From P2P Foundation

= Long-range Wi-Fi is used for low-cost, unregulated point-to-point connections, as an alternative to cellular networks or satellite links.

URL = http://en.wikipedia.org/wiki/Long-range_Wi-Fi

Comment

Eugen Leitl:

"Current long-range WiFi has been fielded in developing countries. This is the cheapest technology available, and can be powered via a small PV panel, buffered by a supercapacitor bank or lithium cell." (list building-a-distributed-decentralized-internet, February 2011)