The CruzPro NC20 is an 8-channel NMEA dialer that combines these signals into a single 4800 or 9600 bps NMEA output (Selectable).
When you need to get more data into a single port, this combiner is the ideal solution. Power supply 12/24 Vdc absorption less than 0.08 Ampere.
CruzPro NC20/8 - NMEA 8-Channel Dialer331,00€
A series of original and useful tools contained in a box that is also suitable for installation in the engine room.