Cisco-Linksys WUSB54AG Wireless A/G USB Network Adapter Universal wireless adapter connects your desktop or notebook to Wireless-A, -B, or -G networks Data rates up to 54 Mbps when used with a USB 2.0 port Easy, no-tools setup on any desktop or notebook computer with USB support Wireless communications are protected by up to 128-bit data encryption Powered via the USB connection--requires no power cord or adapter