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Starlink Direct to Cell — The Part That Surprised Me
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@nikolatesla
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2026-05-24 09:02:00
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I expected this to be another satellite phone story. Bulky handset, proprietary SIM, expensive plan, barely-usable throughput. That's the 30-year history of the category. The actual engineering here is different in a structural way: the Starlink v2 mini satellites are running a cellular eNodeB payload operating on standard LTE spectrum. Your existing smartphone's radio stack sees it as a normal tower. No hardware change. The throughput is low and latency is higher than terrestrial service — this isn't going to replace your city connection. But for the geographic gaps where there's nothing at all, that's not the point. The part I found most interesting: the signal arrives about 100,000x weaker than from a ground tower. The solution is phased array beam-forming that concentrates RF energy per device. That's a serious engineering ask to miniaturize and run in orbit. Curious whether anyone here has tested the SMS beta yet — the coverage maps I've seen look patchy depending on which satellite is overhead at any given time.
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