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 ...

In the increasingly crowded radio-frequency spectrum, military radios sending critical messages run the risk of interference, whether accidental or, more likely, intentional. Since the spectrum is ...

Forbes contributors publish independent expert analyses and insights. I'm a South London-based technology journalist, consultant and author The electromagnetic spectrum is a contested battleground, ...

For institutions, organizations and individuals operating applications using RF, it can be very important to know who and what is making use of the spectrum. The proliferation of digital technology ...

The FCC seeks comment on so-called ‘Smart Radios’ or software-defined radios. Smart radios can adapt their spectrum use in response to information external to the radio. These radios sense their ...

When U.S. forces operate overseas, they must first determine that their radio frequencies do not interfere with local and coalition communications. The manual process of assigning frequencies to all ...

Aeroflex Broadband Signal Analyzer Adds Powerful Software Modules for Testing High-Speed Communications Systems The Celerity CS35000 Series BSA, the widest bandwidth signal analyzer on the market, ...