GSM Alarm Auto-Dialler UK Made Universal Dialler DVR PIR Remote Alerts 4 INPUTS
GSM AUTO DIALLER. Our AD-SD-W WIRELESS version has wireless capabilities to make it a standalone alarm using various wireless sensors. GSM Auto Dialler. GSM Alarms. GSM Intercom. GSM Frequency 850/900/1800/1900 (3G model) 2100Mhz.