Actisense NMEA Buffer NBF-2 Instruments Autopilot Sailboat Boat RS422 NMEA0183In perfect working condition with warranty. You will receive what you can see in the photos. The Actisense NBF 2 galvanically opto isolates and buffers NMEA 0183 data to drive multiple NMEA devices, such as chart plotters and radars. It is ideal for safely interfacing an on board PC to NMEA 0183 equipment on a vessel. Designed for use with all NMEA 0183 input and output types (RS422, RS485 and RS232), the NBF 2 produces an amplified copy on each of
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