... send SMS to the molibe phone GSM Alarm Security System Main Features:Adopt GSM Cellular Network ... Remotes, or even remotely by phones.Arm/Disarm alarm system with siren (sound & flash) remindCheck door ... Alarm System, Wireless Zones, Basic Function.G70-GTGSM + PSTN Alarm System, Wireless Zones, Basic FunctionG70-GTWGSM + PSTN Alarm System, 8 hardwired zones, Wireless Zones, Basic Function. Alarm System ...