Although South America does not have the most WiMAX systems, there are
many notable countries whose WiMAX technology is among the top of its
class. The Internet Service Providers TelMex, who has deployed a Mobile
WiMAX network around the city Brasilia, and Neovia, who has set up a
fixed WiMAX network in Sao Paulo, make up the majority of WiMAX networks
in Brazil. TelMex has also established an extensive set of WiMAX networks
in Argentina, Chile, Colombia, Peru, and Ecuador...