Stock, this radio module is just okay, but with a few modifications, it can be turned into a very good receiver with a spectrum analyzer and autoscan. The Boscam RX5808 has three DIP switches to ...

9 kHz - 3 GHz Spectrum Analyzer Boasts High-End Specs High specification spectrum analyzer evaluates signals from 9 kHz to 3 GHz. Real-Time Spectrum Analyzer Boosts Mid-Range Performance RSA5000 ...

The NanoVNA made network analyzers cheap enough for almost everyone. Now you can get a $49 spectrum analyzer to go with it. Is it worth it? Watch [IMSAI Guy]’s video after the break for his opinion.