Network Your Devices: 10-foot Ethernet cable to connect two compatible Humminbird units or a unit to an Ethernet switch Fish Finders Compatibility: Works with all APEX, XPLORE, SOLIX, and ONIX models, plus a broad range of HELIX and legacy models Build a Complete System: Create a multi-unit Ethernet network to share sonar, waypoints, and more across your boat Durable Construction: Marine-grade cable designed to withstand the elements for a reliable connection Adapter May Be Required: For connecting to HELIX and legacy models, an AS EC QDE adapter is required 10 foot long