GSD 28 is a high-powered sonar module built for offshore sport fishing and provides crisp and clear fish targets down to extreme depths.. Operation Range The GSD 28 sonar module can operate in the 25 to 250 kHz frequency range. Built to Last GSD 28 is rated for harsh marine environments and water resistance with an IPX7 rating. In the Box: GSD 28 Power cable Garmin BlueNet™ marine network cable (6 ft) with legacy network adapter Field-installable adapter kit for the Garmin.
The Garmin GSD 28 is a high-powered sonar module built for sport fishing that allows you to reach further depths with superior clarity. Built-in outputs from 300 watts up to 3kW as well as RapidReturn sonar technology allow anglers a faster deep water scrolling capability with 2 to 6 times faster rate than the previous GSD 26 model offered.. Take your sport fishing to extreme depths with the Garmin® GSD™ 28 Sonar Module, a high-powered sonar module with features to improve your chances for success (transducer-dependent). Garmin