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 ...

Ham radio is an electronics and communication service people can use freely without the need for the internet or cell phones. The FCC recognizes it as a backup for emergencies, and it is often used by ...

Meshtastic is free open source software for microcontrollers that extends GPS wireless communication technology to share location information and send and receive messages within a few miles, even ...