RJ45 Coupler Function: RJ45 extender is an ideal choice to extend the Ethernet connection by connecting two short network cables together. It is very suitable to help you solve the problem that the network cable is not long enough.Safe And Secure: With nickel plated contacts and easy snap-in retaining clip, the coupler ensure a secure and corrosion free connection.1 Year Warranty: Exclusive Unconditional 12-month Warranty ensures long-time satisfaction of your purchase; Friendly and easy-to-reach customer service to solve your problems timely.Simple To Use: Plug and play, no drivers are required. 8 core pure copper gold-plated conductor, steady signal transmission, superior contact and transmission performance, provides powerful guarantee to high speed data transmission.Compatibility: Female to Female Ethernet coupler jack is compatible with Cat7, Cat6, Cat5e, Cat5 network.