The short version
- SpaceX has agreed to buy up to 14 megahertz of low-band spectrum from Grain Management to improve indoor signal penetration for its mobile service.
- The Federal Communications Commission recently approved SpaceX’s plan to launch 15,000 next-generation satellites, which promise significantly higher bandwidth than current offerings.
- Stock prices for major wireless carriers and satellite competitors dropped following the announcement, reflecting market concerns over increased competition.
SpaceX has moved to secure a critical component for its terrestrial mobile network ambitions by agreeing to purchase nationwide low-band spectrum licenses. The deal involves acquiring up to 14 megahertz of spectrum in the 800 MHz band from investment firm Grain Management. This acquisition is designed to complement the company’s existing space-based Starlink cellular service, addressing a significant technical limitation regarding signal penetration inside buildings.
The spectrum rights originally belonged to T-Mobile, which obtained them through its 2020 acquisition of Sprint. Regulatory conditions imposed by the US government required T-Mobile to divest these licenses, leading Grain Management to purchase them earlier this year. The Federal Communications Commission noted in a July 2026 order that these licenses cover approximately 100 percent of the US population, although the specific amount of spectrum varies by county, ranging from 4.85 megahertz to 14 megahertz.
SpaceX argues that this low-band spectrum is essential for bridging the gap between satellite connectivity and reliable indoor mobile service. While mid-band spectrum provides high bandwidth, it struggles to penetrate walls and other obstacles. The 800 MHz band offers superior building penetration and long-range coverage, allowing signals to reach devices even when users are indoors or in areas with terrain clutter. Most existing mobile devices already support this underused frequency, facilitating immediate compatibility for consumers.
This purchase adds to a broader strategy of spectrum accumulation by SpaceX. Earlier in May 2026, the FCC approved a separate $17 billion deal for SpaceX to acquire 65 MHz of nationwide mid-band spectrum from EchoStar. The combination of these low-band and mid-band assets is intended to create a comprehensive coverage layer that rivals traditional terrestrial networks. SpaceX has stated that once fully deployed, this infrastructure will provide reliable service in dead zones, indoors, and outdoors.
Regulatory approval for the Grain Management deal is expected but not guaranteed. The Rural Wireless Association has previously opposed similar spectrum sales to major players, arguing that such aggregation disadvantages rural wireless providers. With the big three carriers holding dominant spectrum portfolios across the US, any further consolidation faces scrutiny regarding market competition and access for smaller operators.
The competitive landscape shifted noticeably following the announcement. Stock prices for AT&T, T-Mobile, Verizon, and satellite competitor AST SpaceMobile fell sharply as investors reacted to SpaceX’s expanding footprint in the mobile carrier market. SpaceX has long claimed that Starlink Mobile will eventually offer superior service compared to these established giants, moving beyond its initial role of providing backhaul coverage for dead spots in terrestrial networks.
Technological advancements accompany the spectrum acquisitions. The FCC recently authorized SpaceX to launch 15,000 next-generation satellites for an upgraded mobile service. These V2 Starlink Mobile satellites are projected to deliver more than 100 times the bandwidth of the current generation. This expansion aims to bring high-speed service directly to unmodified devices globally, leveraging existing gateway networks and backhaul bands used by broadband satellites.
Implementation plans involve deploying small base stations on towers, rooftops, and other structures rather than relying solely on large cellular towers. CEO Elon Musk has emphasized that this approach avoids the difficulties associated with locating and constructing expensive traditional infrastructure. By utilizing radios feeding sectorized antennas, SpaceX intends to create an efficient coverage layer suitable for markets of all sizes and densities.
The timeline for full deployment remains under development. SpaceX has already launched 650 Direct-to-Device satellites for its current mobile service. The company indicated that it will begin launching the next-generation satellites with service commencing by late 2026, pending final regulatory clearances and infrastructure readiness. This phased approach allows for gradual integration of new spectrum assets into the existing network architecture.
As SpaceX transitions from a partner to a direct competitor in the mobile space, the industry faces a period of uncertainty. The company’s ability to leverage both satellite and terrestrial spectrum resources challenges the traditional model of wireless service provision. Market participants are now evaluating how this dual-layer strategy will impact pricing, coverage quality, and consumer choice in the coming years.
Sources behind this briefing
Go to the original reporting
- Ars Technica↗Starlink spectrum deal boosts Musk plan to beat AT&T, T-Mobile, and Verizon
