Usage: Benfei Rj45 Coupler Extender Is Ideal For Extending Ethernet Connection By Connecting 2 Short Network Cables Together. Fast Speed To 10 Gigabite: The Rj45 Connector Can Speed Up To 10 Gigabite For Connecting Cat7/cat6 Ethernet Cable. Safe And Secure: With Nickel Plated Contacts And Easy Snap-in Retaining Clip, The Coupler Ensure A Secure And Corrosion Free Connection. Compatibility: This 8p8c Female To Female Ethernet Coupler Jack Is Compatible With Cat7, Cat6 Cat5e, Cat5 Network. High Performance: Rj45 Inline Jack Coupler Meets Category 6 Performance In Compliance With The Tia/eia 568-c.2 Standard. It Is Rohs Compliant.