AST SpaceMobile, Inc. is a publicly traded satellite designer and manufacturer based in Midland, Texas, United States. The company is building the SpaceMobile satellite constellation, a space-based cellular broadband network that will allow existing, unmodified smartphones to connect to satellites in areas with coverage gaps. Its BlueWalker 3 prototype and BlueBird commercial satellites are among the largest commercial communications arrays in low Earth orbit after their respective launches and unfoldings in 2022 and 2024. Wikipedia