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Turns your RT-9 GPS into a powerful ice sonar
Dual Beam 8°/20° Ice Ducer and sonar module
Includes transducer support arm
Turn your RT-9 GPS Tablet into a high-powered ice sonar with the RT-9 Sonar Module Ice Ducer from MarCum. This Dual Beam 8°/20° Ice Ducer and sonar module allows connectivity to RT-9 GPS display for the full feature set of MarCum's Digital Series Systems. Also includes transducer support arm.
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