Update – May 23, 2023: We have published a report detailing the technical performance of AST Space Mobile direct-to-handset LEO constellation. Click here for additional information. Different approaches are possible to enable Direct-to-Handset (DTH) satellite connectivity. For instance, there’s the approach by T-Mobile and SpaceX (see here) and by Apple and Globalstar (see here). AST SpaceMobile is taking… Read More »
Apple launched the iPhone 14 with Emergency SOS via satellite service allowing a user to send and receive text messages over Globalstar satellites (here). The direct satellite-to-handset service operates over Globalstar Gen2 satellites which will start to expire by 2025. Apple will incur costs in excess of $400 million to fund Globalstar launch 17 new satellites by the… Read More »
Mobile Satellite Services (MSS) spectrum is bustling with activity. With so many failed satellite service companies, it is no surprise that spectrum earmarked for such services be converted, or allowed to co-exist with profitable mobile services. Here, I like to summarize some of the developments surrounding MSS spectrum.