The all new Amped UA600EX High Power Wireless-N 600mW Pro USB Adapter certainly is an intriguing device. In a nut shell, this device can (up to) quadruple your wireless range. This is thanks to the fact that it basically is a 600mW powered external antenna added on to your typical 802.11n USB adapter, coupled with a heavy duty 26.5 ft. USB cable. Amped states it has upwards of -95DBm sensitivity, but to be honest this is probably peak sensitivity. Whether or not it can give you up to 4x the range of your laptop's built in wireless range, one thing is certain, it will give you more range than you would get with an unpowered antenna!