Whitepaper Nº05·RAN·June 2026
URLLC Reality Check: The Millisecond, Audited
Why 5G's famous 1 ms is a radio-only figure — and why no commercial 1 ms / 99.999% service exists in 2026.
Abstract
IMT-2020's famous 1 ms describes only the radio interface's contribution — one way, unloaded, single user. 3GPP's QoS table promises no tighter than 5 ms. This paper audits the latency budget and finds no documented commercial public-network 1 ms / 99.999% service as of June 2026.
Headline finding
No documented commercial public 1 ms / 99.999% service as of June 2026
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This paper deepens one of our guides. If you want the shorter version first, read that.
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