The Garmin P66 is a plastic transom mount
transducer that provides depth and temperature data. This transducer has an operating frequency of 50 or 200 kHz and mounts on a 2 20 transom angle.
Garmin Airmar TM265LH Transom-Mount Transducer With Low/High
This Airmar TM265LH broadband transducer is designed to
allow both traditional and Spread Spectrum scanning when used with a compatible sonar like the GSD 26. The 1kW transducer features a plastic, transom mount design and provides depth and temperature data ...