AST SpaceMobile wins FCC approvals

- AST SpaceMobile won Federal Communications Commission approval on April 21, 2026 to provide direct-to-device service in the United States using partner carriers’ spectrum. - The FCC order authorized a 248-satellite constellation and supplemental coverage from space using low-band 700 MHz and 800 MHz spectrum with AT&T and Verizon. - FCC documents and carrier disclosures will show the next steps as AST SpaceMobile and mobile partners move toward commercial deployment.

AST SpaceMobile cleared a key U.S. regulatory hurdle on April 21, when the Federal Communications Commission approved the company’s plan to provide direct-to-device service using partner mobile operators’ spectrum. The order also authorized AST & Science, LLC to deploy and operate a 248-satellite non-geostationary constellation in support of that service. The FCC said the approval covers “supplemental coverage from space,” the framework that allows satellites to extend terrestrial cellular networks to standard mobile phones. ### What exactly did the FCC approve? The FCC’s April 21 order approved two things at once: AST’s larger satellite constellation and its authority to use mobile carriers’ licensed spectrum for space-based coverage in the United States. The agency said AST can provide supplemental coverage from space directly to unmodified mobile devices through partner operators. The 248-satellite figure matters because AST previously had authority for a much smaller system. (fcc.gov) Broadband Breakfast reported the new order increased the company’s approved constellation size from 25 satellites to 248. SpaceNews said the authorization came with conditions tied to interference protections, astronomy coordination and orbital-debris mitigation. ### Which carriers’ spectrum is involved? (fcc.gov) SDxCentral reported on April 24 that the FCC authorization allows AST SpaceMobile to use spectrum from AT&T and Verizon for supplemental coverage from space in low-band frequencies between 700 MHz and 900 MHz. That report said the approvals covered arrangements involving those carriers’ spectrum holdings, including low-band 850 MHz airwaves. (broadbandbreakfast.com) AST said in a Business Wire release that the U.S. authorization covers premium low-band 700 MHz and 800 MHz spectrum in coordination with Verizon, AT&T and FirstNet. Low-band spectrum is central to these arrangements because carriers use it for broad coverage and better building penetration than higher-frequency bands. (sdxcentral.com) ### Why does “supplemental coverage from space” matter here? The FCC uses “supplemental coverage from space,” or SCS, for services where satellites connect directly with ordinary mobile phones using terrestrial carriers’ licensed spectrum. Satellite Today said the April 21 order lets AST provide direct-to-device service under that framework rather than through separate satellite-only spectrum. (businesswire.com) That structure ties AST’s service to mobile network operators instead of bypassing them. The FCC release said the approval was for service “with mobile partners,” and SDxCentral identified AT&T and Verizon as the U.S. carriers tied to the newly approved spectrum arrangements. ### What did investors focus on? AST SpaceMobile shares have been volatile around the regulatory and carrier news. TradingKey reported the stock closed up 7.46% on May 21, while Simply Wall St and Yahoo Finance pages cited in recent market coverage placed the prior close around $89.58. (satellitetoday.com) Separate market trackers showed the stock closing May 21 above that level after a sharp intraday rise, underscoring how quickly the shares have moved. (fcc.gov) The stock move did not come from the FCC order alone. TradingKey cited a mix of factors on May 21, including a new U.S. mobile-operator joint venture, leveraged ETF launches tied to AST shares and continuing attention on the company’s direct-to-device partnerships. ### What comes next for AST? The next milestones are operational rather than regulatory. SpaceNews said AST’s constellation approval arrived as the company worked through launch and deployment plans for additional satellites, and the FCC order itself sets conditions AST must meet on interference, debris mitigation and coordination. (tradingkey.com) Future filings from the FCC, AST SpaceMobile, AT&T and Verizon are likely to provide the clearest record of when the approved spectrum arrangements move from authorization to broader commercial service. (tradingkey.com) The FCC’s April 21 order and the carriers’ subsequent disclosures are the documents to watch. (fcc.gov) (spacenews.com)

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