The Humminbird Ethernet Cable lets anglers link their electronics for smoother navigation, mapping, and fish-finding when targeting species like walleye, bass, or salmon offshore. This 20-foot cable connects two Ethernet-capable Humminbird units directly or links a control head to a 5 Port Ethernet Switch as part of a larger network. With reliable length and compatibility, it makes sharing sonar, GPS, and other key data between multiple units seamless. 20' Ethernet cable for Humminbird marine electronics Connects two Ethernet-capable Humminbird units Links control head to 5 Port Ethernet Switch in multi-unit setups Enables sharing of sonar, GPS, and system data across your network Compatible with: All HELIX 15, HELIX 12, HELIX 10, HELIX 9, HELIX 8, HELIX 7 (G2N, G3N, G4N), all 11xxci, all 9xxci, all 8xxci, 7xxci HD only Compatible with: All APEX, XPLORE, SOLIX and ONIX models The AS EC QDE is required with all networking products except XPLORE, APEX, SOLIX and ONIX Manufacturer's one year limited warranty