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In: Physics

5. The wireless networking standard known as Wi-Fi encompasses several frequency bands in the microwave part...

5. The wireless networking standard known as Wi-Fi encompasses several frequency bands in the microwave part of the electromagnetic spectrum. The two most common are the 2.4GHz and 5GHz bands.

a) Wi-Fi channels in the 2.4GHz band range from 2.401GHz to 2.473GHz in the US. What range of wavelengths correspond to these frequencies?

b) Wi-Fi channels in the 5GHz band range from 5.170GHz to 5.835GHz in the US. What range of wavelengths correspond to these frequencies?

Solutions

Expert Solution

frequency range = 2.401 x 10^9 to 2.473 x 10^9 Hz

wavelength = C / f

                              range    = 3 x 10^8 / 2.401 x 10^9   to 3x 10^8 / 2.473 x 10^9

                                  = 0.1249 m   to 0.121 m

b) frequency range = 5.17 x 10^9 to 5.835 x 10^9 Hz

wavelength = C / f

                               range = 3 x 10^8 / 5.17 x 10^9   to 3x 10^8 / 5.835 x 10^9

                                = 0.058 m   to 0.0514 m

genius_generous answered 1 day ago
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