The AIS350 is a receive-only AIS device that allows you to receive and display the AIS data transmissions from nearby vessels right on your Raymarine multifunction displays radar or chartplotter screen. Dual channel receivers – AIS vessel monitoring of class A and B transmissions. SeaTalk ng networking for simple integration with a, c, e, eS and gS Multifunction Displays. USB 2.0 port for plug-and-play connection to PC based navigation systems. Built-in NMEA multiplexer simplifies integration with legacy Multifunction Displays, VHF radios and 3rd party devices. Front-facing multicolor LED indicator for system status and diagnostics. Rugged, water resistant (IPX 2) enclosure designed for easy installation.