Laser point to point: http://www.extremetech.com/extreme/128207-1gbps-wireless-network-made-with-red-and-green-laser-pointers http://www.extremetech.com/extreme

Laser point to point: http://www.extremetech.com/extreme/128207-1gbps-wireless-network-made-with-red-and-green-laser-pointers http://www.extremetech.com/extreme/128207-1gbps-wireless-net... This is not low bandwidth if you have the right tools.