How to Make a Signal Booster for WiFi for Free

You need a signal booster for your home's Wi-Fi system if your Internet comes and goes or can't be accessed in all rooms. This happens in homes with thick walls or multiple levels. You could install a signal repeater or an external antenna and pay over $100. Or, you could download a free template and add some aluminum foil to make a parabolic reflector for less than 50 cents.

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Something as simple as aluminum foil can boost your Wi-Fi signal.

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Download the free template for the parabolic reflector (which is the signal booster) from Freeantennas.com.

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Print the signal booster template at the current size for a 9db boost, or you can open it in a program like Photoshop or MS Paint and resize it up to twice as large for a 12db signal boost. The template has a square on it to ensure that while resizing you to do not stretch the template out of proportion. While resizing, make sure you keep the square a square and don't make it a rectangle.

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Print on a sturdy paper such as card stock or photo paper.

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Cut out the signal booster template and cut the six slits with your scissors or razor. If you are using a razor, be mindful while cutting. Do not cut your fingers. If you lay down the template, make sure you aren't cutting through it and damaging a table underneath. You may want to lay the signal booster on thick cardboard while cutting the slits.

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Use the glue stick to cover the signal booster with aluminum foil.

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Place the tabs in the slots.

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Place the completed signal booster over the router's antennas and point in the direction of your computers.