Si-Tex Metadata Dual Channel AIS Receiver. 5"X3.9"X1.9") module that is IPx7 Waterproof rated for flexible location and rugged performance in any marine environment. The new Metadata Dual Channel AIS Receiver module features the next generation Rmax AIS technology with lightning-fast processing to maximize reception range and ensure that all incoming AIS messages are received and fully decoded in real time. This overcomes performance issues with yesterday's first generation AIS systems in real-world marine situations - and the advantages of Rmax technology will become even more important as the number of AIS-equipped vessels increases in the future. Designed for plug-and-play integration with chart plotters radars onboard PCs and other marine electronics the Metadata Dual Channel AIS Receiver has built-in NMEA0183 and NMEA2000 interfaces as well as a USB interface that can be used to power the device. Features of Si-Tex Metadata Dual Channel AIS Receiver: Power 12 to 24V DC Power consumption: 150mA at12VDC