AWUS036H Alfa 1000mW 1W 802.11b / g USB Wireless WiFi Adapter with 5dBi antenna and the dock window suction cup - for wardriving Range Extension (Electronics)
Under XP real alternative to integrated wireless card, very good sensitivity for detection networks, operates under Native Lubuntu compatible BT5. Stable connection. If you want to increase sensitivity, choose an antenna with more gain, personally I