BabaKenzo
$TMUS T-Mobile's leadership didn't stay quiet; CTO John Saw published a direct, detailed public pushback titled "Spectrum Alone Doesn't Make a Network" to dismantle the panic narrative:
The Divestment Fact: Saw pointed out that the 800 MHz spectrum SpaceX just bought from Grain is the exact narrow 14 MHz slice that T-Mobile willingly dumped and divested because it was no longer central to high-capacity 5G strategy.
The Bandwidth Reality: Even after spending billions on Grain, Starlink Mobile commands only ~80 MHz of total spectrum (much of it uplink-only), while T-Mobile operates nearly 400 MHz of combined low- and mid-band spectrum.
The Infrastructure Reality: Saw emphasized that owning spectrum is just the starting line—building a viable consumer carrier requires tens of thousands of cell towers, massive fiber backhaul, and ground infrastructure that satellites alone cannot replace.
2. AT&T Leadership Dismissal (John Stankey, CEO)
AT&T CEO John Stankey addressed the development directly, calling the idea of SpaceX replacing incumbent cellular networks unrealistic:
Technological Constraints: Pointed out that low-band satellite signals cannot handle dense urban data demands or penetrate heavy commercial structures without extensive ground femtocells and fiber feeds.
Regulatory Hurdles: Stressed that transferring and repurposing spectrum for commercial terrestrial mobile use requires rigorous FCC approvals and interference studies, which will take years rather than months.
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