Alfa AWUS036NHA - 802.11n Atheros AR9271 USB Wi-Fi adapter
Alfa USB Adapter AWUS036NHA | Getic
Alfa AWUS036NHA High Gain Wireless B/G/N USB Adaptor - Long-Rang Wi-Fi Network Adapter With 5dBi and 9dBi Antenna for Wardriving & Range Extension - Windows 7, XP/Vista 64-Bit /128-Bit - Atheros