AST SpaceMobile, Inc. is designing, developing, and manufacturing its BlueBird satellite constellation and has started launching its planned space-based cellular broadband network through a constellation of low Earth orbit (LEO) satellites. The company is building a space-based cellular broadband network intended to work directly with standard, unmodified mobile devices and off-the-shelf mobile phones, supported by its extensive intellectual property and patent portfolio. AST SpaceMobile is focused on addressing connectivity gaps faced by mobile subscribers. Its SpaceMobile service is being designed to deliver cost-effective, high-speed cellular broadband to users outside terrestrial cellular coverage using existing mobile devices.