Basemap Yes Card Format SD Cartography – Preloaded No Cartography Brand C-Map Cartography Type C-Map 4D GP1870F GPS Chartplotter/FishfinderIf you’re looking for the finest color GPS unit available, take a look at a chartplotter from Furuno. The fully integrated GP1870F GPS/Chartplotter/Fishfinder is compact, waterproof and durable. This unit delivers highly accurate data and crystal-clear pictures on its 7″ color bonded LCD screen. Fast, powerful and easy to use, the GP1870F incorporates the best of Furuno’s […]