I have long been an advocate of AM bandwidth restriction to approximately 5 kHz — long before the recent trend and well before digital IBOC and/or DRM came on the scene. The genesis for my advocacy ...

The Dual-Mode, All-Band Relocatable Tactical Terminal (DART-T) combines both troposcatter and satellite communications (SATCOM) capabilities. It can transmit data and video signals at faster speeds ...

One of the most hotly contested bits of real estate today is one you can't see. As we move into an increasingly wireless-connected world, staking out a piece of the crowded electromagnetic spectrum ...

Q: I hear that Wi-Fi may become so popular that channels may get used up at 2.4 and 5 GHz. What happens then? 60 GHz? – Bonnie, San Francisco A: Wi-Fi usage is definitely growing considerably and will ...

(click thumbnail)Figure 3Over the past two years, the AM Broadcasting Subcommittee of the National Radio Systems Committee has been studying the effect of reducing bandwidth on AM transmission systems ...

Automakers attempting to remove AM radio from vehicles has been an ongoing and bizarre battle. Companies want it gone due to claims that the bandwidth can interfere with the newer tech equipped to ...

Amateur radio license exams typically have a question about the bandwidths taken up by various modulation types. The concept behind the question is pretty obvious — as guardians of the spectrum, ...

Also known as 802.16-2004, WiMAX probably is the only wireless standard that allows for bandwidth changes to better match up with the available spectrum and the desired speed partitioning for ...

The radio spectrum map of the United States is one the last bastions of organized chaos in the modern world, an adult coloring book of pastel-shaded boxes representing the divisions and subdivisions ...

Amateur radio license exams typically have a question about the bandwidths taken up by various modulation types. The concept behind the question is pretty obvious — as guardians of the spectrum, ...

Dr. David Reed, inventor of TCP/IP and the "end-to-end" theory, is one of the cornerstone theorists behind the construction of the Internet. Today, he's twisted his dial over to another medium: He ...

Rohde & Schwarz’ CMA180 radio test set, designed for analog-radio production and maintenance, can generate any test signal up to 20-MHz bandwidth and process input power levels up to 150 W. Rohde & ...