Expand one RJ 45 outlet into two, standard 8P8C design. Please only One port could be used at one time.This RJ45 1 to 2 ways RJ45 ethernet splitter help you do not have to pull back and forth cable, as as it can be used as an extension, it made of outstanding material with a stable transmission, it can compatible with Cat5, Cat5e, Cat6, Cat7 | RJ45 Splitter Adapter, Bebetter 1 to 2 Port USB to RJ45 Interface Ethernet Cable 8P8C Extender Plug LAN Network Connector for Cat5, Cat5e, Cat6, Cat7 | This Adapter Advantage Design: A notebook in two different fixed position often back and forth , this is a very , cable to lead to broken, this rj45 1 to 2 ways RJ45 ethernet splitter help you do not have to pull back and forth cable. NOTE: This Ethernet splitter allows two computers to share one Ethernet ONE AT A TIME, but it doesn't support both computer to onto the internet simultaneously | Easily convert your RJ45 connection in to two RJ45 sockets with this network splitter.Allow two computers to share high speed DSL, cable modem and Ethernet ports No router required | 1 to 2 ways RJ45 ethernet splitter.Help you do not have to pull back and forth cable. As as it can be used as an extension. It made of outstanding material with a stable transmission. It can compatible with Cat5, Cat5e, Cat6, Cat7.