Humminbird 408200-1 5 Port Ethernet Switch (Discontinued by Manufacturer) Allows Five Ethernet Items to Connect Waterproof Simple Plug-N-Play Works with 1198c SI, 1197c SI, 998c SI, 958c, 958c DI, 898c SI, 858c, 858c DI, 798ci HD SI, 788ci HD, 788ci HD DI, 778c HD