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  2. SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
  3. 2BB4N-ST02DUS

FCC ID 2BB4N-ST02DUS

2BB4N-5T02DU5, 2BB4N-5TO2DU5, 2BB4N-ST02DUS, 2BB4N-STO2DUS, 2BB4N5T02DU5, 2BB4N5TO2DU5, 2BB4NST02DUS, 2BB4NSTO2DUS, ZBB4N-5T0ZDU5, ZBB4N-5TOZDU5, ZBB4N-ST0ZDUS, ZBB4N-STOZDUS, ZBB4N5T0ZDU5, ZBB4N5TOZDU5, ZBB4NST0ZDUS, ZBB4NSTOZDUS

Interactive collaboration board -ST02DUS SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.

An FCC ID is a unique identifier assigned by the Federal Communications Commission (FCC) to identify wireless radio frequency devices available on the market. The FCC assigns a 3- or 5-character Grantee Code to indicate the company responsible for manufacturing the device. For the current product, the FCC ID is 2BB4N-ST02DUS, where the Grantee Code is 2BB4N. The remaining portion of the ID, -ST02DUS, is typically associated with the product model, though it may also be a randomly chosen string determined by the applicant.

The current product (model -ST02DUS) is manufactured by SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.. It complies with the Federal Communications Commission (FCC) requirements and is classified under the equipment class as DTS - Digital Transmission System, The equipment notes indicate that the product is a Interactive collaboration board.

In addition to the application documents, the FCC also publishes internal and external photographs of the device, user manuals, and test reports. These materials can be viewed under the "Exhibits" tab below.

FCC Registration Number
0034017541
Manufactured By
SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
Tested By
EST Technology Co., Ltd.
Equipment Class(es)
  • DTS - Digital Transmission System
  • DSS - Part 15 Spread Spectrum Transmitter
  • NII - Unlicensed National Information Infrastructure TX
Equipment Note(s)
  • Interactive collaboration board
  • Interactive collaboration board
  • Interactive collaboration board
Original Data Source
FCC.gov Official

Applications

Frequencies

FCC ID 2BB4N-ST02DUS Frequencies List ALL

FCC ID 2BB4N-ST02DUS Frequencies List #1

FCC ID 2BB4N-ST02DUS Frequencies List #2

  • App #
    Frequency Range
    Power Output
    Tolerance
    Emission Designator
    Rule Parts
    Grant Notes
  • 2.1
    2402.0 - 2480.0
    0.0036308
    15C
    CC

    • * total 7 frequency items

FCC ID 2BB4N-ST02DUS Frequencies List #3

Exhibits

FCC ID 2BB4N-ST02DUS Exhibits List ALL

FCC ID 2BB4N-ST02DUS Exhibits List #1

FCC ID 2BB4N-ST02DUS Exhibits List #2

FCC ID 2BB4N-ST02DUS Exhibits List #3

Application Forms

FCC ID 2BB4N-ST02DUS Application Forms #1

Application for Equipment Authorization FCC Form 731 TCB Version


Applicant Information
Applicant's complete, legal business name: SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
FCC Registration Number (FRN): 0034017541
Line one: B401-p, longgang tian'an digital park, huanggekeng
Line two: community, longcheng street, longgang district
P.O. Box:
City: Shenzhen, Guangdong
State: N/A
Country: China
Zip Code:

TCB Information
TCB Application Email Address: TCBAdmin@compliancetesting.com
TCB Scope: A4: UNII devices & low power transmitters using spread spectrum techniques

FCC ID
Grantee Code: 2BB4N Product Code: -ST02DUS

Person at the applicant's address to receive grant or for contact
First Name: Yvette
Middle Name:
Last Name: Liu
Title: Project manager
Telephone Number: 86-17722490456 Extension:
Fax Number: N/A
Email: hardware@vibe.us
Mail Stop:


Technical Contact
Firm Name:
First Name:
Middle Name:
Last Name:
Line 1:
Line 2:
P.O. Box:
City:
State:
Country:
Zip Code:
Telephone Number: Extension:
Fax Number:
E-Mail:

Non Technical Contact
Firm Name: TTS MARKET INC.
First Name: Maverick
Middle Name:
Last Name: Lim
Line 1: 1178 Broadway Ste324
Line 2:
P.O. Box:
City:
State:
Country: United States
Zip Code: 10001
Telephone Number: Extension:
Fax Number:
E-Mail: Maverick@ttsmarket.cc

Long-Term Confidentiality
Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:   Yes

Short-Term Confidentiality
Does short-term confidentiality apply to this application?:   No
If so, specify the short-term confidentiality release date (MM/DD/YYYY format):  
Note: If no date is supplied, the release date will be set to 45 calendar days past the date of grant.

Software Defined/Cognitive Radio
Is this application for software defined/cognitive radio authorization?   No

Equipment Class
Equipment Class:   DTS - Digital Transmission System
Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant): Interactive collaboration board

Related OET KnowledgeDataBase Inquiry
Is there a KDB inquiry associated with this application?  No

Modular Equipment
Modular Type:  Does not apply

Application Purpose
Application is for:   Original Equipment

Composite/Related Equipment
Is the equipment in this application a composite device subject to an additional equipment authorization?   Yes
Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization?   No

The related application is in the process of being filed under the FCC ID(s)

Equipment Specifications
Line
Entry		 Lower
Frequency		 Upper
Frequency		 Power
Output		 Tolerance Emission
Designator		 Microprocessor
Number		 Rule
Parts		 Grant
Notes
1 2402 2480 0.0037068 15C CC
2 2412 2462 0.1733804 15C CC,MO

Test Firm Information
Name of test firm and contact person on file with the FCC:
Firm Name:   EST Technology Co., Ltd.
First Name:   Iceman
Last Name:   Hu
Telephone Number: 86-0769-83081888 Extension: 808
Fax Number: 
E-mail:  iceman.hu@gdest.cn

Grant Comments
Enter any text that you would like to appear at the bottom of the Grant of Equipment Authorization:
Output power listed is conducted. This device has 20 MHz and 40 MHz bandwidth mode. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

Equipment Authorization Waiver
Is there an equipment authorization waiver associated with this application?  No
If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?:  No

WILLFUL FALSE STATEMENTS MADE ON THIS FORM ARE PUNISHABLE BY FINE AND IMPRISONMENT (U.S. CODE, TITLE 18, SECTION 1001), AND/OR REVOCATION OF ANY STATION LICENSE OR CONSTRUCTION PERMIT (U.S. CODE, TITLE 47, SECTION 312(a)(1)), AND/OR FORFEITURE (U.S. CODE, TITLE 47, SECTION 503).

SECTION 5301 (ANTI-DRUG ABUSE) CERTIFICATION:
The applicant must certify that neither the applicant nor any party to the application is subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes.

Does the applicant or authorized agent so certify?  Yes

Applicant/Agent Certification:

I certify that I am authorized to sign this application. All of the statements herein and the exhibits attached hereto, are true and correct to the best of my knowledge and belief. In accepting a Grant of Equipment Authorization as a result of the representations made in this application, the applicant is responsible for (1) labeling the equipment with the exact FCC ID specified in this application, (2) compliance statement labeling pursuant to the applicable rules, and (3) compliance of the equipment with the applicable technical rules. If the applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC's technical requirements.

Authorizing an agent to sign this application, is done solely at the applicant's discretion; however, the applicant remains responsible for all statements in this application.

If an agent has signed this application on behalf of the applicant, a written letter of authorization which includes information to enable the agent to respond to the above section 5301 (Anti-Drug Abuse) Certification statement has been provided by the applicant. It is understood that the letter of authorization must be submitted to the FCC upon request, and that the FCC reserves the right to contact the applicant directly at any time.

Signature of Authorized Person Filing:  Yvette Liu
Title of authorized signature: 

Complete items below if agent signs the application:

Firm Name: 
First Name: 
Middle Name: 
Last Name: 
Line 1: 
Line 2: 
P.O. Box: 
City: 
State: 
Country: 
Zip Code: 
Telephone Number:  Extension: 
Fax Number: 
E-mail: 

FCC ID 2BB4N-ST02DUS Application Forms #2

Application for Equipment Authorization FCC Form 731 TCB Version


Applicant Information
Applicant's complete, legal business name: SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
FCC Registration Number (FRN): 0034017541
Line one: B401-p, longgang tian'an digital park, huanggekeng
Line two: community, longcheng street, longgang district
P.O. Box:
City: Shenzhen, Guangdong
State: N/A
Country: China
Zip Code:

TCB Information
TCB Application Email Address: TCBAdmin@compliancetesting.com
TCB Scope: A4: UNII devices & low power transmitters using spread spectrum techniques

FCC ID
Grantee Code: 2BB4N Product Code: -ST02DUS

Person at the applicant's address to receive grant or for contact
First Name: Yvette
Middle Name:
Last Name: Liu
Title: Project manager
Telephone Number: 86-17722490456 Extension:
Fax Number: N/A
Email: hardware@vibe.us
Mail Stop:


Technical Contact
Firm Name:
First Name:
Middle Name:
Last Name:
Line 1:
Line 2:
P.O. Box:
City:
State:
Country:
Zip Code:
Telephone Number: Extension:
Fax Number:
E-Mail:

Non Technical Contact
Firm Name: TTS MARKET INC.
First Name: Maverick
Middle Name:
Last Name: Lim
Line 1: 1178 Broadway Ste324
Line 2:
P.O. Box:
City:
State:
Country: United States
Zip Code: 10001
Telephone Number: Extension:
Fax Number:
E-Mail: Maverick@ttsmarket.cc

Long-Term Confidentiality
Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:   Yes

Short-Term Confidentiality
Does short-term confidentiality apply to this application?:   No
If so, specify the short-term confidentiality release date (MM/DD/YYYY format):  
Note: If no date is supplied, the release date will be set to 45 calendar days past the date of grant.

Software Defined/Cognitive Radio
Is this application for software defined/cognitive radio authorization?   No

Equipment Class
Equipment Class:   DSS - Part 15 Spread Spectrum Transmitter
Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant): Interactive collaboration board

Related OET KnowledgeDataBase Inquiry
Is there a KDB inquiry associated with this application?  No

Modular Equipment
Modular Type:  Does not apply

Application Purpose
Application is for:   Original Equipment

Composite/Related Equipment
Is the equipment in this application a composite device subject to an additional equipment authorization?   Yes
Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization?   No

The related application is in the process of being filed under the FCC ID(s)

Equipment Specifications
Line
Entry		 Lower
Frequency		 Upper
Frequency		 Power
Output		 Tolerance Emission
Designator		 Microprocessor
Number		 Rule
Parts		 Grant
Notes
1 2402.00000000 2480.00000000 0.0036308 15C CC

Test Firm Information
Name of test firm and contact person on file with the FCC:
Firm Name:   EST Technology Co., Ltd.
First Name:   Iceman
Last Name:   Hu
Telephone Number: 86-0769-83081888 Extension: 808
Fax Number: 
E-mail:  iceman.hu@gdest.cn

Grant Comments
Enter any text that you would like to appear at the bottom of the Grant of Equipment Authorization:
Output power listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

Equipment Authorization Waiver
Is there an equipment authorization waiver associated with this application?  No
If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?:  No

WILLFUL FALSE STATEMENTS MADE ON THIS FORM ARE PUNISHABLE BY FINE AND IMPRISONMENT (U.S. CODE, TITLE 18, SECTION 1001), AND/OR REVOCATION OF ANY STATION LICENSE OR CONSTRUCTION PERMIT (U.S. CODE, TITLE 47, SECTION 312(a)(1)), AND/OR FORFEITURE (U.S. CODE, TITLE 47, SECTION 503).

SECTION 5301 (ANTI-DRUG ABUSE) CERTIFICATION:
The applicant must certify that neither the applicant nor any party to the application is subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes.

Does the applicant or authorized agent so certify?  Yes

Applicant/Agent Certification:

I certify that I am authorized to sign this application. All of the statements herein and the exhibits attached hereto, are true and correct to the best of my knowledge and belief. In accepting a Grant of Equipment Authorization as a result of the representations made in this application, the applicant is responsible for (1) labeling the equipment with the exact FCC ID specified in this application, (2) compliance statement labeling pursuant to the applicable rules, and (3) compliance of the equipment with the applicable technical rules. If the applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC's technical requirements.

Authorizing an agent to sign this application, is done solely at the applicant's discretion; however, the applicant remains responsible for all statements in this application.

If an agent has signed this application on behalf of the applicant, a written letter of authorization which includes information to enable the agent to respond to the above section 5301 (Anti-Drug Abuse) Certification statement has been provided by the applicant. It is understood that the letter of authorization must be submitted to the FCC upon request, and that the FCC reserves the right to contact the applicant directly at any time.

Signature of Authorized Person Filing:  Yvette Liu
Title of authorized signature: 

Complete items below if agent signs the application:

Firm Name: 
First Name: 
Middle Name: 
Last Name: 
Line 1: 
Line 2: 
P.O. Box: 
City: 
State: 
Country: 
Zip Code: 
Telephone Number:  Extension: 
Fax Number: 
E-mail: 

FCC ID 2BB4N-ST02DUS Application Forms #3

Application for Equipment Authorization FCC Form 731 TCB Version


Applicant Information
Applicant's complete, legal business name: SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
FCC Registration Number (FRN): 0034017541
Line one: B401-p, longgang tian'an digital park, huanggekeng
Line two: community, longcheng street, longgang district
P.O. Box:
City: Shenzhen, Guangdong
State: N/A
Country: China
Zip Code:

TCB Information
TCB Application Email Address: TCBAdmin@compliancetesting.com
TCB Scope: A4: UNII devices & low power transmitters using spread spectrum techniques

FCC ID
Grantee Code: 2BB4N Product Code: -ST02DUS

Person at the applicant's address to receive grant or for contact
First Name: Yvette
Middle Name:
Last Name: Liu
Title: Project manager
Telephone Number: 86-17722490456 Extension:
Fax Number: N/A
Email: hardware@vibe.us
Mail Stop:


Technical Contact
Firm Name:
First Name:
Middle Name:
Last Name:
Line 1:
Line 2:
P.O. Box:
City:
State:
Country:
Zip Code:
Telephone Number: Extension:
Fax Number:
E-Mail:

Non Technical Contact
Firm Name: TTS MARKET INC.
First Name: Maverick
Middle Name:
Last Name: Lim
Line 1: 1178 Broadway Ste324
Line 2:
P.O. Box:
City: New York
State:
Country: United States
Zip Code: 10001
Telephone Number: 001-646-305-2908 Extension:
Fax Number:
E-Mail: Maverick@ttsmarket.cc

Long-Term Confidentiality
Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:   Yes

Short-Term Confidentiality
Does short-term confidentiality apply to this application?:   No
If so, specify the short-term confidentiality release date (MM/DD/YYYY format):  
Note: If no date is supplied, the release date will be set to 45 calendar days past the date of grant.

Software Defined/Cognitive Radio
Is this application for software defined/cognitive radio authorization?   No

Equipment Class
Equipment Class:   NII - Unlicensed National Information Infrastructure TX
Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant): Interactive collaboration board

Related OET KnowledgeDataBase Inquiry
Is there a KDB inquiry associated with this application?  No

Modular Equipment
Modular Type:  Does not apply

Application Purpose
Application is for:   Original Equipment

Composite/Related Equipment
Is the equipment in this application a composite device subject to an additional equipment authorization?   Yes
Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization?   No

The related application is in the process of being filed under the FCC ID(s)

Equipment Specifications
Line
Entry		 Lower
Frequency		 Upper
Frequency		 Power
Output		 Tolerance Emission
Designator		 Microprocessor
Number		 Rule
Parts		 Grant
Notes
1 5180 5240 0.0837529 15E CC,MO
2 5260 5320 0.0781628 15E CC,MO
3 5500 5700 0.086099 15E CC,MO
4 5745 5825 0.08147 15E CC,MO

Test Firm Information
Name of test firm and contact person on file with the FCC:
Firm Name:   EST Technology Co., Ltd.
First Name:   Iceman
Last Name:   Hu
Telephone Number: 86-0769-83081888 Extension: 808
Fax Number: 
E-mail:  iceman.hu@gdest.cn

Grant Comments
Enter any text that you would like to appear at the bottom of the Grant of Equipment Authorization:
Output power listed is conducted. This device has 20 MHz, 40 MHz and 80 MHz bandwidth mode. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.

Equipment Authorization Waiver
Is there an equipment authorization waiver associated with this application?  No
If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?:  No

WILLFUL FALSE STATEMENTS MADE ON THIS FORM ARE PUNISHABLE BY FINE AND IMPRISONMENT (U.S. CODE, TITLE 18, SECTION 1001), AND/OR REVOCATION OF ANY STATION LICENSE OR CONSTRUCTION PERMIT (U.S. CODE, TITLE 47, SECTION 312(a)(1)), AND/OR FORFEITURE (U.S. CODE, TITLE 47, SECTION 503).

SECTION 5301 (ANTI-DRUG ABUSE) CERTIFICATION:
The applicant must certify that neither the applicant nor any party to the application is subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes.

Does the applicant or authorized agent so certify?  Yes

Applicant/Agent Certification:

I certify that I am authorized to sign this application. All of the statements herein and the exhibits attached hereto, are true and correct to the best of my knowledge and belief. In accepting a Grant of Equipment Authorization as a result of the representations made in this application, the applicant is responsible for (1) labeling the equipment with the exact FCC ID specified in this application, (2) compliance statement labeling pursuant to the applicable rules, and (3) compliance of the equipment with the applicable technical rules. If the applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC's technical requirements.

Authorizing an agent to sign this application, is done solely at the applicant's discretion; however, the applicant remains responsible for all statements in this application.

If an agent has signed this application on behalf of the applicant, a written letter of authorization which includes information to enable the agent to respond to the above section 5301 (Anti-Drug Abuse) Certification statement has been provided by the applicant. It is understood that the letter of authorization must be submitted to the FCC upon request, and that the FCC reserves the right to contact the applicant directly at any time.

Signature of Authorized Person Filing:  Yvette Liu
Title of authorized signature: 

Complete items below if agent signs the application:

Firm Name: 
First Name: 
Middle Name: 
Last Name: 
Line 1: 
Line 2: 
P.O. Box: 
City: 
State: 
Country: 
Zip Code: 
Telephone Number:  Extension: 
Fax Number: 
E-mail: 

Grants

FCC ID 2BB4N-ST02DUS TCB Grant #1

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

  Compliance Testing, LLC
1724 S. Nevada Way
Mesa, AZ 85204
Date of Grant: 07/13/2026

Application Dated: 07/13/2026
SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
B401-p, longgang tian'an digital park, huanggekeng
community, longcheng street, longgang district
Shenzhen, Guangdong,
China
 
Attention: Yvette Liu , Project manager

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:  2BB4N-ST02DUS
Name of Grantee:  SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
Equipment Class: Digital Transmission System
Notes: Interactive collaboration board
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.0037068  
CC MO 15C 2412.0  -  2462.0 0.1733804  

Output power listed is conducted. This device has 20 MHz and 40 MHz bandwidth mode. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.


CC: This device is certified pursuant to two different Part 15 rules sections.
MO: This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing.

FCC ID 2BB4N-ST02DUS EAS Grant #1

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
B401-p, longgang tian'an digital park, huanggekeng community, longcheng street, longgang district
Shenzhen, Guangdong,
China 		  Date of Grant: 07/13/2026

Application Dated: 07/13/2026
 
Attention: Yvette Liu , Project manager

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:  2BB4N-ST02DUS
Name of Grantee:  SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
Equipment Class: Digital Transmission System
Notes: Interactive collaboration board
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 0.0037068  
CC MO 15C 2412.0  -  2462.0 0.1733804  

Output power listed is conducted. This device has 20 MHz and 40 MHz bandwidth mode. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.


CC: This device is certified pursuant to two different Part 15 rules sections.
MO: This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing.

Mail To:


EA484052

FCC ID 2BB4N-ST02DUS TCB Grant #2

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

  Compliance Testing, LLC
1724 S. Nevada Way
Mesa, AZ 85204
Date of Grant: 07/13/2026

Application Dated: 07/13/2026
SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
B401-p, longgang tian'an digital park, huanggekeng
community, longcheng street, longgang district
Shenzhen, Guangdong,
China
 
Attention: Yvette Liu , Project manager

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:  2BB4N-ST02DUS
Name of Grantee:  SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Interactive collaboration board
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC 15C 2402.0  -  2480.0 0.0036308  

Output power listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.


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

FCC ID 2BB4N-ST02DUS EAS Grant #2

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
B401-p, longgang tian'an digital park, huanggekeng community, longcheng street, longgang district
Shenzhen, Guangdong,
China 		  Date of Grant: 07/13/2026

Application Dated: 07/13/2026
 
Attention: Yvette Liu , Project manager

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:  2BB4N-ST02DUS
Name of Grantee:  SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Interactive collaboration board
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 0.0036308  

Output power listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.


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

Mail To:


EA735032

FCC ID 2BB4N-ST02DUS TCB Grant #3

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

  Compliance Testing, LLC
1724 S. Nevada Way
Mesa, AZ 85204
Date of Grant: 07/13/2026

Application Dated: 07/13/2026
SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
B401-p, longgang tian'an digital park, huanggekeng
community, longcheng street, longgang district
Shenzhen, Guangdong,
China
 
Attention: Yvette Liu , Project manager

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:  2BB4N-ST02DUS
Name of Grantee:  SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
Equipment Class: Unlicensed National Information Infrastructure TX
Notes: Interactive collaboration board
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC MO 15E 5180.0  -  5240.0 0.0837529  
CC MO 15E 5260.0  -  5320.0 0.0781628  
CC MO 15E 5500.0  -  5700.0 0.086099  
CC MO 15E 5745.0  -  5825.0 0.08147  

Output power listed is conducted. This device has 20 MHz, 40 MHz and 80 MHz bandwidth mode. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.


CC: This device is certified pursuant to two different Part 15 rules sections.
MO: This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing.

FCC ID 2BB4N-ST02DUS EAS Grant #3

COPY FEDERAL COMMUNICATIONS
COMMISSION
WASHINGTON, D.C. 20554

GRANT OF EQUIPMENT
AUTHORIZATION		 COPY
Certification

SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
B401-p, longgang tian'an digital park, huanggekeng community, longcheng street, longgang district
Shenzhen, Guangdong,
China 		  Date of Grant: 07/13/2026

Application Dated: 07/13/2026
 
Attention: Yvette Liu , Project manager

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:  2BB4N-ST02DUS
Name of Grantee:  SHENZHEN ZHOUGUANG TECHNOLOGY CO.LTD.
Equipment Class: Unlicensed National Information Infrastructure TX
Notes: Interactive collaboration board
Modular Type: Does not apply
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
CC MO 15E 5180.0  -  5240.0 0.0837529  
CC MO 15E 5260.0  -  5320.0 0.0781628  
CC MO 15E 5500.0  -  5700.0 0.086099  
CC MO 15E 5745.0  -  5825.0 0.08147  

Output power listed is conducted. This device has 20 MHz, 40 MHz and 80 MHz bandwidth mode. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.


CC: This device is certified pursuant to two different Part 15 rules sections.
MO: This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing.

Mail To:


EA772958