Save money, time and space by using this Gembird NCA-SP-02, it creates two lines on a single Ethernet cable.
This splitter enables you to double a fixed network connection, without the need to draw an extra cable.
Typical installation requires two pieces of NCA-SP-02 (1 to combine signal and 1 to split signal again).
8P8C LAN FTP port combiner/splitter adapter: RJ-45M to double RJ-45F connectors.
Allows to split 8-wire LAN port into two 4-wire ports and/or vice versa.
Typical installation requires two adapters. One to combine a double signal from your router onto a single Ethernet cable, and another one the split the signal again to two separate sockets.