GT1C7 7" COLOUR VIDEO TENANT STATION FOR GT APARTMENT SERIES AIPHONE GT-1C7Overview The GT 1C7 is an audio video tenant station for the GT Series Multi Tenant Video Intercom system. It is equipped with door release and talk buttons. In addition, the station has a concierge security guard call button and an option button to control external devices, such as lights. The station also has PanTilt and Zoom control, as well asa light adjustment button for the PTZ camera at the entry. When a visitor calls, the tenant station rings