A cell phone can increase both reception and audio quality by using an external antenna. You can build a waveguide cell phone antenna by following the same procedure used to make a Wi-Fi antenna. A few supplies from a grocery store and from a hardware store and hobby shop or electronics supplier are needed. Tools that are common to most households will be needed as well. The cell phone will not have to be disassembled or modified in any way to take advantage of the external waveguide cell phone antenna.
- Skill level:
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Things you need
- 2 empty coffee cans, 794gr.
- Utility knife
- N-socket plate adaptor
- Soldering iron
- Work gloves
- 12-gauge solid-core copper wire, 1 3/4 inches long
- Can opener
- Pigtail N cable
- Cell phone
Place an empty coffee can on a table with the open end facing up. Measure up 3 3/4 inches from the bottom of the can. Cut a hole in the side of the can at the 3 3/4-inch mark with the blade of the utility knife.
Place a sheet of newspaper on a table to protect the surface. Place the N-socket plate adaptor on the newspaper with the flat end facing down. Heat up the soldering iron for 3 minutes.
Dribble a drop of solder into the centre hole at the top of the N-socket plate adaptor. Let the solder cool for a minute. Put on the work gloves. Hold an end of the copper wire against the solder in the centre hole. Place the tip of the soldering iron against the side of the copper wire. Remove the tip when the solder becomes loose.
Push the tip of the copper wire into the solder. Hold the wire for a minute before releasing it. Let the solder cool for a minute.
Insert the free end of the copper wire into the hole in the side of the can. Hold the N-socket plate adaptor against the sides of the can. Solder the N-socket plate adaptor to the sides of the can. Release the adaptor after a minute has passed. Let the solder cool for an additional 4 minutes before proceeding.
Place another empty coffee can open end down on the newspaper. Open the top with a can opener and toss out the cut off lid in the trash.
Place an end of the can that was just cut onto the top of the can that has the copper wire in it. Line up the rims of the two cans so that they are even. Solder the seams between the two cans together. Let the solder cool for 10 minutes before proceeding.
Insert the N plug of a Pigtail N cable into the port on the back of the N-socket plate adaptor. Remove the rubber plug covering the antenna port on the cell phone with your fingernail. Place the rubber plug away for safekeeping.
Insert the Pigtail N cable's plug into the antenna port on the cell phone. Rotate the open end of the waveguide cell phone antenna you have made towards a window or glass door leading to the outside or in the general direction of the cellular towers if the cell phone is being used outside.
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