RJ45 CAT6 LAN 1 to 2 Ethernet Port Splitter Adapter Dual Female to Female Port Coupler, 2 Pack & Black-

This compact design allows you to comfortably increase the number of RJ45 network connections on one RJ45 socket. Expand one RJ 45 socket into two

RJ45 Splitter Easily convert your RJ45 connection into two RJ45 sockets with this network splitter

It can be used to split a port on a router and allow an internet signal to be delivered simultaneously to 2 devices.

Single use: Use as a network extender, only one interface can be used;

Coupling use: The network is divided into two parts and two devices are connected to the internet simultaneously