Connect two 10/100 Ethernet devices to a single Cat5/Cat5e cable drop This 2-to-1 RJ45 Splitter Cable Adapter increases the number of RJ45 network connections on an RJ45 outlet, allowing two 10/100 Ethernet signals through a single Cat5/Cat5e wire.Please note that the the RJ45 Splitter cable requires a second RJ45 Splitter cable at the opposite end of the line. On one end of the installation the splitter enables you to connect two patch cables from a hub or switch to a single port on a patch panel; while on the other end of the installation the splitter connects to a single Cat5/Cat5e network drop through a wall outlet which can then be split and connected to two separate devices. The patch panel and wall outlet are connected through a single Cat5/Cat5e cable. What’s in the box RJ45 Ethernet Splitter 1 RJ45M - 2 RJ45F