GSM interface for VX2200 system, 4G/3G/2G connection. Allows you to make a call from an outdoor station to any landline or mobile phone number. The interface module connects directly to the bus via 2 wires and is compatible with the entire VX2200 range of both traditional and digital outdoor stations. 2 auxiliary inputs with dry contacts, 1 bus port RS-485, 1 micro-USB port. Up to 3,000 users with dial to open function (call to open). 8.000 log events in local and unlimited with remote access. Configurable through the GSMPRO software or via SMS. Requires antenna cod. 434. Power supply via BUS VX2200, 9 DIN modules.