AT&T has announced it's commitments to deliver 4G using both HSPA+ and LTE technologies. AT&T plans to accelerate its LTE network build which is expected to be largely complete by yearend 2013. AT&T will begin its launch of LTE service in mid 2011. Additionally, the company said it has completed its deployment of HSPA+ to virtually 100 percent of its mobile broadband network. 

The company plans to introduce 20 4G devices by the end of the year, some on an exclusive basis. AT&T is set to offer more than 12 new Android devices in 2011.

"AT&T is the only U.S. company committed to both HSPA+ and LTE technologies. As we accelerate our LTE network build, our customers will have blazing fast LTE speeds,” said Ralph de la Vega, president and CEO of AT&T Mobility and Consumer Markets. He spoke at AT&T's Developer Summit, held annually in conjunction with the 2011 International Consumer Electronic Show (CES) in Las Vegas.

In the first half of 2011, AT&T plans to introduce a portfolio of HSPA+ devices; in the second half of the year, it plans to also add LTE devices, including a collection of smartphones, tablets, modems and mobile hotspots. AT&T plans to launch two 4G tablets, including its first LTE tablet, by mid summer.  Additional LTE tablets are planned for the second half of 2011.