Amazon.com: 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
ALFA AWUS036NHA 802.11n Wireless-N Wi-Fi USB Adapter High Speed Atheros AR9271 | eBay
Amazon.com: 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