#Meshtastic 🕸 is an open-source radio-based mesh networking platform designed to facilitate decentralized, long-range, and ad-hoc communication. #LoRa radio 📻 devices can be used to create long range mesh network without cellular service for low bandwidth data transmission over unlicensed radio bands. Many readymade devices (+ DIY modules) available for purchase from many online stores. Internet connectivity from such isolated radio mesh network is optional via bridge gateway. 🥜shell summary - dig github also e.g. ESP32 / TTGO/LILYGO/Audrino 433MHz–8Km–1Mbps LoRa - can have chip NEO-M8N - GNSS receiver also UART IoT