With this secure, ultra high-speed wireless PC Card, mobile users can roam the office while accessing network resources, the Internet, and e-mail at speeds up to 108 Mbps. Super G packet bursting, compression, fast frames, and dynamic turbo features automatically boost performance dynamically, without user intervention. Dynamic rate shifting matches the best connection speed in response to physical and traffic conditions so wireless connections stay reliable. The PC Card supports advanced WPA and AES encryption as well as basic WEP encryption to protect wireless transmissions; the latest 802.1X authentication also helps protect against unauthorized users.3Com's patented XJACK antenna extends for excellent reception then tucks safely away for traveling. For communication flexibility, users have a choice of connecting to the WLAN via ad hoc or infrastructure modes. Preset defaults make setup and operation easy.