FCC ID 2ADZC-5721R

Full-Duplex Wireless Intercom System

by Shenzhen Hollyland Technology Co.,Ltd

Grantee Code: 2ADZC   Product Code: 5721R
Latest application date: 2025-07-16

FCC ID Device Details

FCC ID2ADZC-5721R
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2ADZC
Product Code5721R
Applicant BusinessShenzhen Hollyland Technology Co.,Ltd 🇨🇳
Related Domains hollyland-tech.com
Equipment ClassFull-Duplex Wireless Intercom System
Test FirmBay Area Compliance Laboratories Corp (Shenzhen)

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
1921.536-1928.448 MHzOriginal Equipment2025-07-16
2402-2480 MHzOriginal Equipment2025-07-16

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2026-01-12PDF 1.3 MB
Internal Photos Part 1Internal Photos2026-01-12PDF 4.5 MB
Internal Photos Part 2Internal Photos2026-01-12PDF 5.3 MB
Internal Photos Part 3Internal Photos2026-01-12PDF 1.6 MB
External Photos Part 1External Photos2026-01-12PDF 4.4 MB
External Photos Part 2External Photos2026-01-12PDF 4.1 MB
Label & Label LocationID Label/Location Info2025-07-16PDF 383.6 KB
Test Setup PhotosTest Setup Photos2026-01-12PDF 2.1 MB
Test Setup PhotosTest Setup Photos2026-01-12PDF 2.6 MB
Antenna SpecificationTest Report2025-07-16PDF 882.7 KB
Antenna SpecificationTest Report2025-07-16PDF 369 KB
Test ReportTest Report2025-07-16PDF 3.3 MB
Test Report Part 1Test Report2025-07-16PDF 5.1 MB
Test Report Part 2Test Report2025-07-16PDF 2.8 MB
2.911 (d)(5)(i) Attestation StatementAttestation Statements2025-07-16PDF 78.8 KB
2.911 (d)(5)(ii) Attestation StatementAttestation Statements2025-07-16PDF 98.8 KB
Attestation LetterAttestation Statements2025-07-16PDF 113.8 KB
US Agent Attestation LetterAttestation Statements2025-07-16PDF 74.3 KB
DoS LetterCover Letter(s)2025-07-16PDF 198.6 KB
FCC Agent Authorization LetterCover Letter(s)2025-07-16PDF 78.5 KB
FCC Long and Short term Confidentiality RequestCover Letter(s)2025-07-16PDF 137.7 KB
RF ExposureRF Exposure Info2025-07-16PDF 132.8 KB
SAR ReportRF Exposure Info2025-07-16PDF 4.7 MB
Block Diagram Metadata onlyBlock DiagramPDF 189.6 KB
Schematics Metadata onlySchematicsPDF 2.9 MB
Operation Description Metadata onlyOperational DescriptionPDF 98.8 KB

Application Information

Application IDhougTS7l7+4WGkOtAAxEwQ==
Final Action Date2025-07-16
Application PurposeOriginal Equipment
Applicant FRN0024211138
Model5721R
Frequency Range1921.536-1928.448 MHz
Equipment ClassPUT - Part 15 Unlicensed PCS portable Tx worn on body
Device DescriptionFull-Duplex Wireless Intercom System
Responsible PartyVincent Ma, Sales Director, vincent.ma@hollyland-tech.com , +86-755-86000682
Test FirmNana Liu, Bay Area Compliance Laboratories Corp (Shenzhen), qa.sz@baclcorp.com , 86-755-33320018
TCB Emailbacl.regulatory@baclcorp.com
TCB ScopeA3: Unlicensed Personal Communication System (PCS) devices
Short-Term ConfidentialityYes
Short-Term Confidentiality Date01/12/2026
Long-Term ConfidentialityYes
Grant DeferralNo
Modular EquipmentDoes not apply
Composite DeviceYes
Composite PartYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo
Grant CommentsOutput power listed is conducted. The antenna(s) used for this transmitter must not be co-located with any other transmitters, except in accordance with FCC multi-transmitter product procedures. SAR compliance for body-worn operating conditions is restricted to the specified accessories described in this filing. End-users must be informed of the operating requirements for satisfying RF exposure compliance. The highest reported SAR for body-worn accessory and Simultaneous transmission are 0.01 W/kg and 0.25 W/kg, respectively.

Applications

Application IDDatePurpose
hougTS7l7+4WGkOtAAxEwQ==2025-07-16Original Equipment
1auI6ipKLKHLxi6F5StNww==2025-07-16Original Equipment

Equipment Authorization

FrequencyOutputGrant Notes
1921.536-1928.448 MHz0.0930000CC
2402-2480 MHz0.0050000CC

Grants

TCB Grant - Application hougTS7l7+4WGkOtAAxEwQ==

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

  Bay Area Compliance Laboratories Corp.
1274 Anvilwood Avenue
Sunnyvale, CA 94089
Date of Grant: 07/16/2025

Application Dated: 07/16/2025
Shenzhen Hollyland Technology Co.,Ltd
8F,Building 5D,Skyworth Innovation Valley,
Tangtou Road. Shiyan Street, Baoan District
Shenzhen, 518055
China
 
Attention: Vincent Ma , Sales Director

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:  2ADZC-5721R
Name of Grantee:  Shenzhen Hollyland Technology Co.,Ltd
Equipment Class: Part 15 Unlicensed PCS portable Tx worn on body
Notes: Full-Duplex Wireless Intercom System
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15D 1921.536  -  1928.448 0.093  

Output power listed is conducted. The antenna(s) used for this transmitter must not be co-located with any other transmitters, except in accordance with FCC multi-transmitter product procedures. SAR compliance for body-worn operating conditions is restricted to the specified accessories described in this filing. End-users must be informed of the operating requirements for satisfying RF exposure compliance. The highest reported SAR for body-worn accessory and Simultaneous transmission are 0.01 W/kg and 0.25 W/kg, respectively.

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

TCB Grant - Application 1auI6ipKLKHLxi6F5StNww==

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

  Bay Area Compliance Laboratories Corp.
1274 Anvilwood Avenue
Sunnyvale, CA 94089
Date of Grant: 07/16/2025

Application Dated: 07/16/2025
Shenzhen Hollyland Technology Co.,Ltd
8F,Building 5D,Skyworth Innovation Valley,
Tangtou Road. Shiyan Street, Baoan District
Shenzhen, 518055
China
 
Attention: Vincent Ma , Sales Director

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:  2ADZC-5721R
Name of Grantee:  Shenzhen Hollyland Technology Co.,Ltd
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Full-Duplex Wireless Intercom System
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.005  

Output power listed is conducted.

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