RJ45 Extension Cord, One-to-Three Network Cable Splitter Adapter, Cable Transfer Line, RJ45 One-to-Three Male to Bus. Allows two computers to share a high-speed DSL connection. Standard 8p8c design, compatible with Cat5, Cat5e, Cat6, and Cat7. Use this network splitter to easily convert RJ45 connections into three RJ45 sockets. Solves the problem of insufficient router ports: Ideal for situations where a laptop is frequently moved between three fixed locations, eliminating the hassle of repeatedly plugging and unplugging the network cable. Solves the problem of insufficient installed network cables: If you have only one network cable installed in your room and need to connect three computers (or other devices like TVs), this RJ45 1 to 3 RJ45 Ethernet Splitter allows you to do so without running multiple cables. Tips: This Ethernet Splitter allows all (three) computers to share one Ethernet line at a time, but it does not support two computers connecting to the internet simultaneously. Package Includes: 1 X One Point Three Network Cable Adapter Notes: 1. Transition: 1cm = 10mm = 0.39inch 2. Please allow 1-3mm error due to manual measurement. Please ensure you don't mind before bidding. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!