The product line-up will include a phone with a 16 megapixel camera from HTC Corp <2498.TW> using Microsoft Corp
AT&T said it will also sell three new high-speed smartphones from Samsung Electronics <005930.KS> as well as a high-speed phone from Sony Corp <6758.T> and Pantech
In an unusual pricing move, AT&T also announced that it would sell Pantech Element, a waterproof tablet based on Google Inc
AT&T showed off the new products at its conference for developers at the sidelines of Consumer Electronics Show in Las Vegas.
The devices will run on AT&T's newest network which is based on a technology known as Long Term Evolution (LTE). AT&T started offering LTE services in 2011 behind its bigger rival Verizon Wireless. Verizon Wireless unveiled its first LTE smartphones at the 2011 CES show.
(Reporting By Sinead Carew; Editing by Bernard Orr)