The 150Mbps Mini Wireless N USB Adapter from TP-Link can connect a desktop or notebook computer to a wireless network for a high-speed Internet connection. Designed with ease of use in mind, installation is simple and quick. Wireless encryption is a breeze, thanks to its built-in Quick Security Setup button. The USB adapter is also compact so there's no need to worry about it crowding the USB ports. The TP-Link 150Mbps Mini Wireless N USB Adapter is compatible with Windows XP, Vista and 7 operating systems.