Garmin GSD 28 Advanced Sonar Module [010-02797-00] Cartography | Garmin Navionics Vision+ It's a great tool to

It's a great tool to make sure you are trolling at the right speed for the lure you're using and for a particular fish species

A 2 kW in a slightly smaller package

from the bottom to the surface and all fish in between

Virgin Islands

1" diagonal (26

Garmin GSD 28 Advanced Sonar Module [010-02797-00] Cartography | Garmin Navionics Vision+ It's a great tool toGSD 28 Advanced Sonar Module See whats down there. Catch whats down there. Take sport fishing to extreme depths with a high powered sonar module with the features that are needed to improve the chances of success. Features: 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