To install click the Add extension button. That's it.

The source code for the WIKI 2 extension is being checked by specialists of the Mozilla Foundation, Google, and Apple. You could also do it yourself at any point in time.

Kelly Slayton
Congratulations on this excellent venture… what a great idea!
Alexander Grigorievskiy
I use WIKI 2 every day and almost forgot how the original Wikipedia looks like.
Live Statistics
English Articles
Improved in 24 Hours
Added in 24 Hours
What we do. Every page goes through several hundred of perfecting techniques; in live mode. Quite the same Wikipedia. Just better.

From Wikipedia, the free encyclopedia

5.5 GHz cantenna as a feed horn
5.5 GHz cantenna as a feed horn

A cantenna (a portmanteau blending the words can and antenna) is a homemade directional waveguide antenna, made out of an open-ended metal can.

Cantennas are typically used to increase the range (or discovery) of Wi-Fi networks.


A Pringles cantenna for Wi-Fi
A Pringles cantenna for Wi-Fi

The cylinder portion of the can may consist of metal-coated paperboard.

Although some designs are based on a Pringles potato chips can, this tube is too narrow to increase the 2.4 GHz signal by a useful amount, although at 5 GHz it would be about the right size.[1] However, a cantenna can be made from various cans or tubes of an appropriate diameter.[2] Some designs include a pole mount to elevate the cantenna.[3]

At 2.4 GHz, losses can occur if the cable from the cantenna to the Wi-Fi circuitry is too long. A more efficient cantenna can be made by minimising this length or connecting the cantenna directly to the Wi-Fi circuitry.[4]


A cantenna on an OLPC laptop
A cantenna on an OLPC laptop

Cantennas are typically used for extending a wireless local area network (WLAN).

The tiny design makes them ideal for mobile applications such as wardriving.

Cantennas can be used to increase cell phone range,[5] improve reception, and decrease noise.

A cantenna can be used as a satellite dish feed horn. The 5.5 GHz cantenna dimensions are almost perfect in that they make a good fit for the standard TV satellite dish. The resulting setup is a low-cost high-quality high-gain antenna.[6] Such setups are widely used in wireless community networks for long-distance Wi-Fi links.

Cantennas may be used with other RF devices such as wireless security cameras.[7]

See also

a Cantenna
a Cantenna


  1. ^ "PC FAQ's: Build a 'Cantenna' Aerial". Archived from the original on 2008-04-11.
  2. ^ "Wlan antenna Waveguide type (includes table of suitable dimensions for cantenna)". Archived from the original on 2009-07-18.
  3. ^ "Cantenna build on a pole (includes construction plans)". Archived from the original on 2006-10-24.
  4. ^ "Episode 3 is On-The-Air – AmateurLogic.TV".
  5. ^ MAKE: Blog: Cell phone - Cantenna diagram and parts list
  6. ^ "How to make 5ghz cantenna - feeder for sat-dish - P Wiki MN". Archived from the original on 2016-10-29. Retrieved 2012-01-28.
  7. ^ User Guide

External links

This page was last edited on 22 December 2020, at 14:59
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.