C-5 One Cable Video Door Phone System
- C-5 system bases on the traditional analog intercom systems while integrating their advantages. Only single Cat-5 used for wiring makes both the wire cost down and installation efficiency hoist up at least by 60 percent. Moreover, the system also integrates the network intercom, information transmission, and emergency alarm functions. C-5 features convenient installation, economical cost, reliable performance, safety quality, together with the compatible and extensible system design.