AST Completes 2-Way Voice Calls Using BlueWalker 3 Satellite
AST SpaceMobile said its successful two-way voice calls to unmodified smartphones using its BlueWalker 3 satellite were the first-ever direct voice connection from space using everyday cellular devices. It said Tuesday the call was made from Midland, Texas, to Japan…
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over AT&T spectrum using a Samsung Galaxy S22 smartphone.