As we've mentioned several times, low-frequency spectrum travels twice as far and penetrates buildings four times better than high-frequency spectrum. That is why T-Mobile spent a fortune ($7.9 billion) to win 31MHz of 600MHz spectrum auctioned by the FCC last year. According to a tweet posted by Neville Ray, the carrier's CTO, low-band LTE has been added "to dozens of sites in just two weeks, which means more and better coverage."

When Ray mentions low-band LTE, he is including the carrier's 700MHz airwaves as well. T-Mobile purchased 12MHz of 700MHz spectrum from ...


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