The Garmin GPSMAP 545s Chartplotter with Dual Frequency Transducer provides a versatile chartplotter with the sharpest, most colorful graphics you’ve ever seen on a 5-inch screen. With plenty of built-in functionality and compatibility for upgrades or expansions, the 545s is the perfect companion for any boater looking to get out on the water and start exploring, or to simply plot a safe course from point A to point B. The Garmin 545s chartplotter uses a […]