When the first USB DTV receivers came out with tuners covering 54–806 MHz, I wondered if any of them could be modified into an inexpensive spectrum analyzer. Thanks to RealTek and some Linux kernel ...

If I offered you the secret to the $11 spectrum analyzer & software-defined radio, what would you promise me? Your firstborn? Treasures of gold and diamonds. Well, I'll consider the latter. Here it is ...

A free software upgrade from Signal Hound offers a single graphical user interface to control the SA series of USB-powered spectrum analyzers and the TG series of tracking generators, providing ...

When [Elixir of Progress] was looking at setting up environmental sensors around their home to keep track of temperature, humidity and such, the obvious ideas of using WiFi-connected sensors didn’t ...

Awhile back I described the RF toolkit I carry around with my laptop. Since I wrote that article, I’ve had a chance to test some new devices. This month I’ll look at the latest Hauppauge ATSC USB ...

Software-defined radio (SDR) is a very powerful concept. Its technologies provide software implementation of modulation, interference management, and capacity enhancement techniques over a broad ...