Furuno Sensor f/FI50 TM DST Smart. The DST-800PWF is a NMEA2000 device. The 11 degree beam is able to find bottom even when installed on high deadrise hulls or on sailboats. Specifications for Furuno Smart Sensor f/FI50 TM DST: Manufacturer: Furuno Color: Black Features of Furuno Smart Sensor f/FI50 TM DST Airmar's speed signal processing for stable and high accuracy speed readings from 1-60 MPH Molded Plastic P66 Housing 235 kHz Depth Speed and Temperature (+/ - 1 degree ) 6-Meter Cable with 5-Pin NMEA2000 Connector Package Contents: Furuno Smart Sensor f/FI50 TM DST Furuno DST-800PWF: Sensor f/FI50 TM DST Smart