The Linksys Wireless-F Broadband Router is really three devices in one box. First, there's the Wireless-G (802.11g at 54Mbps) and Wireless-B (802.11b at 11Mbps) devices to the network. There's also a built-in 4-port full-duplex 10/100 switch to connect your wired-Ethernet devices together. Connect four PCs directly. ot attrach more hubs and switch to create as big a network as your need. Finally, the router function ties it all together and let's yor whole network share a high-speed cable Or DSL internet connection.