The TL-WN821N Wireless N USB Adapter allows you to connect a desktop or notebook computer to a wireless network and access high-speed Internet. Complying with IEEE 802.11n, they provide wireless speeds of up to 300Mbps. Wireless N – Speed & Range With MIMO (multiple input, multiple output antennas) technology, it can mitigate data loss over long distances and through obstacles in a small office or a large apartment CCA Technology – Stable Wireless Signals Clear Channel Assessment (CCA) automatically avoids channel conflicts using its clear channel selection feature and fully realizes the advantages of channel binding, greatly enhancing wireless performance. WPA / WPA2 Encryptions – Advanced Security TL-WN821N provides WPA/WPA2 encryptions that are created by the WI-FI Alliance industry group, promoting interpretabilities and security for WLAN which can effectively protect the wireless network. One Button Security Setup Compatible with WI-FI Protected Setup™ (WPS), TL-WN821N features Quick Security Setup which allows users to instantly setup their security preferences by pressing the “QSS” button. This automatically establishing a WPA2 secure connection, which is more secure compared with WEP encryptions. Not only is this faster than normal secure setups but more convenient in that you don’t need to remember a password! Bundled CD for Easy Operation TL-WN821N comes with a CD that helps you complete the software installation and wireless network settings, including security configurations and wireless connection.