"AIS RADARThe Nasa Marine AIS radar is the first stand alone AIS receiver / plotter specifically designed for the leisure boat market. The display, with ranges of 1, 2, 3, 8, 16 and 32 nautical miles shows AIS carrying vessels in a format normally associated with conventional radar. A trail of previous positions clearly shows the relative track of all the targets on the screen. A box on the right of the screen displays the speed over the ground, the vessel name, mmsi number and the latitude and longitude of any target selected by the user. The compact unit has a white backlit LCD display, operates from 12 volts and consumes little power. The Nasa Marine Ais Radar is easy to use. Technical Data: * Uses standard marine VHF antenna * 161.975 and 62.025 MHZ operation *Uses standard nmea 0183 GPS Input *Consumption 50mA at 12v (100mA with backlight) *Dims: W 150mm, H 112mm, Depth 42mm"