Garmin Airmar TM265LH

The Garmin 010-12378-20 is a plastic transom mount transducer that performs well in deep water and provides exceptional bottom and water column detail. The best performing 1 kW transom mount this transducer has a maximum depth of 3 000 feet an operating frequency of 42 to 65 kHz ...The Garmin 010-12378-20 is a plastic transom mount transducer that performs well in deep water and provides exceptional bottom and water column detail. The best performing 1 kW transom mount this transducer has a maximum depth of 3 000 feet an operating frequency of 42 to 65 kHz and 130 to 210 kHz a beamwidth of 16 to 25 degrees or 6 to 10 degrees and mounts on a 3 to 21 degree transom.