Did SpaceX just get more spectrum for Starlink Mobile? What the FCC Tristar decision means

In an order released October 21 (DA 26-1129), the FCC's Wireless Telecommunications Bureau granted the transfer of three AWS-3 licenses from Tristar's TLG Unpaired Holdings to Starlink Spectrum Holdings, SpaceX's spectrum subsidiary, "for use in SpaceX's next generation direct-to-device (D2D) network." Tristar told the FCC it had never built on the licenses and could not meet the renewal standard; they had been due to expire in July.

The licenses are unpaired, meaning they only carry traffic in one direction: from your phone up to the satellite, in the 1695-1710 MHz band. Per PhoneArena's reporting, they cover eight states and roughly 4% of the US population, and bring SpaceX's total holdings in those areas to 75 MHz.

Normally, spectrum licenses come with "use it or lose it" construction requirements: build terrestrial towers covering a set share of the population, or hand the license back. For these three licenses, the FCC relieved SpaceX of that obligation because the spectrum will be used by satellites instead. Uplink and spectral-efficiency performance targets still apply.

That is a notable precedent for SpaceX's carrier ambitions. In July, the FCC declined SpaceX's request to count satellite coverage toward its upper C-band buildout obligations, so this waiver goes the other way, and it fits the hybrid model SpaceX described on its Q3 earnings call this week: a mobile carrier that leans on satellites more than towers. Analysts are split on the significance. TMT analyst Walter Piecyk called the Tristar deal a gap-filler rather than a notable development, and Ookla's Mike Dano has noted that routine spectrum trades are standard practice for would-be mobile operators.

The Tristar purchase is the third spectrum move this year. Earlier in 2026 SpaceX bought 65 MHz from EchoStar (40 MHz of AWS-4, 10 MHz of AWS-H, 15 MHz of unpaired AWS-3) plus two licenses in the AWS-3 auction. In October it agreed to acquire up to 14 MHz of 800 MHz low-band spectrum from Grain Management, a deal SpaceX's Q3 filing says is expected to close in the first half of 2027, and which a SpaceX executive called the company's ticket to becoming a "major mobile carrier" (Light Reading).

Caveat: these blocks sit in different bands and cover different regions, so they do not simply add up to one national footprint. The pattern is clear, though: SpaceX is steadily filling in a spectrum map for Starlink Mobile, one transaction at a time.

No. Today, satellite-to-phone service in the US means T-Satellite, T-Mobile's Starlink-powered offering for texting and limited data in dead zones. SpaceX's own network, the 15,000-satellite D2D constellation the FCC authorized earlier this month, has a nine-year build window, and most analysts we covered in our fourth-carrier analysis see a real Starlink phone network as three or more years away. Each spectrum approval makes that end state more credible; none of them changes your bill this month.

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• FCC order DA 26-1129: granting the SpaceX-Tristar transfer of control (Oct. 21, 2026)
• PhoneArena: SpaceX acquiring more spectrum for Starlink Mobile, but that's not the most important win (Oct. 22, 2026)
• Light Reading: SpaceX clinches deal to use Tristar's spectrum for D2D (Oct. 23, 2026)