Actisense PRO NMEA Buffer - 1 OPTO Input, 6 ISO-Drive Outputs, Serial Port, Pluggable Screw Terminals [PRO-NBF-1]PRO NMEA Buffer 1 OPTO Input, 6 ISO Drive Outputs, Serial Port, Pluggable Screw Terminals Safely connect one Talker to six Listeners with full isolation. The Type approved NMEA Buffer PRO NBF 1 Buffer isolates and buffers NMEA 0183 data, with the power to drive multiple devices. Able to distribute up to six identical, amplified streams of data from one source, the NMEA signals are buffered to ensure that each Listener receives the data at the required