Sprint on Monday launched its 4G mobile broadband in two Texas cities, Austin, and San Antonio. As before, the WiMAX network promises speeds between 3Mbps to 6Mbps for downloads in real-world use, which should bring VoIP, video and other tasks that are normally too data-intensive for 3G networks. Sprint's 4G mobile broadband network is already available in regions such as Chicago, Dallas and North Carolina.
