The WPC4400N's included 'multiple-in, multiple-out' (MIMO) connection technology benefits from the signal reflections that confuse ordinary wireless networking technologies. This increases the range of this Wireless-N card and boosts connectivity by reducing common dead spots in your wireless coverage. The incredible speed of Wireless-N makes it ideal for media-centric applications like streaming video and voice over IP telephony, and it offers plenty of bandwidth to run multiple media-intense data streams through the network at the same time with no performance loss. Additional features of the Cisco WPC4400N Wireless-N Business Notebook Adapter include: Wireless-N (draft 802.11n) technology compatible with Wireless-G and Wireless-B equipment MIMO technology using multiple radios to create a robust signal that travels farther and reduces dead spots Advanced wireless security that includes support for WEP, WPA, and WPA2 encryption