Reduce your risk of collision with this fully integrated, Class-B AIS transponder - essential for navigating today's busy shipping lanes and congested ports. Compact in size, lightweight, fully waterproof, with low power draw and featuring multiple connections, the NAIS 500 is ideal for networking with any HDS Carbon and HDS Gen3 systems. This NAIS-500 package comes with a GPS-500 antenna, 1.8m (6ft) NMEA 2000 network extension cable and a N2K-T-RD network T-connector. Networks with your Zeus or Vulcan series chartplotter / multifunction display and your marine VHF radio for a fully integrated system. Compatible with NMEA 2000�, NMEA 0183�, NMEA 0183� multiplexing and USB. Product contents: o NAIS-500 AIS Transceiver o GPS-500 Antenna o N2K-T-RD Network T-Connector o NMEA 2000 6ft Network Extension Cable