AIS receiver for ships (USB)
2RxPRO S.725 SevenStar Electronics

Just released at METS2009, the 2RxPRO is a TRUE DUAL CHANNEL AIS Receiver, with integral NMEA0183 mux and NMEA AND USB outputs. The unit features industry-leading, pro-quality sensitive digital radio receivers that monitor both AIS channels simultaneously, so you do not miss messages or have to wait for the data to be eventually received (as is the case with all single channel AND switched single channel receivers.) No setup is required - just install a suitable VHF antenna, 9-28v power (only 1watt at 12v) and connect to your PC or plotter using the USB and NMEA0183 outputs. And if you are running out of NMEA ports, the 2RxPRO can also take in a NMEA feed at 4800 baud from another instrument, and multiplex the data in with the AIS data going off to your plotter - so you don't even need another NMEA port to install it!
The 2RxPRO features a very robust, professional-grade water-resistant metal case, and integral power and NMEA cables to make installation as easy as it gets!