Our trackers are not the cheapest on the market. they are the most effective obd trackers we were able to find. What is the point of wasting your time trying to manage a field rep or delivery vehicle if the tracking information is spotty or inaccurate? Most of the obd devices currently on the market are using old technology. ours are able to get a gps signal where others can't and are able to transmit that location data when others can't get through. Finally it is possible to get full size gps tracker effectiveness with the simplicity of a plug in obd tracker.