May 2020
Intermediate to advanced
262 pages
6h 48m
English
Content preview from Hands-On Edge Analytics with Azure IoT
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Ultra high frequency
The UHF band sits in the 300 MHz to 3 GHz range with wavelengths of 1 m to 10 cm. UHF is arguably the most important frequency band for modern communications. Applications using this band include television, GPS, pagers, Wi-Fi, Bluetooth, and GSM and LTE cellular communications.
As antenna size is dependent on wavelength, antennas used for UHF television reception are smaller than ones used for VHF (outlined in the following screenshot):
Many Wi-Fi routers operate at channels in the 2.4 GHz range although 5 GHz (in the SHF band) is becoming more popular. We will look at the difference between 2.4 GHz Wi-Fi and 5 GHz Wi-Fi ...