Although smartphones have essentially replaced other means of communication, access to amateur radio can be a lifesaver, especially in times of disaster. There’s a way to turn your Android phone (or the old phone you probably just tossed in a drawer) into a fully functional ham radio.
Related article: How amateur radio endures in the iPhone era and continues to be a lifeline in times of disaster
However, if you think it’s as easy as downloading an app, sorry, it’s a little more complicated. The good news is you can build one for about $35.
The project, called kv4p HT, is a homemade VHF radio capable of both voice and text communication.
Please note that a Level 1 Technician class license is required to use this legally in the US. Click here for more information.
Adding amateur radio functionality to your Android smartphone requires a few bits.
Also, custom printed circuit boardmust be able to solder. If you need a case for your radio, we have 3D printed files available.
Related article: How to solder: tools, tips and tricks to get started the easy way
Oh, and you’ll need an Android smartphone with a USB-C port.
The site has comprehensive instructions for building the radio and flashing the firmware, as well as a Discord channel, so there’s someone to help you along the way.
Also: NASA has a problem and will offer up to $3 million if you have a solution
The phone’s battery powers the amateur radio and its power consumption is very low, but the radio can be physically disconnected by removing the cable.
To learn more about how amateur radio is still used today, check out ZDNET’s Steven J. Vaughan-Nichols’ article, “How amateur radio survived in the iPhone era and remains a lifeline during disasters.” Please see “.