The easy, safe and low-cost way to connect NMEA 0183 system to a laptop PC (or any other device with a standard RS232 9-pin port).
PC-OPTO-3 Features
1 HS+ Opto Input
1HS+ NMEA Output (directly connected to PC, but tranzorb spike protected)
Up to 115200 baud
Self powered - takes power from PC port
Shielded cable