Sitecom Wireless USB adapter 11M WL-022: With the Wireless USB Adapter you can establish a connection with any 2.4 GHz compatible wireless network. The USB adapter is plugged into a PC or notebook which has a free USB port. The wireless USB adapter can communicate directly with another wireless network card in an ad hoc network or can be hooked into a wireless network featuring an access point. If a wireless network uses several access points, this wireless USB adapter automatically chooses the strongest signal (roaming).