Manufacturer Description THE DEPTHS. REVEALED. See what’s down there. Catch what’s down there. Take your sport fishing to extreme depths with a high-powered sonar module with the features you need to improve your chances for success.
ENGINEERED FOR OFFSHORE SPORT FISHING
SEE SONAR FASTER WITH GARMIN RAPIDRETURN TECHNOLOGY
CRISP AND CLEAR FISH TARGETS WITH xCHIRP TECHNOLOGY
EXCELLENT TARGET SEPARATION WITH xCHIRP TECHNOLOGY
GREATLY REDUCE WAVE AND SWELL FROM BOTTOM RETURNS WITH HEAVE COMPENSATION (requires MSC 10 satellite compass; sold separately)
GARMIN RAPIDRETURN SONAR This high-performance technology provides our fastest deep-water scrolling sonar with 2 to 6 times the ping rate of our GSD 26 sonar. This allows captains to make fast and informed decisions based on what is below their boats. XCHIRP TECHNOLOGY Easily distinguish bait from sport fish with our clearest traditional sonar fish arches and excellent target separation. Get smooth bottom returns and precise targeting at extreme depths. HEAVE COMPENSATION When the seas get rough, use the MSC 10 external satellite compass (sold separately) to greatly reduce wave and swell from your sonar returns. TRANSDUCER SUPPORT This sonar module is compatible with a wide range of Garmin and AIRMAR transducers (sold separately). RETROFITTING The GSD 28 module is ideal for retrofitting to boats with existing bare wire transducers. SONAR POWER GSD 28 can output 300 watts to 3 kW at extreme depths. CHIRP SUPPORT The module supports dual-channel CHIRP (up to 3 kW per channel). 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. What's Included In The Box? The Garmin GSD 28 Sonar Module ships with the following items included: