FCC ID 2AC23-DT3CS

WIFI+BT Module

by Hui Zhou Gaoshengda Technology Co.,LTD

Grantee Code: 2AC23   Product Code: DT3CS
Latest application date: 2026-06-18

FCC ID Device Details

FCC ID2AC23-DT3CS
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AC23
Product CodeDT3CS
Applicant BusinessHui Zhou Gaoshengda Technology Co.,LTD 🇨🇳
Related Domains gaosd.com
Equipment ClassWIFI+BT Module
Test FirmUL Verification Services (Guangzhou) Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzClass II permissive change or modification of presently authorized equipment2026-06-18
2412-2462 MHzClass II permissive change or modification of presently authorized equipment2026-06-18
5745-5825 MHzClass II permissive change or modification of presently authorized equipment2026-06-18
5180-5240 MHzOriginal Equipment2025-01-23
2402-2480 MHzOriginal Equipment2025-01-23
2412-2462 MHzOriginal Equipment2025-01-23

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2026-06-18PDF 357.1 KB
User manual Supplementary informationUsers Manual2026-06-18PDF 750.5 KB
User ManualUsers Manual2025-01-23PDF 669.9 KB
User ManualUsers Manual2025-01-23PDF 288.1 KB
internal photoInternal Photos2026-06-18PDF 202.8 KB
Internal photoInternal Photos2025-01-23PDF 116.9 KB
external photoExternal Photos2026-06-18PDF 2.2 MB
External PhotoExternal Photos2025-01-23PDF 769.9 KB
Label and locationID Label/Location Info2025-01-23PDF 751.8 KB
setup photoTest Setup Photos2026-06-18PDF 852.4 KB
Test Setup photoTest Setup Photos2025-01-23PDF 904.9 KB
2.4G REPORTTest Report2026-06-18PDF 2.5 MB
5G REPORTTest Report2026-06-18PDF 2.8 MB
BLE REPORTTest Report2026-06-18PDF 1.4 MB
BT REPORTTest Report2026-06-18PDF 1.2 MB
D211 BT ANTTest Report2026-06-18PDF 1.3 MB
D211 WIFI ANTTest Report2026-06-18PDF 1.2 MB
D272 BT ANTTest Report2026-06-18PDF 1 MB
D272 WIFI ANTTest Report2026-06-18PDF 1.1 MB
H211 BT ANTTest Report2026-06-18PDF 1.1 MB
H211 WIFI ANTTest Report2026-06-18PDF 1.1 MB
S452 and H272 BT ANTTest Report2026-06-18PDF 1.9 MB
S452 and H272 WIFI ANTTest Report2026-06-18PDF 1.6 MB
Antenna SpecTest Report2025-01-23PDF 1.1 MB
Test ReportTest Report2025-01-23PDF 3.3 MB
Test Report-BLETest Report2025-01-23PDF 2.9 MB
Test Report-NII-1Test Report2025-01-23PDF 2.7 MB
Test Report-NII-2Test Report2025-01-23PDF 5.2 MB
Test Report-NII-3Test Report2025-01-23PDF 585.1 KB
Test Report-WiFi-1Test Report2025-01-23PDF 4.2 MB
Test Report-WiFi-2Test Report2025-01-23PDF 1.1 MB
Agent Designation AttestationAttestation Statements2026-06-18PDF 310.7 KB
AttestationAttestation Statements2026-06-18PDF 125.2 KB
Attestation Letter for Client devicesCover Letter(s)2026-06-18PDF 118 KB
Attestation Letter for Client devicesCover Letter(s)2025-01-23PDF 22.3 KB
FCC 2.911[d][5] AttestationAttestation Statements2025-01-23PDF 85.3 KB
FCC Agent informationAttestation Statements2025-01-23PDF 657.5 KB
C2PC letterCover Letter(s)2026-06-18PDF 267 KB
C2PC letter for FCC applicationCover Letter(s)2026-06-18PDF 267 KB
FCC Cofidentiality Request letterCover Letter(s)2026-06-18PDF 71.8 KB
Letter for Module DeclarationCover Letter(s)2026-06-18PDF 183.9 KB
agent auth letterCover Letter(s)2026-06-18PDF 314.8 KB
confidentiality request letterCover Letter(s)2026-06-18PDF 71.8 KB
Auth.letterCover Letter(s)2025-01-23PDF 211.7 KB
Letter for Module DeclarationCover Letter(s)2025-01-23PDF 125.3 KB
confidentiality request letterCover Letter(s)2025-01-23PDF 76.2 KB
MPE REPORTRF Exposure Info2026-06-18PDF 267.8 KB
RF ExposureRF Exposure Info2025-01-23PDF 196.3 KB
RF exposureRF Exposure Info2025-01-23PDF 196.3 KB
Block diagram Metadata onlyBlock DiagramPDF 59.4 KB
Schematics Metadata onlySchematicsPDF 235.3 KB
Operation Description Metadata onlyOperational DescriptionPDF 488 KB
Opertion description Metadata onlyOperational DescriptionPDF 387.6 KB
operation description Metadata onlyOperational DescriptionPDF 488 KB

Application Information

Application IDoTsfB98ZxujcebpArsBN2g==
Final Action Date2026-06-18
Application PurposeClass II permissive change or modification of presently authorized equipment
Applicant FRN0023889280
ModelDT3CS
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionWIFI+BT Module
Responsible PartyHui Guan, weixz@gaosd.com , +86-0752-2096698
Non-Technical ContactMichael / Chan, Global Product Services and Consultation LLC, cschanm@gmail.com , +1 626 366 4358
Test FirmStephen Guo, UL Verification Services (Guangzhou) Co., Ltd., Stephen.guo@ul.com , 86-0769-33817120
TCB EmailLST.FRE.CertNotice@ul.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
Long-Term ConfidentialityYes
Modular EquipmentSingle Modular Approval
Composite DeviceYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
oTsfB98ZxujcebpArsBN2g==2026-06-18Class II permissive change or modification of presently authorized equipment
UC5d5KNQj3ZOkoDzHRN2YA==2026-06-18Class II permissive change or modification of presently authorized equipment
27lytAKE1EjyOSGCHiRiEQ==2026-06-18Class II permissive change or modification of presently authorized equipment
t7YAnLthhMMf1svF4aKKiQ==2025-01-23Original Equipment
iX4i1Mk++jwVNfGaklpZZg==2025-01-23Original Equipment
3FRFCK3Of6Wuhq1NJ5qzIw==2025-01-23Original Equipment

Equipment Authorization

FrequencyOutputRulesGrant Notes
2402-2480 MHz0.004600015CCC
2402-2480 MHz0.004615CCC
2412-2462 MHz0.05415CCC
5180-5240 MHz0.03715ECC
5260-5320 MHz0.03915ECC
5500-5720 MHz0.03615ECC
5745-5825 MHz0.03415ECC

Grants

TCB Grant - Application UC5d5KNQj3ZOkoDzHRN2YA==

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

  UL Verification Services Inc.
47173 Benicia Street
Fremont, CA 94538
Date of Grant: 06/18/2026

Application Dated: 06/17/2026
Hui Zhou Gaoshengda Technology Co.,LTD
No.6 Qiaoguang Road, Chenjiang Street,Zhongkai
High-tech Zone, Huizhou City, Guangdong Province
Huizhou, Guangdong, 516227
China
 
Attention: Hui Guan ,

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:  2AC23-DT3CS
Name of Grantee:  Hui Zhou Gaoshengda Technology Co.,LTD
Equipment Class: Digital Transmission System
Notes: WIFI+BT Module
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.0046  
CC 15C 2412.0  -  2462.0 0.054  

Class II Permissive change to update the software version and add the New Antennas. BLE power is peak conducted, and WLAN is conducted. This device supports BLE and WLAN bandwidth 20 MHz, 40 MHz operations as described in this filing. This device must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter except in accordance with FCC multi-transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.

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

TCB Grant - Application t7YAnLthhMMf1svF4aKKiQ==

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

  UL Verification Services Inc.
47173 Benicia Street
Fremont, CA 94538
Date of Grant: 01/23/2025

Application Dated: 01/23/2025
Hui Zhou Gaoshengda Technology Co.,LTD
No.2,Jin-da Road,Huinan High-tech Industrial Park
Huizhou, Guangdong,
China
 
Attention: Hui Guan

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:  2AC23-DT3CS
Name of Grantee:  Hui Zhou Gaoshengda Technology Co.,LTD
Equipment Class: Unlicensed National Information Infrastructure TX
Notes: WIFI+BT Module
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15E 5180.0  -  5240.0 0.037  
CC 15E 5260.0  -  5320.0 0.039  
CC 15E 5500.0  -  5720.0 0.036  
CC 15E 5745.0  -  5825.0 0.034  

Single Modular Approval. Output power listed is conducted. This device supports RLAN bandwidth 20 MHz, 40 MHz operations as described in this filing. This device must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter except in accordance with FCC multi-transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.

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

EAS Grant - Application t7YAnLthhMMf1svF4aKKiQ==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

Hui Zhou Gaoshengda Technology Co.,LTD
No.2,Jin-da Road,Huinan High-tech Industrial Park
Huizhou, Guangdong,
China
  Date of Grant: 01/23/2025

Application Dated: 01/23/2025
 
Attention: Hui Guan

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:  2AC23-DT3CS
Name of Grantee:  Hui Zhou Gaoshengda Technology Co.,LTD
Equipment Class: Unlicensed National Information Infrastructure TX
Notes: WIFI+BT Module
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15E 5180.0  -  5240.0 0.037  
CC 15E 5260.0  -  5320.0 0.039  
CC 15E 5500.0  -  5720.0 0.036  
CC 15E 5745.0  -  5825.0 0.034  

Single Modular Approval. Output power listed is conducted. This device supports RLAN bandwidth 20 MHz, 40 MHz operations as described in this filing. This device must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter except in accordance with FCC multi-transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.


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

TCB Grant - Application oTsfB98ZxujcebpArsBN2g==

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

  UL Verification Services Inc.
47173 Benicia Street
Fremont, CA 94538
Date of Grant: 06/18/2026

Application Dated: 06/17/2026
Hui Zhou Gaoshengda Technology Co.,LTD
No.6 Qiaoguang Road, Chenjiang Street,Zhongkai
High-tech Zone, Huizhou City, Guangdong Province
Huizhou, Guangdong, 516227
China
 
Attention: Hui Guan ,

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:  2AC23-DT3CS
Name of Grantee:  Hui Zhou Gaoshengda Technology Co.,LTD
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: WIFI+BT Module
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.0046  

Class II Permissive change to update the software version and add the New Antennas. Single Modular Approval. Listed output power is peak conducted. This device must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter except in accordance with FCC multi-transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.

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

TCB Grant - Application iX4i1Mk++jwVNfGaklpZZg==

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

  UL Verification Services Inc.
47173 Benicia Street
Fremont, CA 94538
Date of Grant: 01/23/2025

Application Dated: 01/23/2025
Hui Zhou Gaoshengda Technology Co.,LTD
No.2,Jin-da Road,Huinan High-tech Industrial Park
Huizhou, Guangdong,
China
 
Attention: Hui Guan

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:  2AC23-DT3CS
Name of Grantee:  Hui Zhou Gaoshengda Technology Co.,LTD
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: WIFI+BT Module
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.0046  

Single Modular Approval. Listed output power is peak conducted. This device must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter except in accordance with FCC multi-transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.

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

EAS Grant - Application iX4i1Mk++jwVNfGaklpZZg==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

Hui Zhou Gaoshengda Technology Co.,LTD
No.2,Jin-da Road,Huinan High-tech Industrial Park
Huizhou, Guangdong,
China
  Date of Grant: 01/23/2025

Application Dated: 01/23/2025
 
Attention: Hui Guan

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:  2AC23-DT3CS
Name of Grantee:  Hui Zhou Gaoshengda Technology Co.,LTD
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: WIFI+BT Module
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.0046  

Single Modular Approval. Listed output power is peak conducted. This device must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter except in accordance with FCC multi-transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.


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

TCB Grant - Application 3FRFCK3Of6Wuhq1NJ5qzIw==

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

  UL Verification Services Inc.
47173 Benicia Street
Fremont, CA 94538
Date of Grant: 01/23/2025

Application Dated: 01/23/2025
Hui Zhou Gaoshengda Technology Co.,LTD
No.2,Jin-da Road,Huinan High-tech Industrial Park
Huizhou, Guangdong,
China
 
Attention: Hui Guan

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:  2AC23-DT3CS
Name of Grantee:  Hui Zhou Gaoshengda Technology Co.,LTD
Equipment Class: Digital Transmission System
Notes: WIFI+BT Module
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.0046  
CC 15C 2412.0  -  2462.0 0.054  

Single Modular Approval. BLE power is peak conducted, and WLAN is conducted. This device supports BLE and WLAN bandwidth 20 MHz, 40 MHz operations as described in this filing. This device must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter except in accordance with FCC multi-transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.

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

EAS Grant - Application 3FRFCK3Of6Wuhq1NJ5qzIw==

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION
COPY
Certification

Hui Zhou Gaoshengda Technology Co.,LTD
No.2,Jin-da Road,Huinan High-tech Industrial Park
Huizhou, Guangdong,
China
  Date of Grant: 01/23/2025

Application Dated: 01/23/2025
 
Attention: Hui Guan

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:  2AC23-DT3CS
Name of Grantee:  Hui Zhou Gaoshengda Technology Co.,LTD
Equipment Class: Digital Transmission System
Notes: WIFI+BT Module
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.0046  
CC 15C 2412.0  -  2462.0 0.054  

Single Modular Approval. BLE power is peak conducted, and WLAN is conducted. This device supports BLE and WLAN bandwidth 20 MHz, 40 MHz operations as described in this filing. This device must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter except in accordance with FCC multi-transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.


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

TCB Grant - Application 27lytAKE1EjyOSGCHiRiEQ==

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

  UL Verification Services Inc.
47173 Benicia Street
Fremont, CA 94538
Date of Grant: 06/18/2026

Application Dated: 06/17/2026
Hui Zhou Gaoshengda Technology Co.,LTD
No.6 Qiaoguang Road, Chenjiang Street,Zhongkai
High-tech Zone, Huizhou City, Guangdong Province
Huizhou, Guangdong, 516227
China
 
Attention: Hui Guan ,

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:  2AC23-DT3CS
Name of Grantee:  Hui Zhou Gaoshengda Technology Co.,LTD
Equipment Class: Unlicensed National Information Infrastructure TX
Notes: WIFI+BT Module
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15E 5180.0  -  5240.0 0.02  
CC 15E 5260.0  -  5320.0 0.039  
CC 15E 5500.0  -  5720.0 0.036  
CC 15E 5745.0  -  5825.0 0.034  

Class II Permissive change to update the software version and add the New Antennas. Single Modular Approval. Output power listed is conducted. This device supports RLAN bandwidth 20 MHz, 40 MHz operations as described in this filing. This device must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter except in accordance with FCC multi-transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.

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