Premium RJ45 Network Splitter Adapter Cable, RJ45 1 Male to 2 Female Socket Port LAN Ethernet Network Splitter Y Adapter Cable Compatible Category 5 Ethernet, Category 5e Ethernet, Category 6 Ethernet This RJ45 Ethernet Splitter allow 2 computers to share high speed DSL, Cable modem or other Ethernet ports. When you often use a laptop in 2 different fixed position, using this RJ45 splitter, you don't have to worry about no Internet in your rooms. Transmission is more stable, it has a superior connection and transmission. This RJ45 Ethernet Splitter is not a switch so that it can not implement 2 computers sharing the internet at the same time. 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.