does aluminum foil really affect a computers wifi signal?

does it, like even have an effect, and can u use it to increase the signal?

Re-design8 years ago
Like yes it can. If it is in the like right shape it will reflect the signal and like concentrate it or focus it. If it's like in the wrong place then it's going to be like spreading or absorbing it and less will get to the antenna. Other metals will do that also.
Sandisk1duo8 years ago