Need to boost your Wifi Antenna. Use the Parabola Calculator to figure out the size of antenna you need to boost your signal. Once you have the size of antenna you need. Draw it on a piece of paper and trace it onto a smooth piece of metal to serve as the reflectors. Cut the metal to the specifications and curve the metal into U shape reflectors with small holes to fit the current antennas. If you do everything correctly. You now succeeded in making a Home Made Wifi Antenna.