Bidirectional Radio Receiver, up to 50 wireless devices and 100 remote keys. Grade 2. Wireless transceiver with I-BUS interface for connection to SmartLiving and Prime series control panels. The Air2-BS200/50 device is capable of managing 50 field devices (detectors and magnetic contacts) and 100 KF100 remote keys. Air2-BS200/10 device is capable of managing 10 field devices and 30 remote keys. Air2-BS200 can also manage up to 4 Aria/W keypads and 4 Hedera sirens. Each field signal can be mapped to one of the available terminals in the central, as well as each radio control can be mapped in one of the proximity key rings of the SmartLiving and Prime centrals.