Plug and Play---With a straightforward plug-and-play design and fully fitted connectors, the AS EC QDE Ethernet Adapter Cable simplifies the setup process, saving you time and effort. Enhance the functionality of your Humminbird equipment with the Humminbird Ethernet Adapter Cable.Recommandation---If you are networking two fish finders from the above list together, it will require two (2) AS EC QDE cables plus one (1) Ethernet cable (not included) of the appropriate length for your boats needs.Reliable Construction---Cable Length: 1 foot. Built with high-quality materials, this compatible with humminbird ethernet adapter cable is resistant to the harsh marine environment, providing long-lasting durability and reliability. Replace for Humminbird 720074-12 AS EC QDE 12 Ethernet Adapter Cable.For Humminbird Helix Fish Finders ---720074-12 AS EC QDE Ethernet Adapter Cable is compatible with Humminbird Fish Finders , fits all HELIX 8, HELIX 9, HELIX 10, HELIX 12, and HELIX 15 models, and HELIX 7 G2N & G3N models, 859 models, 899 models, 959 models, 999 models, 1159 models, and 1199 models.Easily Link Your Devices--- AS EC QDE Ethernet Adapter Cable allows you to use a Ethernet cable (Not included) to network an ethernet-equipped Humminbird fish finder with other compatible fish finders, Ethernet accessories and Minn Kota i-Pilot Link trolling motors or One-Boat Network compatible trolling motors.