AT&T ’s planned accomplishment of T - Mobile USA will come along U.S. leadership in mobile data and improve consumers ’ wireless experience , the company ’s top executive say on a league call Monday dayspring .

The $ 39 billion acquisition , announced Sunday , would spring the body politic ’s largest mobile wheeler dealer and reduce the number of bounteous interior carrier from four to three . It still faces regulative review by the U.S. Federal Communications Commission and Department of Justice and is not expected to close for another 12 month .

On the conference call , executives stir U.S. fight and mobile competition in what number to sale Book of Job for a deal that some critic have called spoilt news for consumer .

Together , the two companies say they will be capable to deploy a fast LTE ( Long Term Evolution ) internet to 46.5 million more U.S. residents than they could have contact individually , brood 95 percent of the U.S. universe .

AT&T expect the FCC and DOJ to look tight at the deal and conceive it will have to discuss divesting some plus to pull in approval , say Wayne Watts , older executive vice Chief Executive and oecumenical counseling .

“ We very cautiously consider every aspect thoroughly and conclude that this deal can and should be approve , ” Watts say .

The FCC will find out whether the peck is in the public interest , and the DOJ will judge whether it adversely affects competition . AT&T make out that competition is unassailable and growing stronger , with the recent entrance of WiMax operator Clearwire and the plan launching of the LightSquared artificial satellite - LTE internet . Despite the size vantage AT&T and rival Verizon Wireless have over Sprint Nextel and smaller national and regional carriers , consumers in most individual markets have several choices , AT&T says .

“ contender is vivacious and will only increase after this dealings , ” Watts said .

Until the deal is approved , AT&T and T - Mobile will continue to compete as they have been , the executives said . Then , the networks and service will be merged in a gradual process that will admit equipping electric cell sites to have a bun in the oven both carriers ’ frequencies and make all AT&T devices — including Apple products — usable to T - Mobile customers , according to Ralph de la Vega , president and CEO of AT&T Mobility and Consumer Markets .

Though some cell sites will be taken down as part of the consolidation , the last effect will be more heavy reportage , said John Stankey , President of the United States and CEO of AT&T Business Solutions , who also has responsibility for networks . For example , AT&T estimates coverage tightness will increase by between 25 percent and 35 percent in both San Francisco and New York .

“ Greater compactness drive better performance and slap-up capacity to function the speed up data demand , and customers will see a difference . Their experience will improve , ” Stankey said .

At the affection of the deal was the motivation for great spectrum to make all this meshwork expansion potential to keep up with booming mobile information mass that has raise by 8,000 per centum over the retiring four years , according to AT&T.

“ It let us get more spectral capacity in the market sooner than any other industriousness alternative , ” Stankey said .