• OpenDuplex^®

Digital 2-wire door station module with DSP technology. Relay output for direct connection to a door opener. One input for floating contacts (e.g. for "Door Open" message). With extension interface for optional connection e.g. of Series ER 800 Access Reader Module or Option Board EB2E2AHE. Typical application: Use as speech Intercom solution for doors and shutters, barriers and turnstile gates. Versions for flush-mounting, surface-mounting, and for integration into columns, plinths and letterbox systems.

Electret microphone; power supply via Intercom Server; Class “D” amplifier; loudspeaker with special membrane for optimum sound quality.