The Furuno PB150 Weather Station puts important weather information on your RD-30 Nav Data Repeater. The PB150 has a built-in anemometer to give you true and apparent wind speed and direction. Internal sensors provide barometric pressure and air temperature. The PB150 features fully electronic probes eliminating potentially troublesome moving parts. The PB150 also has a built-in GPS to utilize it as a backup GPS sensor and to display Lat/Lon and compass heading on the RD-30. The PB150 has a standard 1" mount to fit your existing hardware. The PB150 comes with a 15-meter interconnect cable to transfer data and power the unit. NMEA 0183 compatible. 5.8"H x 2.8"W x 2.8"D.