Including Power, Network and Transducer Cables but no transducer (but available from Garmin or may work with an existing Airmar transducer.)
The powerful GSD 22 digital sounder adds detailed sonar data to your compatible Garmin chartplotter over the Garmin Marine Network. Click on Additional Information.
Compatible GPSMap 2xxx, 3xxx, 4xxx and 5xxx chart plotters are listed here.
Priced at $100 plus Shipping ($15.00 Max).