How To Build A Tin Can Waveguide WiFi Antenna

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Wanting to increase the range of your WiFi signal is almost like a rhetorical question for all those technology enthusiasts out there. The WiFi antenna made out of a tin can is quite impressive! You don’t have to be a geek to realize that having the freedom to access the Internet from outside the room you have your wireless network equipment installed is something you do want. And With a clever design that costs maximum $5 one might wonder why you don’t see this device on every person or home. Not to mention it helps the environment by reusing a tin can that you would have thrown away anyhow. The project doesn’t require an electrical engineer on standby, as the tutorial provided clearly explains all the steps involved. Just make sure you have a can, 4 small nuts and bolts, a N-Female chassis mount connector and some thick wire, follow the photo instructions and your WiFi antenna will be ready in no time.

 

 

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How To Build A Tin Can Waveguide WiFi Antenna – Instructions

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15 Responses to “How To Build A Tin Can Waveguide WiFi Antenna”

  1. victor grant says:

    i like reading what you have on your page . keep it up

  2. Hans says:

    How long is the pin/wire sticking out from the connector? How far from the end of the can is the hole for the connector? I cannot see that from the picture.

  3. Skitz O Frenique says:

    It’s a great idea, but what about SWR? For optimum performance, the antenna should be trimmed to suit the transmitter’s wavelength. If the antenna is very out of tune with the wavelength, it will shorten the life of the transmission circuit of the WiFi router.

  4. Reformed Catholic says:

    Hans,

    Click on the link under the pictures .. or this one:

    turnpoint.net/wireless/cantennahowto.html

  5. Becky says:

    A little more instruction please, like how much antenna wire and what it should e connected to

  6. Ben says:

    I am confused. If I want to extend my wifi, how does a coax connection work, wouldn’t you needa way to convert to rg45?

    • Ben says:

      Never mind, I realized that I need to hook into where the antenna would go. My router has an internal antenna so this is not feasible for me.

  7. David says:

    Hi, Hans, For specific design details, please click on the link to the next page; see: “How To Build A Tin Can Waveguide WiFi Antenna – Instructions,” above (just below the pictures).

  8. Gilles says:

    I think seeing the connector , it is more for short wave radio CB or HAM … not wi/fi computer

  9. Petr says:

    Good article, very useful tips, thank

  10. David says:

    My wifi card is inside my computer. can this be routed through a usb or some other port?

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