The U.S. Army of the future may move away from the traditional radio frequencies toward little-used spectrum in part by using card-based radios, liquid metal antennas and laser communications. Today’s ...

There is more to light than meets the eye, and it teaches us a lot about the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Parts of ...

(1) A group of frequencies in the electromagnetic spectrum that are assigned by regulatory agencies for a particular purpose. Also called a "frequency band." See frequency bands, spectrum, satellite ...

Pendleton approved a $150,000 budget transfer to support new electromagnetic testing at the Unmanned Aerial Systems Test ...

Spectrum is everything when it comes to choosing or designing wireless equipment. Knowledge of the electromagnetic (EM) spectrum is essential for all engineers working with wireless equipment and ...