Is millimeter wave better?

High-frequency millimeter waves will greatly increase wireless capacity and speeds for future 5G networks . Today’s mobile users want faster data speeds and more reliable service. The next generation of wireless networks—5G—promises to deliver that, and much more.

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What is the frequency of light in GHz?

Electromagnetic spectrum Type of waveFrequency rangeWavelength RangeRadio Waves300 GHz to as low as 3 kHz,1 millimeter to 100 kilometersMicrowaves(0.3 to 300) GHz1 mm to 1 mInfrared300 GHZ to 430 THzVisible Light(430–790 THz390 to 700 nmElectromagnetic spectrum – Art of Problem Solving artofproblemsolving.com › wiki › index.php › Electromagnetic_spectrum

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