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 ...

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 ...

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, ...

In 1976, two shaggy-haired college dropouts founded a company called Apple to manufacture personal computers. The company’s prospects looked so poor that the third co-founder relinquished his 10 ...

Software-Defined Radio is an example of how software-driven virtualization to replace hardware-oriented functionality can enhance system performance. The migration of hardware functionality into ...

A radio receiver consisting of just a very good analog-to-digital converter connected directly to the antenna plus a powerful computer could make a great radio. However, the present state of the ...

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, ...

The U.S. military is moving an advanced radio-frequency mapping capability from the laboratory into the hands of warfighters. Developed by the Defense Advanced Research Projects Agency, the technology ...

Emerson has unveiled the NI USRP X420, a software defined radio (SDR) designed to meet the demanding requirements of advanced radar systems, satellite communications and emerging 6G research.