A GSM dialler is a device that can be connected to your alarm control panel.It is highly useful if you don’t have a land line present as this module, combined with a sim card will allow communications with the outside world. Your alarm will use this device to call you in the case that your alarm is triggered. It is becoming more and more common as people reduce their reliance on the home phone line.
This device requires a sim card. If you’re after a cost effective sim card, we recommend Aldi mobile sim card – only $5 with 365 day expiry. It also uses the telstra network. https://www.aldimobile.com.au/