Last January, I bought a “Heltec V4”. It’s a cheap little computer with a LoRa radio. The Heltec is is a popular choice for people wanting to connect to the MeshCore network. MeshCore aims to provide off-grid text messaging. Direct messages and group chat, without using the internet.

https://roytanck.com/2026/05/02/my-experiences-with-meshcore/