This article from Jeffrey Harrow summarises the state of current wireless technology and explains what the various acronyms and terminolgies mean. Wireless is becoming more and more significant in Africa.
Links
[1] https://www.pambazuka.org/author/contributor
[2] https://www.pambazuka.org/taxonomy/term/3305
[3] https://www.pambazuka.org/article-issue/58
[4] https://www.pambazuka.org/category/ict-media-security
[5] http://www.pambazuka.org/en/category.php/internet/6554