Video intercom Grandstream GDS3725, 4 MP, H.264, IP66/IK10, 3 W speaker, SD up to 256 GB

The Grandstream GDS3725 is a 4 MP Smart IP Video Door Station designed for outdoor access control, video intercom communication, and security recording. It integrates a high-definition 1/3" optical sensor with H.264 support and records up to 30 fps. The unit includes a 3 W speaker, dual microphones with AI noise reduction, and supports local storage via microSD card up to 256 GB. The housing provides IP66 weatherproofing and IK10 vandal resistance for reliable operation at entrances, gates, and other secure access points.

Advantages

The device combines an Ultra HD camera with AI image processing (AI ISP) and an AI intelligent fill light to improve image quality in varied lighting. It offers multiple door-opening methods such as PIN codes, RFID cards and stickers, NFC, Bluetooth, SecureAccess app, QR codes and SIP calls, and it resists magnetic interference using a Solid State Relay. Management is available through Cloud, the SecureAccess app, or GDS Manager software. Built for outdoor use, the GDS3725 supports wired power via DC or PoE and provides robust codecs for two-way audio communication.

Suitable for

• Residential building entrances
• Commercial premises and office entry points
• Gated communities and perimeter gates
• Secure facilities requiring local recording

Key specifications

• Image sensor: 4 MP, 1/3" optical sensor
• Video codec: H.264
• Frame rate: up to 30 fps
• Audio: 3 W speaker; supports G.711, G.722, G.726-32, G.729 codecs
• Storage: microSD card support up to 256 GB
• Network: IP-based connectivity; supports SIP calls
• Wireless: Bluetooth Low Energy (BLE) 5.0
• Environmental protection: IP66 weatherproof
• Vandal resistance: IK10
• Power: DC or PoE
• Color: Grey

How to use

Install the GDS3725 at the desired outdoor access point following local electrical and mounting regulations. Connect network and power via PoE or DC as required, insert a formatted microSD card if local recording is needed, and configure network settings and user credentials through the SecureAccess app, Cloud management portal, or GDS Manager software. Set up preferred door-opening methods (PIN, RFID, NFC, Bluetooth, QR, or SIP) and adjust camera and audio settings to suit the installation environment.

Recommendations

For optimal image quality, enable WDR and AI ISP when lighting conditions vary. Use PoE power for simplified cabling and reliable operation. Regularly back up important recordings from the microSD card and keep device firmware updated via the management software to maintain security and feature compatibility.