The Cisco Aironet IEEE 802.11a/b/g Wireless CardBus Adapter provides high-performance 54 Mbps connectivity in the 2.4 and 5 GHz bands. Whether configured to support single 802.11b coverage, single 802.11g coverage, single 802.11a coverage, dual-mode 802.11a/g coverage or tri-mode 802.11a/b/g coverage, the Cisco Aironet 802.11a/b/g Wireless Cardbus Adapter is Wi-Fi compliant and combines the freedom of wireless connectivity with the performance, security, and manageability that businesses require.To maximize the performance of your Cisco hardware, Cisco strongly recommends Cisco SMARTnet Support. SMARTnet provides you with technical support, access to essential information, and advanced hardware replacement. To learn more, call your account manager or 1-800-800-0014 today!