ECHOMAP™ UHD2 54cv with GT20-TM Transducer and Garmin Navionics+ U.S. Coastal & Great Lakes Mapping

Garmin Navionics+ chart card provides detailed marine and inland waterway mapping on a preloaded microSD card for use with compatible Garmin chartplotters and fishfinders, including depth contours, marina information, tides, and current data.