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.
UPC:820799022331
This 10BaseT F-F Coupler RJ45-F Adapter is amazing. It allows me to connect multiple devices to my TV and switch between them seamlessly.