UGREEN RJ45 Coupler Cat7 Cat6 Cat5e Ethernet Cable Extender Adapter LAN Connector in Line Coupler Female to Female 13 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 ethernet cable. SAFE And SECURE: With nickel plated contacts and easy snap-in retaining clip, the coupler ensure a secure and corrosion free connection.