Sort of. Keeping the receiver on and listening 24/7 is going to still use significantly more current than not having the receiver on and putting the microcontro

Sort of. Keeping the receiver on and listening 24/7 is going to still use significantly more current than not having the receiver on and putting the microcontroller into a deep sleep mode. The approach in my sibling comment explains how IoT LoRaWAN devices are able to use ~0 current the vast majority of the time and run off, say, a CR2032 battery.