Product class D, for a/b interfaces, 1 bell button, surface mounting.

Door intercom system designed for a/b interfaces - an elegant business card for visitors.

-Operation on the analogue extension connection of a brand's own or other communication system.
-Programming of numbers and basic functions via telephone.
-Name plate illumination without additional power supply.
-Switching contacts for door opener, ringing and light (bell transformer required).
- Visual status display for barrier-free communication according to DIN 18040.