D-Link DWL-G550 High-Powered Wireless-G PCI Adapter Business Class Wireless Connectivity of up to 108Mbps for your Desktop High Powered Output for Greater Signal Reception and Stronger Connection to Router or Access Point Supports Both Personal and Enterprise versions of WPA and WPA2 Wireless Security New Business Class WLAN Utility Including Multiple SSID Profile Log and Silent Installation Configuration Feature Wi-Fi 802.11b and 802.11g, and Microsoft WHQL Certified