Garmin emitter GT52HW-TM (010-12405-00)

The GT52HW-TM transducer is ideal for freshwater anglers who want traditional CHIRP sonar plus CHIRP ClearVü and CHIRP SideVü scanning sonar. This transom-mounted transducer consistently displays clear, crisp fish arches, excellent target separation, and clear structure below and to the side of the boat.

The 12-pin transducer features wide-range traditional CHIRP sonar and is rated at 250 watts. The CHIRP ClearVü and CHIRP SideVü (455/800 kHz) elements are rated at 350 watts each (1050 watts total).

The GT52HW-TM is ideal for trolling motor mounting due to its compact size. Follow the included installation instructions carefully to avoid damaging your boat.

You can see the differences between transducers, possible options for their selection and installation in the link
https://www8.garmin.com/marine/PDF/transducer_selection_guide.pdf