Glass or microwave

Level 38 of 41

Estimate

Two 1,200 km paths send one 64-byte message at 100 Gbit/s. One uses glass fiber, the other microwaves through air. How many ms does microwave save one way? Ignore tower costs.

100 ns1 µs10 µs100 µs1 ms10 ms100 ms1 s10 s100 s

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