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 ...

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 ...

Electromagnetic spectrum operations (EMSO) have rocketed to prominence across the U.S. military, complete with their own doctrine, billets and centers of excellence. Yet decades before EMSO was ...

(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 ...

Philip Branch does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...