Control panel with 2 wired inputs + 6 BUS inputs expandable to 28 (Wired/Bus/Wireless). PSTN interface RS485 serial bus interface for consoles/modules not included
Control panel with 2 wired inputs + 6 BUS inputs expandable to 28 (Wired/Bus/Wireless) GSM/GPRS interface Serial bus module, Integrated vocabulary+voice synthesis