Spectral density is a major factor. It is a shame that SMS and other low MTU pac... | Hacker News

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		ryacko on June 11, 2019 \| parent \| context \| favorite \| on: Olivia MFSK Spectral density is a major factor. It is a shame that SMS and other low MTU packets aren't transmitted over a low bandwidth channel, or at least as a failover option. SMS coverage would be doubled in range, at least.

jcims on June 11, 2019 [–]

Like pagers? Probably just a function of effectively duplicating all of the management/authentication/security on top of another physical layer.

ryacko on June 11, 2019 | [–]

No, like LTE Cat NB1 or LTE Cat 0, but at higher transmit power.

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