The GPSMAP2108Plus is a button-operated marine chart radar with an 8-inch SVGA high-resolution display that supports BeiDou, GPS and GLONASS satellite navigation systems. Pre-set the worldwide basemap and support BlueChart G2 and BlueChart G2 Vision to expand the chart for more information. Built-in NMEA0183 communication interface, easy to expand your navigation system. The GPSMAP2108Plus supports GMR^TM Series radar over a network connection, plug and play, easy to install, and shares data and information with other compatible devices connected to the network.