Earlier this year, T-Mobile quadrupled its low-frequency spectrum by acquiring a large portion of the 600MHz spectrum in the US. By the end of the year, the carrier is expected to have upwards of 1 million square miles of coverage in the 600MHz range.
Lower frequency signals, such as the 600MHz one, travel farther and ‘deeper’ than, say, higher frequencies, such as the 2.5GHz band that Sprint widely utilizes. Higher frequency signals are usually the reason to experience connection issues inside of buildings and complete absence of signal when you are in the subway, for example. The 600MHz …