Why are higher frequencies better?

The main advantage of higher frequencies is that they require shorter antennas for decent reception quality , and that’s important for mobile devices. But high frequencies are more sensitive to reflection, so they will have a harder time passing through walls and obstacles in general.

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Is the range of frequencies?

Frequency bands Frequency rangeWavelength rangeITU designationFull name30–300 kHz10–1 kmLow frequency300 kHz – 3 MHz1 km – 100 mMedium frequency3–30 MHz100–10 mHigh frequencyRadio frequency – Wikipedia en.wikipedia.org › wiki › Radio_frequency

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