1. http://www.techjournal.org/2011/09/mobile-broadband-useage-is-set-to-explode-infographic. http://www.techjournal.org/2011/09/mobile-broadband-useage-is-set-to-explode-infographic.
2. http://money.cnn.com/2012/02/24/technology/spectrum_crunch_solutions/index.htm. http://money.cnn.com/2012/02/24/technology/spectrum_crunch_solutions/index.htm.
3. http://www.dailywireless.org/2011/05/06/att-moves-to-hotzones-and-picocells. http://www.dailywireless.org/2011/05/06/att-moves-to-hotzones-and-picocells.
4. http://www.siliconimage.com/news/releasedetails.aspx?id=649. http://www.siliconimage.com/news/releasedetails.aspx?id=649.
5. http://news.cnet.com/8301-30685_3-57326718-264/wilocity-60ghz-wireless-revolution-begins-at-ces/. http://news.cnet.com/8301-30685_3-57326718-264/wilocity-60ghz-wireless-revolution-begins-at-ces/.