Best GPS Devices - 2 to 4 inch Screen Size, Rural Travel, Serial RS-232 PC Interface, Quadrifilar Helix Antenna

'variable-use global positioning device'

'such a huge screen'

'variable-use global positioning device'

'such a huge screen'

'general purpose global positioning device'

'the navigation on the Rino 520 and Rino 530 are similar to the eTrex Vista C units, in that they come with installed base maps of the US, allows for user downloadable detailed maps, it performs auto routing, off route calculation, turn by turn directions with audible alerts, and has the ability to accept these downloads though a USB connection.'

'The Garmin Rino 530 and Garmin Rino 520 is waterproof to IPX7 standards and is WAAS capable.'

'Compared to other multi purpose GPS receivers on the market, it is midpriced at around $325..'

'decent size 2.7 inch'

'Compared to other multi purpose GPS receivers on the market, it is midpriced at around $325..'

'decent size 2.7 inch'

'The 315 is lightweight, at only 7 oz., and small, measuring 6.0" (h) x 2.0" (w) x 1.3" (d).'