The Humminbird Helix NMEA Adaptor AS QD NMEA 2000 allows you to connect a Helix G4N Fish Finder to drop cable from an existing NMEA 2000 backbone (sold separately).
Universal Sonar 2 Adapters Hb Mega Di Adaptor Helix 8, 9, 10, 12 602936 Australian made, heavy duty anodised aluminium shaft with offset tough nylon scull blades. Available in five blade colours.984...
Humminbird Helix 8 Chirp MDI + GPS G4N (no transducer no Maps) 104610 The HELIX 8 CHIRP MSI+ GPS G4N features an 8" display, MEGA Side Imaging+, MEGA Down Imaging+, Dual Spectrum CHIRP Sonar and...
