T-Mobile U.S. Inc. TMUS on Tuesday said that it would buy spectrum from Comcast Corp. CMCSA for between $1.2 billion and $3.3 billion in cash in a license purchase agreement. The telecom giant said it expected the transaction for the spectrum — or the swaths of frequencies that enable mobile communications — to close in the first half of 2028. Shares of T-Mobile were unchanged after hours. Comcast fell 0.2%.

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