In the past few years we’ve seen the rise of low-power mesh networking devices for everything from IoT devices, weather stations, and even off-grid communications networks. These radio modules are ...

Meshtastic is a way to build mesh networks using LoRa that is independent of cell towers, hot spots or traditional repeaters. It stands to reason that with an SDR and GNU Radio, you could send and ...

In the 1980s and 1990s, online communities formed around tiny digital oases called bulletin-board systems. Often run out of people’s homes and accessible by only one or two people at a time via ...

What if you could decode the invisible chatter of wireless networks, uncovering the secrets of off-grid communication systems, all with tools you can build at home? The intersection of ...

We may receive a commission on purchases made from links. Ham radio is an electronics and communication service people can use freely without the need for the internet or cell phones. The FCC ...