Increase the wireless range of your computer by building your own Wi-Fi Yagi antenna. A Yagi antenna is a simple, directional antenna that can increase your ability to find wireless signals at extended ranges. A Yagi antenna is designed to attach to a computer using a USB connector and plugging it into a USB port found on many computers. Constructing a Yagi antenna requires a few tools commonly found around the house and some parts that can be picked up at the local electronics store.
- Skill level:
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Things you need
- 1247gr. coffee can
- 12-gauge solid wire
- Soldering iron
- Coaxial to USB adaptor
- USB cable
Punch a hole in an empty, clean 1247gr. coffee can using the hammer and nail. Place the hole on the side of the coffee can up 1 5/8 inches from the closed end.
Enlarge the hole so it is big enough to fit the end of the N-connector.
Construct the antenna. Attach a cut length of 1 1/4 inch solid 12-gauge wire to the solder end of the N-connector with the soldering gun.
Push the N-connector through the hole in the coffee can from the inside. Connect the N-connector to the coaxial-to-USB adaptor so it clamps to the coffee can wall.
Connect the USB cable's female end to the coaxial-to-USB adaptor. Attach the male end to an open USB port on your computer.
Search for Wi-Fi signals. Sweep the area with the Yagi antenna until you locate a Wi-Fi hot spot.
Tips and warnings
- Use a coffee can with smooth metal sides for the antenna receptor to reduce signal reflection. A can with grooves can scatter the signal decreasing the antenna's effectiveness.
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