Current Report (8-K)

AST SpaceMobile announced on April 25, 2023, that it successfully completed two-way voice calls directly to standard unmodified smartphones using its BlueWalker 3 satellite, demonstrating the technical feasibility of its space-based cellular service. The company also performed initial compatibility tests on various smartphones and devices, confirmed the ability to support 4G LTE and 5G waveforms, and verified the capability to exchange SIM and network information directly with the satellite. Additional testing and measurements on uplink and downlink performance are ongoing as the company moves toward commercialization of its broadband connectivity service.