The GNX 21 is the first glass-bonded marine instrument with a combination of directly driven LCD segments and a dot-matrix field to display graphical information
minimizing the time it takes to select the pages you really need
Designed to meet the broader bandwidth requirements of all popular AIS transceivers
Easy to open by pulling the plunger pin (possiblity to attach a lanyard)
and features a convenient open end for easy insertion and a secure hook-and-loop closure
Garmin BlueChart g3 HD - HXUS029R - Southern Bahamas boat shields The GNX 21 is theBlueChart g3 HD HXUS029R Southern Bahamas microSD SD Coverage: Featuring data from Explorer Charts for the Bahamas. Detailed coverage from Eleuthera Island, Bahamas to the Dominican Republic, including the Bahamian islands of Great Exuma, Great Inagua, Mayaguana, and many others. Also includes detailed coverage of the Jamaican, Haitian, and Dominican coasts in their entirety, the easternmost quarter of Cuba, and the Turks and Caicos Islands.