MN54G Pci-express Mini Card 11B/G Wlan for Intel Core Duo/core 2 Duo Compliant Standards - IEEE 802.11g / IEEE 802.11b Dimensions WxDxH - 30 x 50.95 x 3.5 mm Manufacturer Warranty - 3 years Easy to Install -- Friendly user interface with the step-by-step setup wizard to make the installation quick and easy Secure Data Transmission -- MN54G supports 64/128-bit WEP, WPA, WPA2, TKIP, AES and 802.1x to secure the data transmission