Homemade External Aerials for Mobile Phones

Written by palmer owyoung | 13/05/2017
Homemade External Aerials for Mobile Phones
Create a mobile phone aerial using coffee cans and coaxial cable. (black mobile phone image by MichMac from Fotolia.com)

A lot of factors can affect the reception on your mobile phone such as weather, buildings, and even sun spots. One way to improve the signal strength on your mobile phone is to use an external aerial. The external aerial gives you a greater surface area to receive radio waves, which will improve your reception. If you don't want to purchase an aerial, you can build your own using some household items.

Cut the bottom cover off one of the cans with a sturdy metal knife.

Solder the two cans together. Plug the soldering iron in an electrical socket and then grab a soldering lead. Melt the lead using the soldering iron while putting the lead on top of the connected cans. When hardened, the lead will connect the two cans together.

Measure 4 inches from the bottom of one end of the cans. Mark the measured distance.

Cut a small hole on the mark that you just measured. The hole should be big enough to fit the coaxial antenna connector that you have.

Remove the nut from the antenna connector.

Cut 4 inches of copper wire and insert it into the antenna connector. The copper wire will serve as an external antenna. If the connection between the antenna connector and the copper wire is loose, solder the copper wire in place.

Insert the antenna connector into the hole of the can. The copper wire should be inside the can. To secure the antenna connector in place, put the nut back into the antenna connector. Place the nut on the part of the antenna connector that is located inside the can. Tighten the nut in place.

Connect the pigtail connector to the antenna connector jack that is outside the can. Tighten the connection. Locate the external antenna jack on your mobile phone. It is usually located at the back of the phone. Remove the rubber covering and an external antenna jack will be exposed.

Connect the other end of the pigtail connector to the external antenna jack of the mobile phone. Hold the can aerial antenna outside the window where it can receive a stronger signal. You will see an increase of signal strength of several bars.

Things you need

  • Two metal coffee cans
  • Knife that can cut steel
  • Solder and soldering iron
  • Coaxial antenna connector
  • Pigtail connector

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