Some copy / paste here from their website:
I opted to have a Compustar anti theft system with the instigated Drone technology.
Drone X1-LTE Smartphone Telematics module is the perfect solution. The Drone hardware uses the cell phone data network to relay information to the DroneMobile app on your phone and commands from the app back to your vehicle. If the shock sensor is triggered, a door opens or even something as simple as the ignition turns on, you get a notification on your Apple iOS or Android-based smartphone in a second or two. Based on those alerts, you can decide to check on your vehicle or alert the authorities.
It was something like $1,300 installed so a little on the expensive side but I don’t want to be looking for another TRX to replace it