The Navionics CF/NAV-U-W 2GB Worldwide Update CF Card is a convenient and economical method for current owners of chart cards to update their charts and access all Navionics+ features and capabilities. Eligible products include Navionics Silver, Gold, HotMaps Premium, Navionics+, Marine & Lakes USA and SonarChart for Garmin GPS, as well as cards from Fishing Hot Spots, C-MAP, LakeMaster, Garmin, TrakMaps, and Lowrance.

Enjoy detailed Nautical Chart, SonarChart HD bathymetry map, and Community Edits, plus one year of Freshest Data updates! Just plug your card into your PC/Mac, activate it by inserting another compatible card, and then download the most updated charts anywhere in the world. 2GB card and USB reader included.