Describe: 1.Rj45 Extension Cord One Point Three Network Cable Network Splitter Adapter Cable Transfer Line Rj45 One Point Three Male To Bus 2.Allow Two Computers To Share High-Speed Dsl, Standard 8p8c Design. It Is Compatible With Cat5, Cat5e, Cat6, And Cat7. 3.Use This Network Splitter To Easily Convert Rj45 Connections Into Three Rj45 Sockets. 4.It Is Not Enough To Solve The Router Port Number: The Advantage Of This Adapter Design: A Notebook Is Often Used Back And Forth In Three Different Fixed Positions, Which Is Very Troublesome, The Network Cable Is Broken, This Rj45 1 To 3 Rj45 Ethernet Splitter Helps You Don'T Have To Pull The Cable Back And Forth. 5.Solve The Problem Of Insufficient Number Of Installed Network Cables: If You Have Installed A Network Cable In Your Room, You Have Three Computers (Or Other Equipment: Such As Tv). You Can Use This Rj45 1 To 3 Rj45 Ethernet Splitter To Help You Not Have To Pull The Cable Back And Forth. Tips: This Ethernet Splitter Allows All (Three) Computers To Share One Ethernet Line At A Time, But It Does Not Support Two Computers To Connect To The Internet At The Same Time. Package Included: 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. Pls Make Sure You Do Not Mind Before You Bid. 3.Due To The Difference Between Different Monitors, The Picture May Not Reflect The Actual Color Of The Item. Thank You