What are the Installation conditions of Starlink?
For smartphones, the radio waves are linked to the ground-based base station, which is linked to the Internet. In the case of satellite Internet, the need for a base station on the ground remains the same, but satellites are used for relaying between them. A dedicated antenna is required for communication with the satellite.
Communication satellites themselves have been used since the early days of space development, but the major difference from the past is the orbit and number of satellites.