Standard devices use 4800 baud (vessel speed, navigation data), while high-speed devices like AIS use 38400 baud .

to define how marine electronic devices exchange data. It was specifically updated to support

While version 4.11 keeps the standard current, NMEA 0183 has inherent limitations compared to NMEA 2000. NMEA 0183 (v4.11) 4800 / 38400 baud Topology Serial (point-to-point) CAN Bus (networked) Data Capacity Low (Limited sentences) Installation Complex wiring (many pairs) Simple (backbone)

fields to help receivers distinguish between different ranging signals from the same satellite. GNSS System IDs:

The standard specifies the following default serial port configuration for standard data transmission: