SIM CARD: Needs a focused details sim for that SMS messages,place it while in the rear slot of the principle alarm box.can incorporate 6 groups preset alarm contact number and 3 teams sms phone number The difference between an FACP and annunciator panel is always that FACP is the leading https://www.firesense.co.uk/type/conventional-fire-system/conventional-fire-alarm-control-panels/