GARMIN GSD 28 Sonar Module
The GARMIN GSD 28 Sonar Module is a sonar black box weighing 15 lbs and measuring 11 x 15 x 4 inches. This module interfaces with a wide range of Garmin and AIRMAR® transducers to provide enhanced sonar capabilities for marine applications.
Compatibility & Applications
- Replaces older Garmin sonar modules for enhanced performance.
- Pairs with AIRMAR® transducers for various fishing applications.
- Wires to Garmin multifunction displays for integrated sonar imaging.
- Mounts in engine compartments or under deck for space efficiency.
- Fits vessels ranging from 20 to 50 feet in length.
- Integrates with NMEA 2000 networks for streamlined connectivity.
- Drops into installations previously using the Garmin GSD 22 module.
- Supports both recreational and commercial fishing setups.
The unit provides advanced sonar capabilities and is designed for retrofitting on mid to large-sized vessels. Its compatibility with both Garmin and AIRMAR® transducers ensures optimal performance, differentiating it from generic sonar systems commonly found in the market.







