz bandwidth modes for FDD LTE Band 7; LTE of 1.4, 3, 5 and 10 MHz bandwidth modes for FDD LTE Bands 5 and 12; and LTE of 5, 10, 15 and 20 MHz bandwidth modes for TDD LTE Bands 38 and 41.


TCB Grant - Application 56Mm3aY4Ud7EFr/HK6cc9w==

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

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 07/22/2026

Application Dated: 07/22/2026
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:  2AHFT890
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 0.00613  

Output Power listed is the maximum conducted output power. The highest reported SAR for head (face at 10 mm) and product-specific (10g extremity SAR) exposure conditions are < 0.10 W/kg and < 0.10 W/kg, respectively.