Dual band GSM communicator (900/1800 MHz) with built-in keypad and display. 2 alarm inputs, 20 storable phone numbers, 2 voice messages for signalling alarm events and a message address for system identification. Possibility of sending text messages, voice messages or both for each number stored. 4 open collector outputs that can be activated remotely via SMS, DTMF tones or remote control function (output is activated with a simple call to the communicator via a number stored in the phonebook. Remote activation function free of charge) with notification that activation has taken place. Event memory (last 50 events). Programming using the keypad and display, text message or PRGSM programming kit. No SIM provided. 12 V DC power supply. Takes 3 x AA 2.1 Ah - 1.2 V BB022 buffer batteries. Current draw at rest 150 mA, during transmission 400 mA. Operating temperature -5/+40°C. IP40 protection rating. Dimensions 260x130x42 mm.