So it is no surprise that hams like [jmharvey] will build an antenna analyzer from a DDS module and an Arduino instead of dropping a few hundred dollars on a commercial unit. As he points out ...

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 ... and by adding a simple Arduino, the complete ...

One tool that many Wi-Fi techs have on their wish list is an RF spectrum analyzer. That's because ... however we will offer a fully open Arduino compatible internal expansion module so you can ...

The spectrum analyzer has always been a vital tool for the EMC engineer ... Figure 2 – The RSA306 connected to a Mac laptop running Windows 8. The harmonics from an Arduino controller are being ...