W311M is a 802.11n compliant wireless nano USB Adapter that provides up to 4x faster wireless speeds and 3x better wireless reception over 802.11g products while staying backward compatible with 802.11g/b devices. This wireless adapter features a ultra compact design that fits into your computer's USB port with minimal protrusion making it ideal for use when traveling or in a crowded workspace The W311U connects your desktop or notebook computer with an available USB port to your wireless network for Internet access and file sharing. Desktop users can easily add wireless connectivity without having to open the PC case. Laptop users can easily upgrade to the latest 802.11n and get better range. In addition, the wireless adapter supports advanced WPA/WPA2 security modes that ensure you will be able to share files and surf Internet within a secured connection. The Wi-Fi Protected Setup? (WPS) feature enables devices to quickly establish a secure connection to an access point or wireless router, eliminating complex encryption codes.