Nauticast B, Class B-AIS Transponder. The Nauticast-B transponder is a plug and play AIS solution complete with GPS receiver and AIS Antenna. Enjoy the benefits of the AIS system knowing larger commercial vessels are aware of your position increasing your personal safety while navigating at sea. Unlike receive only AIS devices, which do not transmit vessel information to surrounding traffic, the Nauticast-B system allows you to virtually participate in neighboring vessels maneuvering activities for collision avoidance. Announce your identity, position, speed and course over ground to oncoming traffic allows for increased security that you will be seen in low visibility conditions. Avoid not being seen because of extreme weather environments. Generate a safety distress message to surrounding AIS equipment, including vessels, base-stations, and possibly SAR teams. All in all, it is a horizon expanding experience; especially in combination with an electronic chart system. Features: * Small in Size * Plug and Play * Transmits and Receives * Water Resistant * Remote SRM Switch * GPS Receiver