FCC ID YZZGDS3727
Smart Door Station
by Grandstream Networks, Inc.
Grantee Code: YZZ Product Code: GDS3727
Latest application date: 2025-07-26
FCC ID Device Details
| FCC ID | YZZGDS3727 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | YZZ |
| Product Code | GDS3727 |
| 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 |
|---|---|---|
| 5745-5825 MHz | Original Equipment | 2025-07-26 |
| 0.125 MHz | Original Equipment | 2025-07-26 |
| 2412-2462 MHz | Original Equipment | 2025-07-26 |
| 13.56 MHz | Original Equipment | 2025-07-26 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-01-23 | PDF 1.5 MB |
| Internal photos | Internal Photos | 2026-01-23 | PDF 2.2 MB |
| External photos | External Photos | 2026-01-23 | PDF 1.9 MB |
| ID label and location | ID Label/Location Info | 2025-07-26 | PDF 861.7 KB |
| Test setup photos | Test Setup Photos | 2026-01-23 | PDF 537.1 KB |
| Test setup photos | Test Setup Photos | 2026-01-23 | PDF 5.5 MB |
| Test setup photos | Test Setup Photos | 2026-01-23 | PDF 778.3 KB |
| Antenna specification | Test Report | 2025-07-26 | PDF 798 KB |
| Test reports | Test Report | 2025-07-26 | PDF 1.4 MB |
| Test reports | Test Report | 2025-07-26 | PDF 2.2 MB |
| Test reports -1 | Test Report | 2025-07-26 | PDF 5.5 MB |
| Test reports -2 | Test Report | 2025-07-26 | PDF 5.1 MB |
| Test reports -3 | Test Report | 2025-07-26 | PDF 4.2 MB |
| Test reports BLE | Test Report | 2025-07-26 | PDF 5.4 MB |
| Test reports WiFi-1 | Test Report | 2025-07-26 | PDF 4.4 MB |
| Test reports WiFi-2 | Test Report | 2025-07-26 | PDF 2.6 MB |
| Attestation Statement | Attestation Statements | 2025-07-26 | PDF 125.1 KB |
| Kaspersky Cybersecurity Software | Attestation Statements | 2025-07-26 | PDF 175.1 KB |
| US Agent | Attestation Statements | 2025-07-26 | PDF 90.1 KB |
| US Agent TCB validation result | Attestation Statements | 2025-07-26 | PDF 720.6 KB |
| Letter Authorization | Cover Letter(s) | 2025-07-26 | PDF 65 KB |
| Request_for_Confidentiality | Cover Letter(s) | 2025-07-26 | PDF 173.7 KB |
| Software_Configuration_Control | Cover Letter(s) | 2025-07-26 | PDF 61.9 KB |
| RF Exposure | RF Exposure Info | 2025-07-26 | PDF 775.5 KB |
| Block Diagram Metadata only | Block Diagram | PDF 240.9 KB | |
| Schematics Metadata only | Schematics | PDF 304.5 KB | |
| Operational Description Metadata only | Operational Description | PDF 380.6 KB | |
| NII devices declaration Metadata only | SDR Software/Security Info. | PDF 115.5 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 170.6 KB |
Application Information
| Application ID | yFAjMsJVvGll+MYBI08sFA== |
|---|---|
| Final Action Date | 2025-07-26 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0020352431 |
| Model | GDS3727 |
| Frequency Range | 5745-5825 MHz |
| Equipment Class | NII - Unlicensed National Information Infrastructure TX |
| 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 |
| Non-Technical Contact | Billy li, Shenzhen UnionTrust Quality and Technology Co., Lt, billy.li@uttlab.com , 0755-28230888 |
| Test Firm | George Luo, Shenzhen UnionTrust Quality and Technology Co., Lt, quality@uttlab.com , 86-755-28230888 |
| TCB Email | elabscert@applus.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 01/23/2026 |
| 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 |
| Grant Comments | 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. This device complies with the Dynamic Frequency Selection (DFS) requirements of KDB 905462 D03 as a Client only without Radar Detection. The device contains 20MHz and 40MHz bandwidth. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| yFAjMsJVvGll+MYBI08sFA== | 2025-07-26 | Original Equipment |
| nOH3BDZASCjT0MgPM++vqQ== | 2025-07-26 | Original Equipment |
| Xoea8JpuQQ1jb28SrgZ1kw== | 2025-07-26 | Original Equipment |
| 9xTpZkM8Lz0zYd+T15JSvg== | 2025-07-26 | Original Equipment |
| 2oItcKnX0lu3Ny4pf4/qXQ== | 2025-07-26 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application yFAjMsJVvGll+MYBI08sFA==
| 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: 07/26/2025 Application Dated: 07/26/2025 |
| 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: | YZZGDS3727 |
| Name of Grantee: | Grandstream Networks, Inc. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | Smart Door Station |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.07998 | ||
| CC MO | 15E | 5260.0 - 5320.0 | 0.08091 | ||
| CC MO | 15E | 5500.0 - 5700.0 | 0.09204 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.06209 |
| 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. This device complies with the Dynamic Frequency Selection (DFS) requirements of KDB 905462 D03 as a Client only without Radar Detection. The device contains 20MHz and 40MHz bandwidth. |
| 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. |
TCB Grant - Application Xoea8JpuQQ1jb28SrgZ1kw==
| 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: 07/26/2025 Application Dated: 07/26/2025 |
| 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: | YZZGDS3727 |
| Name of Grantee: | Grandstream Networks, Inc. |
| Equipment Class: | Part 15 Low Power Transmitter Below 1705 kHz |
| Notes: | Smart Door Station |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 0.125 - 0.125 |
| 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 nOH3BDZASCjT0MgPM++vqQ==
| 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: 07/26/2025 Application Dated: 07/26/2025 |
| 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: | YZZGDS3727 |
| 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 9xTpZkM8Lz0zYd+T15JSvg==
| 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: 07/26/2025 Application Dated: 07/26/2025 |
| 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: | YZZGDS3727 |
| 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 | 0.00762 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.12823 |
| 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. The device contains 20MHz and 40MHz bandwidth. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 2oItcKnX0lu3Ny4pf4/qXQ==
| 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: 07/26/2025 Application Dated: 07/26/2025 |
| 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: | YZZGDS3727 |
| 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 | 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. |