AT&Tannounced Wednesday that it is on track to fill in its 3Gmobilebroadband internet by the close of June , thus becoming the first U.S. immune carrier to fully deployHigh - Speed Packet Accesstechnology over its web .

HSPA is a roving broadband technology that is comprised of two wirelessbroadbandprotocols , known as High Speed Downlink Packet Access ( HSDPA ) and High Speed Uplink Packet Access ( HPUSA ) , that operate on third - generation mobile machine . AT&T ’s HSPA web currently give up datum download velocity of up to 1.4Mbps and upload fastness of up to 800Kbps . presently , AT&T ’s HSPA service are available in around 275 market place in the United States , and the caller say they will be available in 350 U.S. markets by year - end .

AT&T will offer its 3 G services to all customers who have HSPA - enabled French telephone and laptops , including any laptop computer with a LaptopConnect wireless modem . The company says 75 percentage of its presently available handset are 3G - adequate to , and that it plans to issue more 3 G smartphones throughout the year . Some analysts havespeculatedthat A&T andApplewill unblock the first 3G - capable iPhone sometime this summer .

“ The power to quickly upload large files from a laptop is no longer a luxury ; it ’s a necessity , ” says Kris Rinne , the senior vice president of architecture and planning for A&T ’s wireless operations . “ By in full deploy HSUPA across our 3 G footmark , we not only meet the current needs of our customers but also lay the route for our continue evolution to even firm wireless broadband capabilities . ”

AT&T regard its full HSPA deployment as the next lucid dance step in its eventual progression to deploy the 4 G Long Term Evolution ( LTE ) technology that is anticipate to first have devices on the market in 2010 . LTE and HSPA are both variation of the Universal Mobile Telecommunications System ( UMTS ) that was acquire by the Third Generation Partnership Project ( 3GPP ) to mobile broadband service forGSMdevices .

AT&Tfirst begandeploying its 3 G web and services in 2004 when it rolled out a 220Kbps — 320Kbps Wideband Code Division Multiple Access service to four U.S. markets . Between 2005 and 2008 , the company has invested nearly US$ 20 billion in internet upgrades that have helped transition its wireless internet to 3 constant of gravitation services .