Garmin GPSMAP 521S

This GPSMAP 521S Dual Frequency Combo, manufacturered by Garmin, is listed with an MPN of 010-00760-01. eatures an ultra-bright 5 QVGA display along with an improved high-speed digital design for faster map drawing and panning speeds. Plus these waterproof units have a high-sensitivity internal GPS receiver so mariners will always know their position at sea. It's ready to go with a built-in satellite enhanced worldwide basemap and Garmin's proven easy-to-use interface designed to help mariners navigate the open waters with ease. Minimize