That said, it’s pretty easy to build using an Arduino, a GSM shield, a GPS system, and a handful of other components. The whole system is strapped and locked to the bottom of the saddle.

He didn’t sell his clients Arduinos + shields I hope. The SIM548C is a pretty cheap GPS+GSM/GPRS combo as well. Comes in SMT versions as well, and can be really cheap depending on how much ...