AT&T has launched 4G LTE service in four new markets - Ft. Lauderdale, Miami and West Palm Beach, Fla., and Worcester, Mass., and expanded LTE service in Baltimore, Boston and Washington, D.C..

Operator's LTE network is now live in 51 markets. AT&T expects its LTE deployment to be largely complete by year-end 2013.

There are 300 commercial LTE networks now in 107 countries and 350 commercial LTE networks are anticipated by the end of 2014, reports 4G Americas. Additionally, LTE-Advanced is now commercially deployed on 9 networks in 7 countries worldwide, with those numbers expected to reach 40 networks by year-end 2014.

T-Mobile has launched LTE-Advanced (LTE-A) in the Czech Republic. Operator has deployed Carrier aggregation function by combining two bands in Mlada Boleslav to increase download speeds up to 225 Mbit/s for upload to 50Mbit/s.

Slovakia's telecommunications provider SWAN has launched LTE service in 50 towns across Slovakia. For now the service is available for more than 30 percent of the population, while the coverage should increase along with gradual expansion of Swan’s network.

SK Telecom has completed the deployment of LTE Cat-M1 technology for IoT applications on commercial LTE base stations in collaboration with Ericsson and Qualcomm. LTE Cat-M1 is expected to lower manufacturing costs of IoT devices as its communications modules are much cost-effective than their counterparts for LTE-M, bringing more companies into an ecosystem for IoT business.

T-Mobile USA plans to invest $4 billion in network modernization and 4G evolution effort, which will improve its existing voice and data coverage and pave the way for LTE service in 2013. Operator's LTE roadmap assumes successful refarming of spectrum and regulatory approval of AT&T break-up spectrum transfer. 

Motorola Solutions has successfully completed all testing activities associated with Phase 3: Part One, with the Public Safety Communications Research Program (PSCR) located at the Department of Commerce, Boulder Laboratories in Colorado.