RJ45 Couplers Female to Female (Black) :
Usage: RJ45 Coupler extender is ideal for extending ethernet connection by connecting 2 short network cables together. They are only compatible with RJ45, NOT compatible with RJ11.
Compatibility: This 8P8C female to female Ethernet coupler jack is compatible with Cat7, Cat6 Cat5e, Cat5 network.
Fast Speed to 10 gigabite: The RJ45 connector can speed up to 10 gigabite for connecting Cat7/Cat6 ethernet cable.