This network splitter adapter is 1 x RJ45 female input to 2 x RJ45 output, The RJ45 Splitter work need one ethernet category 5e or category 6 cable. Convert and increase your Ethernet connections from 1 to 2 sockets Allow two computers to share high speed DSL, cable modem and Ethernet ports Convert a single RJ45 outlet to two RJ45 sockets easily.