ET 502

4-wire intercom module with microphone incl. amplifier. Prepared for connection of an external call button and a loudspeaker. Typical applications: Intercom stations in lifts and barriers, or for building of special stations. Omnidirectional electret microphone; power supply via central; connection for a loudspeaker greater than 16 Ohm.
Dimensions: W 55 mm, H 65 mm, D 35 mm
Weight: 50 g