The stainless steel door intercom system from Auerswald sets new design accents on your door. Large buttons with integrated,
Energy-saving LED lighting guides visitors safely to their desired destination. An existing Auerswald installation
can be easily upgraded to the TFS-Dialog 300 and thus brought up to the latest state of the art.
The door intercom system is simply screwed onto the existing flush-mounted box. A suitable flush-mounted box is supplied for new installations.

- Operation on the analogue extension connection (a/b port) of a telephone system from Auerswald or other manufacturers
- 4 large bell buttons
- Energy-saving LED lighting, with continuously adjustable color tone (cold white to warm yellow)
- Two sensitivity levels for loud/quiet environments
- Programming of phone numbers and basic functions via telephone
- Switch contacts (wear-free) for door opener, bell or light (bell transformer required)
- Additional switching options through optional a/b switching modules