TP-Link TL-WN722N 150Mbps High Gain Wireless USB Adapter .

$ 27.99

150Mbps wireless transmission rate
Provides two methods of operation: Infrastructure and Ad-Hoc
Quick Secure Setup, complies with WPS for worry free wireless security Supports 64/128-bit WEP
4dBi omni-directional antenna detachable Supports Windows 2000/XP/Vista OS
Seamlessly compatible with 802.11b/g/n devices

150M Wireless Lite N High Gain USB Adapter, Athreos chipset, 1T1R, 2.4GHz, work with 802.11n product, compatible with 802.11g/b, 1 detachable antenna$ 15.95