Electromagnetic spectrum

The electromagnetic spectrum is the collection of all possible frequencies of electromagnetic waves.

The table's caption
Type of wave Frequency range Wavelength Range
Radio Waves 300 GHz to as low as 3 kHz, 1 millimeter to 100 kilometers
Microwaves (0.3 to 300) GHz 1 mm to 1 m
Infrared 300 GHZ to 430 THz
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