The aerospace company disclosed a country‑wide spectrum acquisition to broaden Starlink’s mobile service, a development that pushed the three telecom giants’ shares down in extended trading.

SpaceX announced a nationwide spectrum acquisition that will expand its Starlink mobile service, sending AT&T, Verizon and T‑Mobile shares sharply lower in after‑hours trading.

Details of the Spectrum Deal

The Federal Communications Commission granted SpaceX access to a block of mid‑band frequencies covering the entire United States. The company plans to integrate the spectrum into its satellite‑based broadband network, aiming to offer 5G‑level speeds to mobile users without relying on traditional cell towers.

The acquisition includes 100 megahertz of spectrum in the 3.7‑4.2 GHz range, a band previously dominated by the three major carriers. SpaceX will deploy ground stations and upgraded satellites to utilize the new bandwidth, positioning Starlink as a direct competitor in the mobile market.

Market Reaction

Shares of AT&T, Verizon and T‑Mobile fell between 3% and 5% in extended trading as investors reassessed the competitive landscape. Analysts noted that the move could pressure the incumbents to accelerate their own spectrum purchases or explore new partnerships.

  • AT&T stock down ~3%
  • Verizon stock down ~4%
  • T‑Mobile stock down ~5%

Implications for Consumers

If successful, SpaceX’s expanded spectrum could lower mobile data costs and improve coverage in rural and underserved areas. The company has previously offered beta mobile service in select markets, and the new bandwidth may enable broader rollout.

Regulators will monitor the impact on network congestion and ensure that the spectrum is used in compliance with FCC rules, including obligations to serve public safety communications.

"SpaceX’s entry into the mobile spectrum arena could reshape the industry, offering consumers more choices and potentially driving down prices," said a telecom analyst at a leading investment firm.

The FCC’s decision reflects a broader trend of encouraging non‑traditional players to participate in wireless infrastructure, a strategy aimed at increasing competition and expanding broadband access nationwide.

CNBC coverage of SpaceX spectrum license