2.4GHz Rokland N3 Ralink RT3070 700 mW Detachable antenna (RP-SMA) IEEE 802.11b/g/n 150Mbps WEP, WPA/WPA2, WPS USB 2.0 Alfa AWUS036NHA Realtek AR9002U ~800 mW (29dBm) Detachable antenna (RP-SMA) IEEE 802.11b/g/n 150Mbps WEP, WPA/WPA2, WPS USB 2.0 TP-Link WN722N Atheros AR9002U 500 mW ? Detachable antenna (RP-SMA) IEEE 802.11b/g/n 150Mbps WEP, WPA/WPA2, WPS USB 2.0 5GHz (& 2.4GHz) Rosewill RNX-N600UBE Ralink RT3572 100 mW ? Detachable antenna (SMA) IEEE 802.11a/b/g/n 300Mbps WEP, WPA/WPA2, WPS USB 2.0 Other useful links http://www.aircrack-ng.org/doku.php?id=install_drivers&DokuWiki=da99a9c68c695169b88b295a9a3a3806 http://aircrack-ng.blogspot.co.uk/2012/01/best-card-or-best-laptopnetbook-for.html