[http://www.bbwexchange.com/pubs/2006/12/05/page1421-371393.asp Source]
802.16 standards
The first 802.16 standard was approved in December 2001. It delivered a standard for point to multipoint Broadband Wireless transmission in the 10-66 GHz band, with only a Line of Sight (LOS) capability. It uses a single carrier (SC) physical (PHY) standard.
===Companies===