Hello Ive been asked to install a security alarm with a GSM card built in. Had a look at the premises and there is no BT point available. Haven't installed one with a GSM card before does anyone have any preferences on alarms and GSM cards? Its a warehouse 30m in length 15m width.
Have a look at Pyronix. They have a good range of panels and communications options. I think their mobile coms options come with a WorldCom SIM which switches network to maximise availability.
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