GSM module frequency: 850/900/1800/1900 MHz
Supply voltage: 10-24V AC/DC
Inputs: 3
Relay Output: 1 (2 relays output optional)
Output type: NO (relay)
C1 output maximum commutating values: 1A/24V DC; 0,5A/125V AC
Dimensions: 70x85x57mm
Operating temperature range: -20...+55°C (-30...+55°C with limitations)
Number of administrators: 5
Number of users: 500 (up to 2000 optional)
Event Buffer: 1000