Humminbird Helix 12 CHIRP MSI+ GPS G3N

The largest unit in the Helix family, the Huminbird Helix 12 CHIRP G3 Sonar boasts a commanding 12.1" display, MEGA Side Imaging+ (select models), MEGA Down Imaging+ (select models), and Dual Spectrum CHIRP Sonar for a cleat-cut technological advantage on the water. The Humminbird Helix 12 CHIRP G3 Sonar also includes GPS mapping, built-in Bluetooth, Ethernet networking capabilities, and ability to create your own maps in real-time with AutoChart Live's depth, vegetation and bottom hardness mapping. Humminbird Basemap cartography is built-in with the option to expand your mapping capabilities with available LakeMaster Charts.