Garmin’s GSD 28 Sonar Module Takes sport fishing to the next level! With Garmin RapidReturn sonar, see returns quicker on the GSD 28 with 2 to 6 times the ping rate of its predecessor. View and distinguish bait from sport fish, and view the clearest sonar with xCHIRP technology! Pairs with a wide range of Airmar and Garmin Transducers, Required and Sold Separately.
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