By Radio-Electronics.com. Radio-Electronics.com is operated and owned by Adrio Communications Ltd and edited by Ian Poole. Technologies including cellular and many other wireless technologies are now very widespread in their use, and with this has come an increased importance in antenna technology and also the science behind radio propagation. Radio signals are a form of electromagnetic wave. Electromagnetic waves are the same type of radiation as light, ultra-violet and infra red rays, differing from them in their wavelength and frequency.
