... 1. No need fixed telephone lines, having GSM frequency is suitable to use. 2. Can ... your house: outside armed, stay armed,remote armed. 8. Learning code,easy to learn and add the wireless ... is off. 12.Main panel supports all kinds of wireless detectors, PIR, infrared balusters, smoke sensors, gas sensors ... 14.It is very suitable for cottage, house, shop, garage, company, wherever GSM Network is present.