This Wireless Router 54g functions as the central component in any 2.4 GHz wireless network: one or more Wireless Network Adapters (PC Card, PCI or USB) can communicate via the Router, as well as connect to a wired network. Thanks to the routers' functions, all connected PCs, wired and/or wireless, have full-speed access to the internet via one internet subscription. The 4 built-in Switch ports can be used to connect extra PCs or network equipment.