The T-Mobile license is the first collaboration between a satellite operator and wireless carrier to be approved by the FCC to provide supplemental cell coverage from space. “The Commission recognized that satellite-to-device connectivity can support critical public interest benefits,

Starlink received approval to provide Supplemental Coverage from Space (SCS) within the United States. This means that in areas not covered by terrestrial cellular networks, Starlink satellites can provide service to cell phones.

The US regulator is also allowing SpaceX to orbit some of the company's Starlink satellites closer to Earth, which should reduce latency.