The Ethernet Cable is a 20' cable that allows the connection of two Ethernet capable units to be connected, or connection of a Humminbird control head to an accessory 5 Port Ethernet Switch (AS ETH 5PXG), as part of a multi-unit Ethernet network.
Northland marine. Their knowledge of Humminbird products is 50X greater than the people answering questions at Humminbird, and they are 10X friendlier, which still counts!
Great product. Top notch customer service!