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Extend Your Wi-Fi Range With a Parabolic Reflector

You can create a simple add-on for your router's antenna that will boost and focus the wireless signal. We show you how.

Zack Stern, PC World

Plot Your Parabola 3 of 6

Using the data that Parabola Calculator generated, plot your parabolic curve on a sheet of graph paper. Trace this curve onto cardboard or balsa wood.

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