How to Survive an Infrastructure Meltdown with Meshtastic and MeshCore (2026)

When the cell network drops, the internet dies, and the power grid stays down for days, LoRa mesh radios keep your family, neighbors, and mutual-aid network connected. This guide covers the hardware to buy now, the configuration to lock in before the disaster, the range reality, and how Meshtastic and MeshCore differ — including which one to run when.

Difficulty: intermediate · Time: Initial setup 4-6 hours; ongoing practice

Hardware

Required : heltec-wifi-lora-32-v3 — Base station node — $18, ESP32-S3 + SX1262, plug into any USB-C power source. Cheap enough to deploy in pairs.

Required : lilygo-t-beam-supreme — Go-bag node with built-in GPS and 18650 battery holder.…