I have a viper 5906v with smart start cellular module, gps tracker module, tilt sensor, glass sensor. it is a color oled fob with 1 mile range, viper phone app. I can be in Africa and start my car here, lock, unlock, pop the rear hatch. I have had this system and the previous models since smart start came out and baring a couple of minor glitches (on previous models) it works great.
if the alarm is triggered it signals the fob which has sound and vibration, and sends me a alert thru the app and records the alert in the app. the only thing I don't like about it is the current fob buttons are very sensitive and will depress in your pocket if you have it in a pocket with anything else, it does have a keylock option which helps but it will still buzz at you if the buttons are depressed in your pocket. a little annoying sometimes till you move it a little but I'd rather that happen then go out to a ****** up truck because some tweaker had to have my dvd system or wheels. on my old nbs if they ripped out the system usually it would cost another $500 to have the shifter fixed on top of anything else. it's not cheap to have installed and there is a yearly subscription for the smart start but it's worth it to me. I had mine set to sound both the viper alarm and the truck horn and I have added a internal high decibel siren (somewhat like a **** alarm) so even if your dead asleep it will wake you up and half the neighborhood.