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There are two competing hobbyist projects (Meshcore, Meshtastic), but they're so chaotic and random I don't think they have much ahead of them.

LoRaWAN will remain but this is different.

I haven't encountered this term outside of stable diffusion and could probably do with a primer of what this is about.

LoRa is short for Long Range. It's basically about providing a physical layer for networks over radio using spread spectrum modulation. It's got long range, even for fairly low-power devices, but also low bandwidth. Think IoT stuff. LoRaWAN is a layer above in the network stack (MAC) and runs on top of LoRa.

TNC is "terminal node controller". They're kinda sorta like modems for radios. KISS TNC is a particular protocol for communication between a radio and a TNC.

In the LLM space, it's LoRA, not LoRa. Not great!