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For questions about low-power wide-area networks (LPWANs) and any protocol that uses this network design. Consider also using a more specific tag for the specific protocol (e.g. [sigfox] or [weightless]).
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Why there is no LPWAN technology in HF or VHF band?
This is a question which I have been wondering ever since I started exploring LPWAN technologies. … Why then do we not have any LPWAN technology in HF and VHF? …