The AIS system operates in the VHF maritime frequency band and can wirelessly exchange navigation status between the ship and the coastal traffic monitoring center. Ais650 is an AIS device for receiving only, allowing you to directly receive and display the AIS data transmission of nearby ships on the Raymarine multi-function display radar or chartplotter screen. Raymarines' new Ais650 Class B automatic identification (Ais) transceiver uses a package that is 50% smaller than the previous generation AIS transceiver, bringing first-class functions and performance to the crew. The new Ais650 is designed to seamlessly integrate with Raymarine multi-function displays and provides multiple connection options, including Sea Talkng, Nmea2000, Nmea0183 and Usb. This unprecedented flexibility makes Ais650 easy to integrate with all your in-vehicle electronic devices (including MFD). , Instruments, PC-based navigation systems, etc.