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I am writing this review to help everyone out. This splitter will take the input of one Ethernet RJ-45 connection and physically split it into two RJ-45 Ethernet connections. Please notice that you can only have one device turned-on at a time. This is a limitation of the Ethernet physical signaling. If you try to have two devices use the connection simultaneously, it will not work. If you need two physical connections both on at the same time from one connection, please look for a switch like a 4-port, 5-port, or 8-port Dlink/Linksys/Netgear/HP/etc. More money, but this is the correct way to 'split' connections when you can't run more Ethernet cabling. Hope this helps everyone!