SpaceX will compete directly with AT&T, T-Mobile, and Verizon as a major US carrier after securing low-band spectrum licenses and Federal Communications Commission clearance to combine satellite and terrestrial architecture.
SpaceX acquired up to 14 megahertz of paired spectrum in the 800 MHz band through a transaction with private investment firm Grain Management, which previously purchased the frequencies from T-Mobile. The Federal Communications Commission still needs to grant final approval for the SpaceX-Grain transaction before operations on those bands can begin. This push to transform Starlink Mobile into a major US carrier hinges on securing this critical slice of radio waves.
SpaceX Fills Technical Gaps With Low-Band Spectrum
The newly acquired frequencies span the 817 to 824MHz and 862 to 869MHz bands, offering an underused resource that standard mobile devices already support.
“This prime low-band spectrum addresses one of the key remaining technical gaps that will pave the way for Starlink Mobile to become a major mobile carrier in the US.”
SpaceX, via PCMag
Company officials stated that the architecture aims to deliver reliable service indoors, outdoors, in cellular dead zones, and everywhere in between. By incorporating these radio waves alongside its satellite constellation, the company intends to establish a coverage layer capable of penetrating walls and buildings.
SpaceX Awaits EchoStar Spectrum Access Until 2027
Phone manufacturers will also need time to integrate compatible chipsets. The regulatory approval also clears a path for SpaceX to utilize additional radio spectrum acquired last year in a $20 billion deal with Boost Mobile parent EchoStar, though that spectrum cannot be utilized until the transaction officially closes in November 2027.
SpaceX Challenges Established Telecom Giants
The expansion places the Elon Musk-led company in direct opposition to established terrestrial carriers AT&T, Verizon, and T-Mobile. T-Mobile currently serves as the exclusive US provider for the existing version of Starlink Mobile, marketed as T-Satellite using roughly 650 satellites to handle texts and select data apps, making the relationship with T-Mobile particularly complex.
Satellite industry analyst Tim Farrar evaluated the commercial and engineering hurdles facing the initiative.
“I think this adds fuel to the fire in the battle between SpaceX and the mobile operators, but it’s still a very limited amount of spectrum and to get reliable building penetration in urban areas SpaceX would have to deploy an extensive network of towers on the ground which would be expensive.”
Tim Farrar, satellite industry analyst
Industry executives and analysts remain skeptical about the feasibility of matching major carrier capabilities using a mix of satellites and terrestrial radio transmitters. Farrar also noted that operating on lower frequencies will require modified spacecraft, as the current generation of satellites was not originally designed for those bands, while the transaction effectively cuts off rival provider AST SpaceMobile from securing that specific block of spectrum, turning industry attention toward Viasat as one of the remaining holders of large global spectrum portfolios.