“RTL-SDR” is amazing! “RTL” is from a particular chipset that has great support for hackability.” There a few different apps that can decode signals from it.

“RTL-SDR” is amazing! “RTL” is from a particular chipset that has great support for hackability.” There a few different apps that can decode signals from it. I even got a USB-OTG (“on-the-go”) adapter and used my RTL dongle with an app on an Android phone. And that was 5ish years ago.