Signal strength

Signal strength is like how loud you can hear someone talking to you. When you have a toy that makes sounds, the closer you are to it, the louder you can hear the sounds it makes. A signal works the same way. The closer you are to the device sending the signal, the stronger the signal will be.

When you talk on the phone or use the internet, your device sends out a signal to connect to other devices around it. The stronger the signal is, the faster and more reliable your connection will be. That's why sometimes when you're far away from your Wi-Fi router or your phone's signal, you may have trouble connecting or your internet may be slow.

Signal strength is usually measured in a unit called "decibels" or "dBm". The higher the number, the stronger the signal. A signal strength of -70 dBm is stronger than a signal strength of -90 dBm.

Sometimes, there can be things around us that block or weaken signals, like walls or other devices. That's why sometimes your signal may be weak even if you're close to your device. When that happens, you may need to move closer to it or move it to a different location where the signal is stronger.

Overall, signal strength is very important for our devices to work properly and help us communicate with each other no matter where we are.