
Comparing LoRaWAN Spreading Factor Airtime Costs against Cellular Repetition Overhead
SF12 airtime expands energy consumption by sixty-four times over SF7 while NB-IoT repetitions multiply battery drain linearly per transport block transmission.

SF12 airtime expands energy consumption by sixty-four times over SF7 while NB-IoT repetitions multiply battery drain linearly per transport block transmission.
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