Do-It-Yourself Wi-Fi Booster for Laptops
If you connect to the Internet with your laptop via a Wi-Fi network, you might find that the signal is too weak for you to pick up in certain parts of your house. You can purchase a Wi-Fi extender, which is a box that extends your wireless signal, but they're expensive. Alternatively, you can boost your router's signal by making a parabolic dish out of aluminum foil and mounting it behind your router's antenna.
Instructions
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Print out a parabolic dish template for Wi-Fi routers (freeantenas.com).
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Cut out the parabolic dish template and assemble the pieces. Tape the pieces together if they aren't sturdy in their slots.
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Cover the parabolic dish with aluminum foil. Tape the foil using clear tape to keep it from coming off the dish.
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Slide the parabolic dish onto your Wi-Fi router's antenna. Make another parabolic dish if your router has two antennae. Experiment with changing the dish's directions for a stronger signal.
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