Best GPS Devices - Fixed Form Factor, Automobile Designation, Quadrifilar Helix Antenna

'USB computer interface makes it possible to add new programs and maps as well as store previous trips and data.'

'USB computer interface makes it possible to add new programs and maps as well as store previous trips and data.'

'Has an external antenna which is preferable for situations where open sky is limited.'

'This portable GPS navigator features a 256-color TFT display that's easy to read in bright sun along with a built-in basemap and auto routing to provide you with turn-by-turn directions to the marina for a day of boating.'