RJ45 Splitter Adapter LAN Ethernet Cable 1-4 Way Dual Female Port Connector Plug Description: Using gold plated core to ensure signal transmission. The PCB was built-in conduction circuit to prevent damage to the conductor. Can protect the interference of the external electromagnetic signal to avoid damaging the internet signal. Three network cables can be connected to a longer cable using this splitter. Allows a laptop to access Ethernet in different rooms, without having to pull the cable from another room to the room to connect to that computer You run an Ethernet cord from the wall to the splitter cable, one from the splitter to a computer (or laptop, and one from the splitter to another computer (or laptop). Specifications: Model: RJ45 Material: ABS + copper Quantity: 1pc Length: 7.9 inch (0.2m) Black colour Package Includes: 1 X RJ45 cable splitter