
Garmin GSD28 Sonar Module
Garmin GSD28 Sonar ModuleModel: 010-02797-00 High-powered sonar black box engineered for superior sport fishing at extreme depths Next-generation xCHIRP sonar technology provides our clearest fish arches for excellent target separation, smooth bottom returns and precise targeting Garmin RapidReturn™ sonar is our the fastest deep-water scrolling sonar Garmin RapidReturn™ sonar fills the sonar screen faster, allowing a captain to make fast and informed decisions based on what is below their boat Add the MSC™ 10 external satellite compass (sold separately) to eliminate wave and swell from your sonar returns with heave compensation Compatible with a wide range of Garmin and AIRMAR® transducers (sold separately) Ideal for retrofitting to boats with existing bare wire transducers by using manual configuration settings Can output 300 watts to 3 kW with a maximum depth of 10,000’ (transducer-dependent) Supports dual-channel CHIRP (up to 3 kW per channel) 25 to 250 kHz frequency range (transduc