Garmin Transom Mount Depth/Temp 50/200kHz - 8-PinGarmin Transom Mount Depth Temp 50 200kHz 8 Pin Upgrade your Garmin sonar with a robust transom mount depth and temperature transducer designed to replace the dual frequency models that come with many Garmin units. This 8 pin, 500 W transducer delivers reliable depth readings down to 1,500 ft and accurate water temperature data, so you can stay on top of the action below the surface. Dual frequency performance: 50 kHz and 200 kHz operation for