SOLUSTRE RJ45 Ethernet Splitter Cable, RJ45 1 Male to 3 X Female Port LAN Ethernet Network Splitter Adapter Cable Suitable Ethernet, Category 6 Ethernet

Using 8-pin gold-plated core to ensure transmission of signals. You run one Ethernet cord from the wall to the splitter cable, one from the splitter to one computer(or laptop, and one from the splitter to other computer (or laptop). Can shield the external electromagnetic to prevent damage to the internet . Allows a laptop to access Ethernet in different rooms, without having to pull the cable from other room to the room to connect to this computer PCB board was embedded conduction circuit to avoid damage to the conductor.