Grain’s 800 MHz Licenses Pit AST Against SpaceX

Grain Management is running a competitive bid for the 800 MHz licenses it took from T-Mobile, with AST SpaceMobile and SpaceX both in the mix before a Nov. 5 deadline. The July FCC order did not award those airwaves to any satellite operator.

It forced Grain to pick a partner in public, on a clock, and left the clearer satellite buildout path tied to filings due Dec. 4, 2026.

Grain Holds the 800 MHz, Not the Satellite Firms

The Wireless Telecommunications Bureau adopted Memorandum Opinion and Order DA-26-653 on July 1, 2026, in WT Docket 25-178. T-Mobile assigned its 800 MHz licenses to Grain. Grain assigned certain 600 MHz licenses to T-Mobile and paid $2.9 billion in cash. The swap closed in August 2026.

Those 800 MHz licenses sit at 817-824 MHz (Earth-to-space) paired with 862-869 MHz (space-to-Earth). The bureau called them a valuable source of paired, broadband-ready, low-band spectrum that had been underused for years. The Department of Justice had required T-Mobile to divest the block after the Sprint merger. DISH Network let an option to buy it expire on April 1, 2024.

AST SpaceMobile is a Midland, Texas, satellite firm that aims to talk to ordinary 4G and 5G phones from low Earth orbit. It backed Grain’s purchase in a June 30 filing and said it was “well-positioned to put the 800 MHz spectrum into use now.” The licenses still went to Grain, a Washington private investment firm founded by David Grain.

WHO GOT WHAT IN THE SWAP

Grain can still lease or sell to utilities, rural carriers, and enterprises. Direct-to-device satellite use is one path, not the only one, and the bureau deferred the extra Supplemental Coverage from Space waivers until Grain names a satellite partner and files the matching applications.

Nov. 5 Is Grain’s Partner Deadline

The July order that cleared the swap rejected Grain’s six- and 12-year buildout plan and tied a cleaner satellite performance track to a public contest this year. Miss the 2026 filings and D2D is still possible later. The pre-set satellite metrics are not.

In granting this relief, we impose upon Grain strict conditions designed to ensure that Grain does not warehouse spectrum to the detriment of underserved populations, but instead puts the spectrum to use in a rapid and meaningful way to support a range of terrestrial services and direct-to-device (D2D) operations.

Federal Communications Commission, DA-26-653, July 1, 2026

Grain had told the bureau it could solicit D2D operators and pick one within 90 days of close. The order turned that offer into dates.

GRAIN’S SATELLITE PARTNER CLOCK

1. August 7, 2026: Select a neutral third-party advisor and start a fair contest, with the same bidding rules sent to every satellite operator.
2. November 5, 2026: Finish the contest and notify the FCC in the electronic comment file. If a partner is named, the advisor must certify under penalty of perjury that Grain followed its written procedures.
3. December 4, 2026: File complete secondary satellite applications if Grain wants the D2D-tailored construction marks instead of the ground-network marks.

People close to the process have said Grain asked for preliminary offers by the first week of September, and that a sale around $6 billion has been discussed, with leasing still on the table. That figure is a hope described by those people, not a closed price. Grain has not posted a winner.

AST SpaceMobile Already Tested the Exact Frequencies

AST & Science, LLC filed an earth-station special temporary authority the day the order came out, July 2, 2026, as SES-STA-20260702-01946. Jennifer Manner, senior vice president for regulatory affairs, signed it. The Space Bureau granted the STA on Aug. 13. Operations ran from Aug. 14 through Sept. 12.

The test used the same pair Grain now holds. AT&T’s Jeff McElfresh called the work a “milestone” for filling connectivity gaps. AST SpaceMobile filed on Sept. 8 to extend the window. The original grant expired on Sept. 12, and a new term has not been confirmed.

THE 800 MHZ TEST WINDOW

• Devices: Up to 100 commercially available, off-the-shelf user devices, not custom satellite handsets.
• Places: Two 50-kilometer-radius zones, one around Midland, Texas, and one around Lanham, Maryland.
• Frequencies: 817-824 MHz Earth-to-space and 862-869 MHz space-to-Earth, on the AST SpaceMobile S3065 constellation.
• Power: Operations capped at a maximum EIRP of -7 dBW, using the minimum power needed to close the link.

In its July filing AST said 10 satellites then in operation could use the band, that more than 80% of its Block 2 satellites with this frequency were in production, and that it would file experimental papers to test the spectrum. BlueBirds 11, 12, and 13 launched on Aug. 5, 2026, from Cape Canaveral on a Falcon 9. On the Aug. 17 earnings call the company said 13 satellites were in orbit. BlueBird 7 had already been deorbited after an April 19 launch put it in too low an orbit.

Block 1 birds reached 98.9 Mbps peak to an unmodified smartphone, per the June 30, 2026 10-Q. Block 2 carries a phased array of about 2,400 square feet, which the company calls the largest commercial array of its kind in low Earth orbit, and is built to nearly double that peak. AST is targeting about 45 BlueBird satellites in early 2027. As of June 30 it held about $2.72 billion in cash, cash equivalents, and restricted cash.

This 800 MHz slice is not the first low-band AST has touched. An April 21, 2026 FCC grant already lets it run supplemental coverage with AT&T’s 800 MHz A and B blocks and lower 700 MHz, and with Verizon’s 800 MHz A and B blocks. Grain’s licenses are the old Sprint enhanced specialized mobile radio pair, a separate nationwide block. Winning them would be control of airwaves, not another carrier lease.

A Second Bidder With Deeper Pockets

People close to the process have named SpaceX, alongside AST SpaceMobile, among the firms that have shown interest in Grain’s 800 MHz. SpaceX already has a U.S. direct-to-cell tie-up with T-Mobile that runs at least through the end of 2026, and it bought nationwide mid-band spectrum from EchoStar earlier in 2026. Low-band 800 MHz would add building penetration that mid-band does not give it.

T-Mobile is not sitting in AST’s corner on this band. Peter Osvaldik, T-Mobile’s CFO, said Starlink “is not a competitive threat from a wireless perspective at all,” and that T-Mobile’s satellite feature accounted for 0.0002% of network usage. AST lists about 60 mobile-network partners covering more than 3 billion subscribers, with AT&T and Verizon as its U.S. carrier anchors. Grain’s contest is still a separate fight over a block neither satellite firm owns.

WHAT WE KNOW

• The holder: Grain closed the T-Mobile swap in August 2026 and holds the 800 MHz licenses through its license companies.
• The calendar: The FCC set Aug. 7, Nov. 5, and Dec. 4, 2026 as the partner and application marks for the clearer satellite path.
• The test: AST ran a 30-day STA on Grain’s exact pair in Midland and Lanham, then asked on Sept. 8 to extend it.

WHAT IS UNCONFIRMED

• The partner: Grain has not publicly named a satellite winner, a sale, or a long-term D2D lease.
• STA results: No public throughput, indoor, or interference figures from the August-September 800 MHz tests have been posted.
• The extension: Grant of the Sept. 8 STA renewal has not been confirmed.

A mid-September FCC filing that assigned a Prism License Co 800 MHz lease to Virginia Electric and Power Co looked, at first glance, like Grain cashing the band out to a utility. It was a re-papering of a T-Mobile-era Dominion Energy lease after the licenses changed hands. It does not, by itself, take the block off the satellite table. It does show Grain will keep ground users in the mix while the satellite contest runs.

Why Ordinary Phones Need This Low Band

A direct-to-device link has to hit a handset that was built for cell towers, with no extra antenna and no firmware ritual. Higher bands carry more capacity. They fade faster through walls, trees, and car glass. That is why low-band spectrum matters when the “tower” is a few hundred kilometers up.

The FCC’s own SCS framework already lists 600 MHz, 700 MHz, 800 MHz, Broadband PCS, and AWS-H Block as terrestrial bands satellites may reuse on a secondary basis with a carrier’s consent. Grain’s ESMR pair still needed extra waivers, and those were parked until a partner shows up with a complete application. In parallel, the Commission has opened a docket on unlicensed spectrum for direct-to-device, asking whether ordinary part-15 gadgets might also talk to satellites. That track does not replace Grain’s licensed 800 MHz. It is another way phones could reach space if the licensed fight stalls.

For AST, Grain’s block would sit beside the AT&T and Verizon cellular 800 MHz it already coordinates. For SpaceX, it would be a low-band complement to EchoStar mid-band and to T-Mobile’s PCS-based direct-to-cell service. For Grain, the same frequencies still have to work for utilities and rural operators if the satellite deal slips.

Three Years to Cover a Third of Each License

Warehousing was the rural carriers’ objection, and the bureau wrote the three- and eight-year buildout clocks to kill it. Metrics run license by license, not as a national average that could leave whole markets dark. “Service” has to be broadband. 5/5 MHz LTE at 3GPP Release 8 or later counts.

BUILDOUT MARKS ON THE 800 MHZ LICENSES

A second satellite interim on Nov. 30, 2031, lifts availability to 80% of the time in 90% of each license. If Grain skips the 2026 partner steps, it still has to meet the ground-network marks, and any later D2D filing loses the guaranteed satellite metrics. The bureau also warned Grain not to partition the licenses in ways that dump unserved areas back on the Commission, and it barred “license-saver builds.”

That calendar is why an operator with birds already up, and with a completed 800 MHz STA on this exact pair, can argue it can light the band faster than a bidder that still has to retune a mid-band constellation. It is also why a bidder with a larger checkbook can offer Grain a cleaner exit than a lease to a still-unprofitable satellite startup. Grain files the outcome of the contest by Nov. 5. If it wants the satellite construction path, the applications are due Dec. 4.

Disclaimer: This article is news reporting and analysis of FCC orders, company filings, and related public statements. It is informational only and is not investment advice, a solicitation to buy or sell AST SpaceMobile, T-Mobile, or any other security, and not legal advice on spectrum licenses or satellite authorizations. Readers who may act on spectrum, satellite, or equity decisions should consult a licensed financial adviser and, where licenses are at stake, communications counsel. Figures, partner status, and test authorities reflect the cited FCC papers and company statements as of the dates on those documents and can change as Grain’s contest and any STA extension move.