Works with both IEEE 802.11g & IEEE 802.11b products High-speed transfer rate up to 54 Mbps Supports multi-media data bandwidth requirements Supports 64 128 bit WEP WPA TKIP with IEEE 802.1X & AES functions for high security level Automatic fall back increases data security & reliability Supports Windows 98 SE ME 2000 XP. Supports 32 Bit Cardbus interface Enjoy the freedom of wireless networking With this Wireless Network PC Card you can connect your notebook to any 2.4 GHz wireless network. Because this high-speed PC Card is also downwards compatible with the existing 802.11b standard 11 Mbps an optimal communication with this standard is guaranteed. The 802.11g wireless LAN standard features transfer speeds up to 54 Mbps. The Wireless Network PC Card can communicate directly with other wireless USB (Universal Serial Bus) PC Card & CF adapters both 802.11b & 802.11g in an ad-hoc network or if it is hooked into a wireless network featuring an access point & router. If in a wireless network made from several access points the Wireless Network PC Card automatically chooses the strongest signal.