Grandstream GDS3702 HD Audio IP Intercom System delivers robust, reliable access control and communication for buildings of all sizes. Featuring integrated HD two-way audio with a built-in microphone and speaker, the GDS3702 enables clear SIP/VoIP communication, allowing direct calls to IP phones and seamless intercom functionality.

Housed in a durable metal casing with IP66-rated weatherproofing and vandal resistance, this intercom is designed for outdoor installations that demand security and resilience. The device supports Power over Ethernet (PoE IEEE 802.3af Class 3) simplifying setup by combining power and network into a single cable, with an optional 12V DC power input available.

Integration is easy with 2 relay outputs for controlling electric locks and alarm outputs, plus 2 alarm inputs for exit buttons and door sensors, enabling comprehensive security management. The GDS3702 is fully interoperable with Grandstream's GDS Manager software, IP phones, and the Wave mobile app, ensuring centralized, end-to-end access control and intercom solutions.

Key Features:

• High definition two-way audio communication up to 1.5m input and 3m output range


• SIP/VoIP support for calls to IP phones and intercom use


• Rugged metal casing with IP66 weatherproof rating and vandal resistance


• Integrated PoE (IEEE 802.3af Class 3) for network and power


• Multiple relay outputs and alarm inputs for electric locks and security sensor integration


• Compatible with Grandstream’s management software and ecosystem for complete control