GSM Modem Frequency: 850/900/1800/1900 MHz
Power Supply Voltage: 16-24V AC or 18-24V DC
Inputs: 6 (12 in ATZ mode). *Possibility to increase to 44.
Digital Outputs (PGM): 4. *Possibility to increase to 44.
Supported protocols: ADEMCO CONTACT ID
Dimensions: 140x100x18mm
Operating Temperature: -20...+55°C
Maximum number of wireless devices: 16
Radio transmitter-receiver frequency for wireless connection: 866.1 MHz - 869.5 MHz
Radio communication range for wireless connection: up to 30m indoors
Supported amount of keyboard: 1 EKB1