There are 7 different types of Electromagnetic waves and they are: Radio, Micro, Infrared, Visible, Ultraviolet, X, and Gamma. They all have different frequency ranges, and different uses.
Radio Waves. Radio Waves have a range of 10^4 and 10^11 or 10^12 Hz. Radio waves are used primarily for long distance communication. Radio Waves have a longer wavelength than any other wave.