Alfa AWUS036NHA Wireless B/G/N USB Adaptor – 802.11n – 150 Mbps – 2.4 GHz – 5 dBi Antenna – Long Range – Atheros Chipset – Windows XP/Vista 64-Bit/128-Bit Windows 7 Compatible
$39.99Compatible with any brand 802.11b, 802.11g or 802.11n router using 2.4 Ghz wave-length
Includes a 4 inch 5 ddbi screw-on swivel rubber antenna that can be removed and upgrade up to 9 dbi
Supports the following security protocols: 64/128-bit wep, wpa, wpa2, tkip, aes