Starlink Mobile could become a powerful backup for voice, texting, and basic data when submarine cables fail, but it cannot fully replace the high-capacity fiber networks that carry most global internet traffic.
The reported plan to access 80,000 US cell sites would make it a stronger hybrid satellite-terrestrial carrier, not a cable substitute.
What's with 80,000 cell sites?
Bloomberg reported that SpaceX is negotiating with tower operators, including Crown Castle, to access at least 80,000 US cell sites for Starlink Mobile.
The deals could be worth "billions of dollars".
BREAKING: SpaceX is in talks to lock down at least 80,000 U.S. cell sites for Starlink Mobile, including with tower giant Crown Castle, per Bloomberg.
— Tesla Owners Silicon Valley (@teslaownersSV) October 22, 2026
Satellites overhead, towers on the ground, and freshly bought spectrum. That's a full-stack 4th national carrier taking shape… pic.twitter.com/Otk7kWJ9m7
It would also position SpaceX as a potential fourth nationwide US mobile carrier alongside AT&T, Verizon, and T-Mobile.
SpaceX has also agreed to acquire up to 14 MHz of paired low-band spectrum in the 800 MHz band from Grain Management, pending regulatory approval.
Low-band spectrum improves indoor coverage and allows Starlink Mobile to work with ordinary phones rather than only specialized satellite terminals.
Starlink poised to become a major US mobile carrier
Elon Musk said new satellites and spectrum would let Starlink Mobile become a major US mobile carrier.
SpaceX plans to deploy its next-generation mobile constellation through next year and integrate the spectrum purchases to begin service in early 2028.
Can it replace cables?
No.
Submarine fiber cables carry the overwhelming majority of intercontinental data because they offer enormous capacity, low latency, and relatively low cost per gigabit.
Satellites are essential when cables are cut, but a constellation cannot instantly replicate the bandwidth of hundreds of terabits per second flowing through global fiber routes.
Starlink can provide redundancy for:
Emergency calls, SMS, and messaging when terrestrial networks fail.
Government, military, shipping, aviation, and disaster-response communications.
Low-bandwidth business continuity, payment authorization, and essential cloud access.
Remote islands, ships, aircraft, and rural areas poorly served by fiber.
But it would struggle with mass video streaming, large cloud transfers, financial-market data feeds, and dense urban internet demand during a prolonged cable outage.
Redundancy
A hybrid Starlink Mobile network would reduce single points of failure. If an anchor, earthquake, sabotage, or ship anchor snaps a cable, traffic could shift to satellite links while repair ships locate and splice the fault—a process that can take days or weeks.
For the Philippines and other archipelagic economies, this is especially relevant.
Satellite direct-to-cell service could keep communities connected after typhoons, earthquakes, or cable damage, though users would still face capacity limits and higher costs.
What's next
SpaceX must finalize tower leases, obtain regulatory approval for its spectrum purchase, launch enough next-generation direct-to-cell satellites, and prove that ordinary phones can connect reliably at scale. Its service is targeted for early 2028.
If successful, expect telecom operators to treat Starlink as both a competitor and a resilience partner — using it for rural coverage, disaster recovery, and backup connectivity rather than as a wholesale replacement for submarine cables.