W311U is a 802.11n compliant wireless nano USB (Universal Serial Bus) Adapter that provides up to 4x faster wireless speeds & 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 (Universal Serial Bus) port with minimal protrusion making it ideal to be used when traveling or in a crowded workspace The W311U connects your desktop or notebook computer with an available USB (Universal Serial Bus) port to your wireless network for Internet access & 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 & get better range. In addition, the wireless adapter supports advanced WPA/WPA2 security modes that ensure you will be able to share files & 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. Delivers up to 150 Mbps wireless speed, 4X faster than ordinary wireless G devices. Deliver better wireless performance, 3 X wireless range over 802.11g adapters. Fits into your computer's USB (Universal Serial Bus) port with minimal protrusion making it ideal to be used when traveling or in a crowded workspace.