Wireless Trans-receiver with I-BUS interface for connection to Smart-Living series control-panels. The Air2-BS100/50 is capable of managing 50 devices (IR 100 PIRs and MC 100 magnetic contacts) and up to 100 KF 100 wireless key-fobs; the Air 2-BS 100/30 is capable of managing 50 devices and 50 key-fobs.Each device can be mapped to a terminal on the control panel, in the same way as each-key-fob can be mapped to a Smart-Living control panel Tag.