Ethernet RJ45 Adapter - Shielded in-Line Coupler for Cat7/Cat6/Cat5e/cat5 Ethernet Cable Extender Connector - Female to Female, Black - 2 Pack USAGE: Ugreen 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/Cat5e/Cat5 ethernet cable. SAFE And SECURE: With Gold 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.