AWUS036H Alfa 1000mW 1W 802.11b / g WiFi USB Wireless Adapter With Original Alfa Screw-On Swivel Antenna rubber and 9dBi suction cup dock window * * strongest on the market (Electronics)
In many developed campgrounds or certain Wifi reception is very low. I just tested this and saw Alfa meter reception from 2 to 5 not possible to have more powerful, the counter "tape" thoroughly. Moreover wifi distant points, which I never knew