Max out the memory in your GPS unit with this data card. Holds up to 512 megabytes of data from MapSource CD-ROMs so you can download a ton of street-level map detail, points of interest, business addresses and phone numbers, topographic information and more.
Compatible only with GPSMAP 276C, 296, 376C, 378, 396, 478, 496.
Avionics - GPS - Accessories - GARMIN - Data Cards
