Okay kiddo, let me explain to you the g-spectrum. Do you know what a spectrum is? It's like a rainbow. When you see a rainbow, you see different colors - right? That's a spectrum - a range of colors.
Similarly, in the world of radio communication, we have something called a spectrum. It's like a range of radio frequencies that we use to communicate with each other. The g-spectrum, specifically, refers to a range of radio frequencies that are used for mobile communication.
Think about it this way - you know how you can use your phone to call and text your parents and friends? That's possible because your phone is using a specific frequency range (g-spectrum) to send and receive signals. So, if someone calls you, the signal is sent through the g-spectrum to your phone, and then you can talk to them.
Now, why is the g-spectrum important? Well, because there are limited radio frequencies available for communication. And as more and more people start using mobile devices, the demand for these frequencies keeps increasing. The g-spectrum is one of the frequency ranges that mobile operators use to provide their services.
So, to sum it up, the g-spectrum is like a special range of frequencies that mobile operators use to provide communication services, like calling and texting, to people who use smartphones or other mobile devices.