So we have to start now a new section, and in this section, I have to speak about the antennas that we have on the wireless, which is Wi-Fi, of course. So what are the different antennas that we have? More details will be provided during this section. Let’s start directly and do the explanation.
What is an Antenna?
The antenna is used to radiate electromagnetic energy in the air and receive electromagnetic energy from the environment. If we didn’t have antennas, we wouldn’t be able to use wireless technology. As we mentioned, we have the electromagnetic spectrum. The term “electromagnetic” means that we have electric and magnetic components.
The electric field will raise the magnetic field, and the magnetic field will raise the electric field. That’s how wireless signals are sent through the air. The antenna has two functions: to emit or transmit the electromagnetic field or energy and also to receive it. So that’s the main function of the antenna.
Frequency Ranges
Antennas use specific frequency ranges. For example, if you want to use 2.4 GHz on your wireless, you have to buy an antenna that works on 2.4 GHz. Alternatively, you may choose to use 5 GHz. There are also some antennas that can use both 2.4 GHz and 5 GHz nowadays.
When you conduct a site survey, you need to decide which frequencies you want to use and then purchase the antenna based on those frequencies.
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