July 15, 201015 yr We need a 4 zone fire and intruder alarm which can provide a remote alarm via sms/gsm or Internet as we have no BT phone line within the building.
July 15, 201015 yr You can use a redcare secure or dualcom gprs unit in wireless only mode. Alternativly you can use a gsm based dialler etc, ie the menvier sd3
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