Garmin GPSMAP1022XSV 10in Comb Basemap No TransducerMeet the Garmin GPSMAP 1022xsv 10 inch Comb Basemap an all in one navigation and sonar system designed for serious boaters who value clarity, speed, and connectivity. It ships without a transducer so you can pair it with your preferred CHIRP transducers for a tailored sonar setup. Display: 10 inch bright color display with 1024 x 600 resolution for clear maps and sonar views Navigation performance: 10 Hz GPS GLONASS updates position and heading 10