The Grandstream GDS3702 is a robust audio IP intercom designed for secure facility access and communication in a variety of building environments. It delivers HD audio clarity, SIP support, and weatherproof protection, making it a reliable choice for voice-based entry control.

• HD audio with 1.5m input and 3m output range

• Two-way voice communication via built-in mic and speaker

• SIP call support to IP phones for remote access control

• Durable metal housing that is both weatherproof and vandal-resistant

• 2 relay outputs and 2 alarm inputs for integration with locks and sensors