The most frequently asked questions by customers, dispatchers or dispatch managers is “Where is Trailer number ...XXX...?”. This happens when there is no reliable trailer gps security system is in place. trailer gps security system is a system that can be used to track your Trailers in real time. Real time means when your dispatcher thinks about a Trailer then he/she knows where it is right now. Efficient Trailer tracking is not possible without state-of-the-art GPS Tracking Devices and an intelligent trailer gps security software. There are thousands of types of GPS tracking devices and softwares available in the market. It is a tedious homework to choose the best one.