Wireless broadband is like magic internet that doesn't need a leash to connect to your computer or phone. You know how you can use your tablet or phone to video chat with Grandma using Wi-Fi at home? Well, wireless broadband is like a Wi-Fi for the whole world. Instead of connecting to a modem that is plugged into a wall, you connect to a big internet tower somewhere nearby.
Just like how you can only see the street in front of you from your front door, your device can only connect to the internet tower if it's close enough. But if your device is too far away, it's like trying to talk to someone across the playground with a whisper - they won't be able to hear you very well. That's why there are lots of internet towers all over the place, so your device can always have a clear line of talking to the internet.
It's like having an invisible rope between you and the internet tower. Your device can send everything from pictures of your cats to videos of you doing funny dances to the internet tower, and in return it sends anything you want, like a recipe for cupcakes or a new video game to play.
Sometimes the internet towers get too busy with too many devices trying to talk to them at once, just like a class full of kids trying to talk to the teacher at once. That's why sometimes your videos can start buffering or your games can lag. But don't worry, internet towers are getting smarter every day and learning how to handle all kinds of traffic better.
So remember, wireless broadband is like a magic internet rope that connects your device to a big internet tower somewhere nearby so you can talk to the whole world without needing to be plugged in!