RJ45 Network 1 to 3 Port Ethernet Adapter Splitter, RJ45 Male to 3 x Female LAN Ethernet Splitter Adapter Cable Compatible with Cat5, Cat5e, Cat6, Cat7 It can compatible with ADSL, hubs, switch, TV, set-top box, router, wireless device, computer, Suitable for Cat5, Cat5e, Cat6, Cat7. This RJ45 Ethernet Splitter allow 3 computers to share high speed DSL, Cable modem or other Ethernet ports. Standard 8P8C design. Pure Copper Gold Plated Needle: Transmission is more stable, it has a superior connection and transmission. When you often use a laptop in 3 different fixed position, using this RJ45 splitter,you don't have to worry about no Internet in your rooms. NOTE: Don't support 2 or more computers that connect to the internet simultaneously, ONLY 1 output port is working. When one port is connected to the network, other ports devices must be disconnected.