Turns your RT-9 GPS Tablet into a powerful sonar
Dual Beam 8°/20° transducer and sonar module
Displays open water location, depth, & temperature
Compatible with transom and trolling motors
Includes 20' transducer cable
Turn your RT-9 GPS Tablet into a high-powered open-water sonar with the RT-9 Sonar Module Open Water Transducer from MarCum. This Dual Beam 8°/20° Open Water transducer and Sonar Module allows connectivity to RT-9 GPS Display for open water location, depth, and water temperature readings. Compatible with both transom and trolling motor applications. Includes 20' transducer cable.