10BaseT Female-Female connector. With two female RJ-45 jacks Used to connect
Rj-45 cables to each other to make an extended cable.This connector is primarliy used for connecting up Ethernet 10 Base T systems.
This 10BaseT F-F Coupler RJ45-F Adapter is a must-have for anyone with a new computer or TV. It allows me to use my old peripherals without any issues.