The most powerful in-hull for the GSD™ 22, the 6-pin transducer has a depth of 2,500 to 4,000 ft; an operating frequency of 50 to 200 kHz; a beamwidth of 8x17 to 5 degrees; and a 0 to 22 degree deadrise.
Transducer kit comes with installation instructions¹. Follow the instructions carefully to avoid damaging your boat.
¹Hull should be no more than 1.5" thick
T.b.v. GPSMAP 720s, GSD 22 Digital Remote Sounder
Art. nr. 010-10643-00