How does Wi-Fi transmit data wirelessly over distances?

Wi-Fi sends data through the air using invisible waves, just like how your voice travels to someone else’s ears when you talk across a room.

Imagine you and your friend are playing with flashlights in a dark room. When you turn your flashlight on, your friend sees the light and knows something happened. In Wi-Fi, instead of flashlights, we use radio waves, which are like invisible lights that can travel through walls and around corners.

Your router is like a super smart flashlight that sends out these radio waves. It turns messages, like pictures or videos, into special signals. These signals bounce through the air and reach your phone or computer, just like how light from your flashlight reaches your friend’s eyes.

When your device gets those signals, it changes them back into the things you see on the screen. It's like your friend using their own flashlight to send a reply back to you, but with radio waves instead of light.

So even though Wi-Fi feels invisible and fast, it's just radio waves doing their job, one signal at a time!