Uni-Directional WIFI Range Extender

Easily receive WIFI signals from far away using a standard USB WIFI adaptor and a bit of ingenuity. This Simple idea requires no modifications to a USB WIFI adaptor or your computer. A simple way to increase the signal strength and range of your WIFI. Plus it works with all USB WIFI adaptors.

Read more source : http://www.instructables.com/id/Uni-Directional-WIFI-Range-Extender/