This product is either discontinued or we cannot get that from suppliers.
Garmin 010-01960-01 GT20-TM, Power: Traditional 500 W; ClearVu 500 W, Beamwidth: Traditional 45°/15°, ClearVu: 2.5°x53°@ 455 kHz and 1.6°x29° @ 800 kHz, Number of pins: 8-pin, Cable length: 20 ft.
For the shallow water anglers who wants traditional and CHIRP ClearVu scanning sonar, this transom or trolling motor mounted transducer consistently displays fish arches as well as clear pictures of objects.