Ast SpaceMobile has made the first 5G call between a normal smartphone and an orbiting satellite.
The Hawaii-Madrid call occurred on September 8, 2023, using AT&T’s spectrum and Ast SpaceMobile’s BlueWalker 3 test satellite, and is a significant event for technological progress.
📝 More at: https://www.spaceconomy360.it/telecomunicazioni-satellitari/5g-via-satellite-ast-spacemobile-effettua-la-prima-chiamata-al-mondo/