Not just one, but multiple walls too.
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WiFi signals are a type of electromagnetic radiation, similar to light, radio waves, and X-rays. These signals oscillate at a certain frequency, typically in the 2.4 GHz or 5 GHz range for WiFi networks.
When your router sense WiFi signals, they get spread out in every direction like waves in a lake. When the signals hit a wall, some of the energy they carry gets absorbed, sure. But a significant portion is able to pass through.
This is why wifi signals can pass through walls.
However, if you put too many walls between the router and the receiving device, like phone or laptop, then the energy of signals keeps getting lower and lower until they cannot reach the devicee. That’s why wifi signals don’t pass through multiple walls.
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Thank you !
that’s good to know. time to shift my router somewhere else now
You don’t need to do that if you have an old router, which you can turn into a wifi extender. Pretty cool stuff
okay! yeah that makes sense