Raymarine's new AIS650 AIS transceiver brings best-in-class AIS features and performance in a rugged new enclosure that's 50% smaller than previous generation AIS transceivers. The Class B AIS650 transmits your boat's navigational status data to other nearby AIS users and also receives and plots their postions on your radar and chart displays automatically. The AIS650 replaces the AIS500 in the Raymarine product line.Engineered for seamless integration with Raymarine MFD products, the AIS650 offers unparalleled connectivity options including simultaneous Seatalkng, NMEA0183 and PC USB 2.0. AIS650 also includes a 50-channel RAIM compliant GPS receiver for outstanding accuracy. Other new AIS650 features include: Hardware and Software selectable silent mode SD card slot for AIS data recording and configuration Front-facing LED status and diagnostic indicator