HackerTube / Video
How far can I broadcast LoRa packets WITHOUT a radio? - LoLRa
CNLohr

CNLohr explains how he made an ESP32 produce valid LoRa packets without a LoRa radio, using aliasing and clever signal tricks. It walks through the RF math and shows how far the signals reach.
HN cites it as a striking example of radio hacking with commodity chips.
3 Hacker News mentions · 2024–2026