Netis WF-2106 Wireless 11N 150Mbps USB Adapter with Detachable Antenna Wireless N speed up to 150Mbps, best for web surfing, emailing, file sharing, and online chatting 1 2dBi detachable antenna provides better signal coverage and reception Advanced security feature with the latest WPA2 encryption to protect the network Easy to install and configure with the Driver CD and Utility Low power consumption