Humminbird Helix 12 Chirp DS GPS G4N 12in 411430-1. 1in display Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As with all HELIX G4N models this HELIX 12 includes standard features such as AutoChart Live Wi-Fi and NMEA 2000 in...
Humminbird Helix 12 Chirp DS GPS G4N 12in 411430-1. 1in display Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As with all HELIX G4N models this HELIX 12 includes standard features such as AutoChart Live Wi-Fi and NMEA 2000 in...