The Simrad AT10 is no longer available; in its place is this one, among others: Navico NMEA0183 interface
Simrad AT10 Two way general NMEA 0183 to SimNet converter. Two way general NMEA 0183 to SimNet converter.
Connect your new NMEA2000 display to your old NMEA0183 network very easily with this converter. Together the micro-c simnet cable you can then still use the latest screens.
