Zonet ZEW1502 802.11G 54 Mbps Wireless LAN Cardbus Adapter 802.11G wireless LAN cardbus adapter provides fast and affordable wireless networking to your notebook computer Support for 256-bit WEP encryption and WPA for secure wireless network connections Backwards compatible with 802.11b networks Backed by a 1-year warranty Device measures 4.6 x 0.2 x 2.1 inches (WxHxD)