i have a imate k-jam and a socket communications gps receiver running tom tom. i can pair other devices with the phone but after pairing the gps and starting tomtom it starts for 1 session and after tomtom is restarted the gps is lost and i have to repair the device with the phone. what is the problem of bt gps keep resetting iteself ? what best priced portable GPS can you recommend to solve the problem? i want to replace this gps