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T-Mobile and Sprint finally agreed to a massive telecom merger after years of negotiations punctuated by two breakups.

Pedestrians walk by a T-Mobile store in San Francisco on on April 24, 2017. (Credit: Justin Sullivan/Getty Images)
Pedestrians walk by a T-Mobile store in San Francisco on on April 24, 2017. (Credit: Justin Sullivan/Getty Images)

The agreement would leave just three major wireless carriers in the US and must clear antitrust regulators. The combined company, which will take on the name T-Mobile, would be positioned as a fierce competitor to Verizon and AT&T.

T-Mobile CEO John Legere, who will head the merged company, told reporters on a conference call Sunday that the firm plans to deliver “the highest capacity network in US history.”

He said the company will hire thousands of people in a bid to create a nationwide 5G network.

The move combines the third and fourth largest wireless service providers in the nation. Sprint was valued at $26 billion based on its last closing price, and T-Mobile was last valued at $55 billion. The deal values Sprint near its latest closing share price of $6.50.

The deal gives the combined company an implied enterprise value of about $146 billion, according to a press release.

Sprint and T-Mobile first discussed a merger in 2014 but scrapped it because of concerns about regulatory challenges from the Obama administration.

The companies expected to have a better shot at the merger under the Trump administration.

Sprint stock tanks as T-Mobile merger said to collapse

SoftBank CEO Masayoshi Son met with Trump the month before he took office to talk up an investment in US businesses.

A few weeks later, T-Mobile’s Legere said he was open to “various forms of consolidation” when asked about a potential merger with Sprint and SoftBank under the Trump administration.

Related: T-Mobile and Sprint break up, again

But last November, after much speculation, the two companies issued a statement saying they had “ceased talks.”

“While we couldn’t reach an agreement to combine our companies, we certainly recognize the benefits of scale through a potential combination. However, we have agreed that it is best to move forward on our own,” Marcelo Claure, the Sprint CEO, said at the time.

Sprint and T-Mobile’s announcement is just the latest step in an ongoing movement towards telecom consolidation. AT&T is in talks to acquire Time Warner, which owns CNN. The outcome of that $85 billion merger-in-the-making depends on a case in federal court, which is pending the decision of the judge.