Audio indoor station for video door intercom system VT38 Set. Up to three additional audio or video indoor stations can be connected to the indoor stations of the sets in a star configuration or in parallel using 4-wire technology. A direct connection of the audio indoor station to the door intercom is not possible. With handset and buttons for door opener and internal call. Fixed ring tone with adjustable volume. Power supply 12-15V DC. Dimensions: 80 x 200 x 68mm.
