With the Usb300WN2X2C USB wireless network adapter, you can add 300 Mbps Wireless-N connectivity to your desktop PC or laptop via USB 2.0. Its compact and lightweight design makes the adapter extremely portable and discreet when connected to your system. It features an extremely compact and lightweight build, as well as an antenna configuration with 2 transmitters/2 receivers (2 x 2:2). The adapter complies with IEEE 802.11n standards and offers data rates of up to 300 Mbps. It is backward compatible with 802.11b/g (11/54 Mbps) and supports wireless WEP (64 to 128 Bit), WPA, and WPA2 security. Additionally, it supports WMM Quality of Service. Applications: Add wireless networking capabilities without having to open your computer's case. Replace an existing Wi-Fi connection and upgrade it to IEEE 802.11n standards. Connect to a Wireless-N network in remote locations where wired connections are not available. Add a high-speed WLAN connection to support demanding applications such as video streaming, VoIP, and network backups.