Aiphone IE-8MD 6 Call Master Intercom
Master Handset Master handset to communication with maximum two IE series door station. Door call-in is announce with either a two or four stroke chime and an LED indicator. The IE-8MD features a handset for private communication, selective door release control, chime volume control and selective calling to sub handsets (IE-8HD). Maximum five IE-8HD can be connected in a system.