Let’s look at the all the spectrum T-Mobile is getting from AT&T

With the AT&T/T-Mobile merger dead, AT&T is readying to compensate T-Mobile with precious mobile spectrum that covers 128 cellular market areas. But what exactly does that look like on the U.S. map?

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The fine folks at GigaOM and spectrum expert Andrew Shepherd have developed a handy map, shown above, that shows exactly where T-Mobile will be getting new spectrum additions, which will help the company improve its own 4G offerings.

As noted on the map, cities that will be getting a boost in T-Mobile coverage include Boston, San Francisco/Oakland, Washington, D.C., Houston, Baltimore, Atlanta, San Diego, Seattle, Kansas City, Mo., San Jose, San Antonio, and Salt Lake City. AT&T very carefully picked the cities it could give up spectrum in to make sure it could still launch a decent-sized 4G LTE network in those cities.

The catastrophic breakup fee from the AT&T-T-Mobile merger not only included the spectrum noted above but also will give T-Mobile a broad 3G roaming agreement that will make life easier for T-Mobile customers out of range. On top of doling out valuable spectrum and the roaming agreement, AT&T had to pay $3 billion in cash to T-Mobile parent Deutsche Telekom.

With this loss of spectrum, AT&T has little choice but to look to new deals to get its hands on more spectrum. One option could be for AT&T to buy Dish Network. Dish owns lots of wireless spectrum to deliver its television service to customers and has even talked in the past about partnering with T-Mobile to offer wireless phone service. Previous reports suggested that AT&T could pay as much to $50 a share for Dish, which would be a considerable premium on its stock.