I have included a key lengths calculator in the form below. Dec 29, 2015 video tutorial how to make a high gain wireless antenna cantenna. Perhaps the original form of the cantenna a dummy load consisting of a paint can filled with mineral oil and transmission fluid would be about right. Under served communities can benefit from the exchange of information through local mesh networks to exchange critical notifications. Apr 01, 2006 the cantenna name is appropriate given that the product is in the shape of the can, similar to a pringle s can in size, and sits on a tripod. Free online engineering calculator to find the dimensions of a cantenna canantenna.
See the more answers page for this and other facts. Cut a hole in the can towards the bottom see picture just big enough that you can force the female end of the usb extension cable in. The cylinder portion of the can may consist of metalcoated paperboard although some designs are based on a pringles potato chips can, this tube is too narrow to increase the 2. More importantly, testing shows that the waveguide cans work better. Empty cans of pringles crisps could be helping malicious hackers spot wireless networks that are open to attack. Increase the range of your wireless connection with the super cantenna. The closer you get to the dimensions from the calculator, the better your cantenna will function. This idea is not new and has many names such as shell cell, cantenna, bazooka antenna, canned antenna and tin can.
Detailed experimentation guidelines are below the calculator. About cantenna calculator the resource is currently listed in in 2 categories. It helped me built my aluminimum cantenna mini normal size if the applet doesnt load propably you. Build the ultimate wifi boosting cantenna techradar. Getting a wifi antenna from pringles tube diy cantenna postadelmaga. From the result, it showed that adding the metallic funnel core really improved the performance of cantenna. But it seems like the pringles cantenna is the secondmost popular, and is almost always a yagi with washers put at specific intervals down a threaded bolt that runs down the center of the cantenna. Elliots chosen pringles design would probably create a directional antenna. This calculator is designed to give experimentation data for construction and use of a wireless range extending antenna. How to make a wifi antenna out of a pringles can ian.
How to build a cantenna so, you wanna build a cantenna. While folks are calling it a yagiuda style antenna, the design of the driven element in the pringles can antenna looks like a waveguide style design. For more uses and tips or to see how others are using the super cantenna, visit. If you have no particular preference within a given ham radio band, then simply enter its center frequency i. Broadbandhamnet, formally known at hsmm ham radio, is a high speed mesh data network running on off the shelf 802.
How to build your own waveguide antenna cantenna for 802. About cantennacalc the resource is currently listed in in 2 categories. If you are geeky enough and want to extend your wireless network range, but dont want to buy a proper antenna, then this hack is for you. First, it is important to know that radio waves travel at the speed of light, which is about 300 mega meters mm per second the exact speed is 299,792,458 meterssec. This is a sample program i wrote to help you build your cantenna. If you have an omnidirectional antenna available figure 6. Some designs include a pole mount to elevate the cantenna. However, a cantenna can be made from various cans or tubes of an appropriate diameter. We went to the home depot and michaelss art store to buy some spray colors and some stickers to decorate our can here this is our can looks like after decoration. Download kalkulator wajanboliccantenna calc for free. Is there a stand alone version that can be downloaded for offline use. This calculator provides quick estimation of antenna size required for a given gain and frequency. A quick search of the web will show that there are many ways to create a cantenna and even more materials one can use.
Diy wifi extender cantenna build with a stand this antenna is one of the easiest and cheapest things you could build to extend the range of your wifi network. Extend your range even further or repeat your signal by using a super cantenna at each location. This software is very useful to calculate cantenna pan antenna dimension without any difficulties. Building the cylinder can waveguide we chose to build the antenna for 2.
The resulting setup is a lowcost highquality highgain antenna. To attach it to a computer, insert the ubs wifi adapter, and install its driver software. The antenna calculator is a very simple and easy piece of software. Click on to cantenna mark 2 for the next version and dont forget to check out the netstumbler results on the other homemade antennas link further up this page for the final results using an sma baby food tin on a modified me102 feeding a version of the mark 1 cantenna with a cardboard horn. This link is listed in our web site directory since wednesday sep 19 2012, and till today cantenna calculator has been followed for a total of 4084 times. Two soup cans or pringles cans attached end to end add a dielectric to the interior of the can. Video tutorial how to make a high gain wireless antenna. Security company isec has demonstrated that a directional antenna made with a pringles can significantly improves the chances of finding the wireless computer networks being used in londons financial district.
A tin can waveguide antenna, or cantenna, may be just the ticket. Sep 09, 2016 spoiler alert this article discusses technical plot points and hidden secrets of eps2. This instructable is on how to make a wifi wave guide antenna for freeeee. Why is a super cantenna more powerful than a homemade pringles can. How to make a wifi antenna out of a pringles can makeuseof. There might be confusion between the pringles cantenna and a yagi type. Cantenna design, wifiwlan antenna applications, wifi. Nov 28, 2006 getting a wifi antenna from pringles tube diy cantenna postadelmaga. Basic understanding of wireless networking concepts radios, wavelengths. Increase the strength and range of your own network signal for faster download speeds and streaming media.
Antenna theory for wardriving and penetration testing. This idea is not new and has many names such as shell cell, cantenna, bazooka antenna, canned antenna and. I happen to have a spare pringles can however, and i was wondering if there was a way to build a cantenna for uhf that i could connect to my cheap baofeng radio for a more directional signal. At the time, antennas of similar gain would set you. Extend your wifi range using diy antenna from pringles can. There is an online calculator, which will help you determine the dimensions of your cantenna. The tiny design makes them ideal for mobile applications such as wardriving. The pringles can is really too small for good performance, however. The design was based on rob flickengers pringles cantenna article. Spoiler alert this article discusses technical plot points and hidden secrets of eps2. A cantenna is a homemade directional waveguide antenna, made out of an open ended metal can. The cantenna design works great and it is really easy to build.
Typically i write about vhfuhf communications, but im dipping my feet into the microwaves and have thrust headfirst into the world of broadbandhamnet. This work is licensed under a creative commons attributionnoncommercial 2. Gregorys site has a form that will calculate the frequency that your new cantenna will operate at. Includes instructions and red plastic protection lid. A cantenna is a homemade directional waveguide antenna, made out of an openended metal can. Open source hardware certifications for march 2020.
If this is an accurate description, it might be good to include it. Apr 23, 2010 build the ultimate wifi boosting cantenna. Most of the materials are probably sitting in your cupboard right now so it really can be built on a shoestring budget. Cantenna is a mashup of can and antenna creating the nickname for a directional waveguide antenna built from repurposed steel cans. For a long time now ive seen these cantennas made from pringles cans for boosting wifi. Although some designs are based on a pringles potato chips can, this tube is too narrow to increase the 2. Update after more trial and error, i realize that my original pringles cantenna was built too far back into the can. The pringles antenna design, and some designs that predate it, seem to treat it as though it were metallic. I will address each step of my build in detail and provide accompanying photos to help you complete your cantenna build. Looking for an inexpensive way to increase the range of your wireless network. I found that a coffee can diameter 88mm, and a large food can 101mm, were closest to the right size. At the portland summit in june 2001, andrew clapp presented a novel yagi antenna design. This article is a little bit of a departure for me.
The cantenna name is appropriate given that the product is in the shape of the can, similar to a pringle s can in size, and sits on a tripod. Getting a wifi antenna from pringles tube diy cantenna. This software is very useful to calculate cantennapan antenna dimension without any difficulties. In fact, any cantenna is a bad choice for serious penetration testing. If you havent watched it yet, check it out on usa network, amazon, or itunes before. I take no credit for his work, to me he is a mad genius that supplies easy to follow instructions to make a kick ass directional wifi antennas. It helped me built my aluminimum cantenna mini normal size if the applet doesnt load propably you dont have the java virtual machine. Use a super cantenna wifi booster antenna to amplify the range of your wifi network or connect to other wireless networks in your neighborhood. This calculator reports 86mm for the pringles hole.
Out of the multitude of antennas that i have built, his by far has been the most reliable. Cantenna cantenna design, cantenna building cantenna formulas how to calculate cantenna dimensions circular waveguide antenna for 2. How to build a pringles cantenna tutorial this is a reupload of my tutorial created in 2008 because it was removed due to problems. This means youre free to copy and share these comics but not to sell them. All cantenna parts are engineered to be compatible with 802. But simply using the formula above, you could theoretically make a waveguide antenna for any frequency. Although a pringles can is often mentioned, it is not a good can to be used for these purposes since it is too narrow. Mismatched antennas may damage your wireless devices. Aug, 2009 how to make a cantenna homemade wifi antenna. The current signal strength of the ap with a nondirectional antenna of the pirouette rolled wafers can is 78 at around 310 feet. You are responsible for keeping the wireless system within legal limits in your legislation. A project log for cemn community engagement mesh network. Although some designs are based on a pringles potato chip can, in reality this tube is.1145 272 1161 896 1501 53 818 918 587 457 1011 348 1250 444 1435 824 1241 292 1514 520 1484 166 731 610 1578 568 159 1036 1002 476 1073 1456 104 1119 396 828 124 1050 1385 1138 1169 1013 901 1120 340 1093 1193 1398 282 632