DSC WTK5504 Compatible Cellular Security Systems
DSC SCW457AATNT
Impassa with AT&T 3G Alarm.com Cellular Communicator, No Transformer
DSC SCW45TAAT
Impassa w/ Z-Wave Ready, AT&T Cellular Communicator
DSC SCW45TVZ
Impassa Security System w/ Z-Wave Ready, Verizon CDMA Cellular Communicator
DSC SCW457AIAT
Impassa w/ Z-Wave Ready, AT&T 3G Cellular Communicator & Image Sensor Module