NETGEAR's Dual Band Wireless PC Card gives you both in spades! Remarkably versatile, it lets you access any 802.11a/b/g wireless network from your notebook PC. Put it in your notebook PC and no matter where you are, at home, at the office, at the airport or in other public access areas, youll get high-speed access to corporate resources, e-mail, and the Internet. Use it to quickly network employees, saving the time and expense of Ethernet cabling, or use it to upgrade your existing network to the faster wireless standard. Easy to set up and use, it will automatically select the best connection available and adapt the settings to match. And with up to 152-bit WEP encryption, you can rest assured that your wireless network communications are private.