Garmin gWind TransducerGarmin gWind Transducer The Garmin gWind Transducer gives precise wind data for safer, smarter sailing. Featuring a three bladed propeller, this transducer delivers highly accurate True Wind Speed (TWS), even in lighter airs. Its twin fin design ensures a stable True Wind Angle (TWA), while the optic reading technology provides superior performance and excellent linearity at low wind speeds giving you the wind data you can rely on. Accurate True Wind