This sounds really interesting.
I have been using a particular tracker company for the last 6 years and of late am extremely unhappy with its service.
Initially, it was super duper efficient. Now for the last 2 years it has been .....
Anyway, I did a market survey and realised it is better to just put a SIM in the car than rely on these people.
But listen, if someone picks up the car and you want to jam it, does it work? Or is it only for location tracking?