AT&T has announced the latest in terms of their 4G LTE network expansion. This latest round of news comes with 4G LTE coverage for those in Ft. Myers, Florida as well as those in Knoxville and Knox County, Tennessee. More specifically, the coverage for those in Tennessee is for Knoxville and Knox County to include parts of surrounding Anderson and Blount Counties and parts of Loudon, Roane and Sevier Counties. Simply put, those who happen to be in any of those areas and are in need of an upgraded smartphone or tablet — you may want to start looking at 4G LTE capable devices. And for those who have upgraded and already have a 4G LTE device — head out and start enjoying those increased speeds.