Mad Macs I agree with cellular being the most secure, but the cost of adding a GSM unit to my existing system and then paying a $20 monthly fee to a cellular carrier for it to be able to call me is not cost effective for me right now. On top of that if you wanted it monitored by a Central Station they charge more monthly for cellular service.
Just my perspective.
Randy
I agree completely. I'm not sure which way I'm going now.
I'm too busy playing with insteon stuff and automating lights in my house. Each switch is expensive, but my kids can't seem to ever turn lights off in the morning and leave them on all day long when we're at school.