This Garmin GSD22 Sounder Module is a must-have for any fishfinder enthusiast. With its advanced technology and powerful performance, this module is perfect for locating fish and determining their size and depth. It is designed for use with Garmin brand devices and has a manufacturer part number of GSD22 gsd 22.Ideal for use in boats and other watercraft, this sounder module is perfect for those looking to enhance their fishing experience. It is easy to use and provides accurate and reliable readings, making it an excellent tool for any fishing trip. So why wait? Add this Garmin GSD22 Sounder Module to your collection today and start enjoying the benefits of advanced fishfinding technology!