The AISLink CB2 AIS Transponder is a waterproof Class B Transponder designed to prevent collisions. Utilizing advanced SOTDMA technology and multiple GPS channels, this transponder provides accurate vessel information to other AIS-equipped vessels within range. Programming and installation are made easy with a free mobile app and various communication outputs. A leader in marine safety, ACR offers the AISLink CB2 for both professional and recreational use. Features include a user-programmable interface and guaranteed time slot reservations. The package comes with all necessary components and is sold individually. Please contact the manufacturer for any inquiries.