Video intercom Grandstream GDS3727, 4 MP, H.264, IP66/IK07, SD up to 256 GB, 3 W speaker

Grandstream GDS3727 is an outdoor smart IP video door station combining an Ultra HD 4 MP camera, two-way audio intercom and access control features in a single unit. Designed for outdoor use, the device supports H.264 video, up to 30 fps, local recording to an SD card (up to 256 GB) and multiple voice codecs for clear communication. It provides weatherproof protection and vandal resistance suitable for residential and commercial entrances.

Advantages

The GDS3727 delivers high-resolution video with Wide Dynamic Range (WDR) and AI-enhanced imaging for reliable identification in varied lighting. Built-in dual microphones, a 3 W speaker and AI noise reduction improve two-way audio quality. The unit supports multiple wireless and wired connectivity options, including Bluetooth Low Energy 5.0 and dual-band Wi‑Fi 6, and can be managed via cloud, SecureAccess app or GDS Manager software. It also offers a broad set of door opening methods and AI-based behavior analysis for improved access control and monitoring.

Suitable for

• Residential main gates and entryways
• Small and medium business entrances
• Apartment building lobbies and shared access points
• Remote or unmanned sites requiring video verification and secure access

Key specifications

• Image sensor: 4 MP Ultra HD, 1/3" optical sensor
• Video codec: H.264; up to 30 frames per second
• Wide Dynamic Range (WDR) and AI ISP with AI Intelligent Fill Light
• Audio: dual microphones, 3 W built-in speaker, AI noise reduction, multiple voice codecs (G.711, G.722, G.726-32, G.729)
• Connectivity: Bluetooth Low Energy 5.0, dual-band Wi‑Fi 6, Ethernet (PoE and DC power options)
• Local storage: microSD card support up to 256 GB
• Environmental protection: IP66 weatherproof rating
• Physical protection: IK07 vandal resistance
• Supported access methods: PIN, RFID, NFC, Bluetooth, QR code, SecureAccess app, SIP calls

How to use

Mount the GDS3727 at the building entry according to installation guidelines, connect to power using PoE or the DC input, and establish network connectivity via Ethernet or Wi‑Fi. Insert a compatible microSD card for local recording if required. Configure the device using the SecureAccess app, cloud management interface or GDS Manager software to register users, set access methods (PIN, RFID, NFC, Bluetooth, QR codes, etc.), enable AI behavior analysis and adjust camera and audio settings. Ensure firmware is kept up to date and verify microphone and speaker operation during commissioning.

Recommendations

For reliable outdoor performance, install the unit under a small canopy or in a sheltered location when possible, maintain clear sightlines to the entry area, and use quality PoE cabling for stable network and power delivery. Regularly back up recorded footage from the microSD card and enable secure access controls and firmware updates to keep the system protected.