FCC ID YZZGDS3725
Smart Door Station
by Grandstream Networks, Inc.
Grantee Code: YZZ Product Code: GDS3725
Latest application date: 2025-08-06
FCC ID Device Details
| FCC ID | YZZGDS3725 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | YZZ |
| Product Code | GDS3725 |
| Applicant Business | Grandstream Networks, Inc. 🇺🇸 |
| Related Domains |  grandstream.com  uttlab.com |
| Equipment Class | Smart Door Station |
| Test Firm | Shenzhen UnionTrust Quality and Technology Co., Lt |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-08-06 |
| 0.125 MHz | Original Equipment | 2025-08-06 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-02-02 | PDF 3.8 MB |
| Internal photos | Internal Photos | 2026-02-02 | PDF 4.7 MB |
| External photos | External Photos | 2026-02-02 | PDF 3.1 MB |
| ID label and location | ID Label/Location Info | 2025-08-06 | PDF 651.6 KB |
| Test Setup photo | Test Setup Photos | 2026-02-02 | PDF 585.2 KB |
| Test Setup photo | Test Setup Photos | 2026-02-02 | PDF 882.6 KB |
| Antenna Specification | Test Report | 2025-08-06 | PDF 305.7 KB |
| Antenna Specification | Test Report | 2025-08-06 | PDF 688.3 KB |
| Test report | Test Report | 2025-08-06 | PDF 2 MB |
| Test report | Test Report | 2025-08-06 | PDF 1.5 MB |
| Test report BLE | Test Report | 2025-08-06 | PDF 3.4 MB |
| Attestation_Statement | Attestation Statements | 2025-08-06 | PDF 124.9 KB |
| Kaspersky Statement | Attestation Statements | 2025-08-06 | PDF 622.8 KB |
| Product similarity Declaration | Attestation Statements | 2025-08-06 | PDF 238.2 KB |
| TCB_validation_US_agent_process | Attestation Statements | 2025-08-06 | PDF 697.7 KB |
| Us_Agent | Attestation Statements | 2025-08-06 | PDF 177.5 KB |
| Confidentiality | Cover Letter(s) | 2025-08-06 | PDF 127.4 KB |
| Letter Authorization | Cover Letter(s) | 2025-08-06 | PDF 64.8 KB |
| MPE | RF Exposure Info | 2025-08-06 | PDF 666.9 KB |
| Block Diagram Metadata only | Block Diagram | PDF 480.8 KB | |
| Schematics RFID Metadata only | Schematics | PDF 487.8 KB | |
| Schematics SENSOR Metadata only | Schematics | PDF 938 KB | |
| Schematics SSOP24 Metadata only | Schematics | PDF 43.8 KB | |
| Schematics WLED Metadata only | Schematics | PDF 551.5 KB | |
| Operational Description Metadata only | Operational Description | PDF 200 KB |
Application Information
| Application ID | xt2VIVzh1yUkx4jeQ2QGXA== |
|---|---|
| Final Action Date | 2025-08-06 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0020352431 |
| Model | GDS3725 |
| Equipment Class | JAB - Part 15 Class B Digital Device |
| Device Description | Smart Door Station |
| Responsible Party | Junwei Wang, pwang@grandstream.com , 1-617-5669300 |
| Technical Contact | Billy li, Shenzhen UnionTrust Quality and Technology Co., Lt, billy.li@uttlab.com , 0755-28230888-802 |
| Non-Technical Contact | Billy li, Shenzhen UnionTrust Quality and Technology Co., Lt, billy.li@uttlab.com , 0755-28230888-802 |
| Test Firm | George Luo, Shenzhen UnionTrust Quality and Technology Co., Lt, quality@uttlab.com , 86-755-28230888 |
| TCB Email | elabscert@applus.com  |
| TCB Scope | A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 02/02/2026 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| xt2VIVzh1yUkx4jeQ2QGXA== | 2025-08-06 | Original Equipment |
| bBBEnkCbPaBlASrWl/pcAA== | 2025-08-06 | Original Equipment |
| Z/iroHu1XygrTs6zsUwy2w== | 2025-08-06 | Original Equipment |
Grants
TCB Grant - Application Z/iroHu1XygrTs6zsUwy2w==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
LGAI Technological Center S.A. (APPLUS) Ronda de la Font del Carme, s/n <BR>P.O. Box 08193, Barcelona, Spain |
Date of Grant: 08/06/2025 Application Dated: 08/05/2025 |
| Grandstream Networks, Inc. |
| 126 Brookline Ave., 3rd Floor |
| Boston, MA 02215 USA |
| Attention: Junwei Wang , |
| 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: | YZZGDS3725 |
| Name of Grantee: | Grandstream Networks, Inc. |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Smart Door Station |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 0.125 - 0.125 | |||
| CC | 15C | 13.56 - 13.56 |
| The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End-users must be provided with operating procedures for satisfying RF exposure compliance. End-users must be provided with operating procedures for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application xt2VIVzh1yUkx4jeQ2QGXA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
LGAI Technological Center S.A. (APPLUS) Ronda de la Font del Carme, s/n <BR>P.O. Box 08193, Barcelona, Spain |
Date of Grant: 08/06/2025 Application Dated: 08/05/2025 |
| Grandstream Networks, Inc. |
| 126 Brookline Ave., 3rd Floor |
| Boston, MA 02215 USA |
| Attention: Junwei Wang , |
| 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: | YZZGDS3725 |
| Name of Grantee: | Grandstream Networks, Inc. |
| Equipment Class: | Part 15 Class B Digital Device |
| Notes: | Smart Door Station |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15B | - |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application bBBEnkCbPaBlASrWl/pcAA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
LGAI Technological Center S.A. (APPLUS) Ronda de la Font del Carme, s/n <BR>P.O. Box 08193, Barcelona, Spain |
Date of Grant: 08/06/2025 Application Dated: 08/05/2025 |
| Grandstream Networks, Inc. |
| 126 Brookline Ave., 3rd Floor |
| Boston, MA 02215 USA |
| Attention: Junwei Wang , |
| 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: | YZZGDS3725 |
| Name of Grantee: | Grandstream Networks, Inc. |
| Equipment Class: | Digital Transmission System |
| Notes: | Smart Door Station |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.00137 |
| 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. End-users must be provided with operating procedures for satisfying RF exposure compliance. End-users must be provided with operating procedures for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |