When simultaneous connection to both a PC and a NMEA 0183 device is preferred, a Actisense NDC-4-AIR multiplexer is required. The Weather Station instrument attaches to the NDC-4 multiplexer's included 1.8m (6') USB lead outputs the data to a PC. The installer supplies the desired length NMEA output cable and battery power lead. Also, the NDC-4-AIR multiplexer allows for 4 additional inputs of devices ranging from GPS to AIS.
Fits: All Airmnar Weather Stations, H2183, G2183 and GH2183 compass and heading sensors.
Mounting Dimensions: 80 mm x 82 mm (3,14" x 3.21")