What does spectrum mean?

Spectrum refers to the invisible radio frequencies that wireless signals travel over . Those signals are what enable us to make calls from our mobile devices, tag our friends on Instagram, call an Uber, pull up directions to a destination, and do everything on our mobile devices.5 Haz 2018

Spectrum is the range of colors of wavelength energy sent out from a light source when viewed through a prism. An example of a spectrum is a rainbow . The range of electromagnetic radiation (electromagnetic waves) in our known universe, which includes visible light.

Spectrum is a range of electromagnetic radio frequencies used for transmission of voice, data and images . Mobile telecom operators send and receive frequencies to enable communication between two phones. The defence services and railways also use the spectrum .

A spectrum (plural spectra or spectrums) is a condition that is not limited to a specific set of values but can vary, without gaps, across a continuum . The word was first used scientifically in optics to describe the rainbow of colors in visible light after passing through a prism.