AM radios are relatively simple devices, and building one is a good way to start exploring the world of radio communications. [GreatScott] does exactly this in the video after the break, building both ...

Testing FM receivers is not that much different than testing other pieces of audio equipment. Appropriate tests include the big six: level, frequency response, THD+N, phase, interchannel crosstalk, ...

WARNING: Most unlicensed radio broadcasts are illegal in the U.S. The following is for informational purposes only. With just a basic tool kit, some copper wire, a piece of coke, a car battery, a ...

German manufacturers Plisch and RFmondial have produced a VHF Band III DRM transmitter, which the companies said is the first ...

We’ve frequently talked about amateur radio on these pages, both in terms of the breadth of the hobby and the surprisingly low barrier to entry. It’s certainly the case that amateur radio does not ...

Researchers have developed a tiny unit that is both an optical transmitter and a receiver. Researchers at Linköping University, together with colleagues in China, have developed a tiny unit that is ...

As the number of higher-throughput applications grows, so does the need for wider bandwidth and network coverage in wireless systems. Given limited spectrum allocation, wireless communication ...

LOUISVILLE, Colo., May 30, 2019 – Inovonics, an industry leader in high-performance wireless sensor networks for life safety applications, announces the release of its new EH4104R single zone fire RF ...