This plastic transom mount can be used to replace the dual frequency transducers included with many Garmin units.
The 500 W 6-pin transducer has a maximum depth of 1,500 ft; an operating frequency of 50 to 200 kHz; a beamwidth of 40 to 10 degrees; and mounts on a 0 to 70 degree transom.
Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat.

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Refer to Manual