The wireless networking is done using standard Wi-Fi kit. An omni-directional high-gain antenna on top of a water tower blankets a 3km radius at the heart of Macha with network signal, while beyond that directional antennas extend the range point to point.http://www.techradar.com/news/computing/how-linux-is-changing-lives-in-zambia-1067863
Linux and Ubuntu allows Zambia to be networked with low cost networks.
http://allafrica.com/stories/201203110129.html
http://www.ubuntu.com/
http://bafric.blogspot.com/2011/11/microsoft-launches-annual-sponsorship.html
http://www.zambian.com/