AIS100P Pro AIS USB Receiver. Value priced, high performance, dual channel black box AIS receiver with USB output. Now includes NMEA0183 input multiplex function - combines NMEA 4800 baud data with Ais data and makes all data available on the USB output. Supplied with Windows, Mac, and Linux driver disk. Requires connection to 12/24v supply and connection to suitable VHF antenna or splitter.