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Topic: Cantenna

	Cantenna - Wikipedia, the free encyclopedia
		A cantenna is a directional waveguide antenna for long-range Wi-Fi (compare hi-fi) used to increase the range of (or snoop on) a wireless network.
		While cantennas are useful for extending a local area network (LAN), the tiny design makes them ideal for mobile applications such as wardriving.
		The design of the cantenna is so simple that it is often the first antenna WiFi experimenters learn to build.
	en.wikipedia.org /wiki/Cantenna (256 words)

	Frequently Asked Questions for EtherDesigns (Site not responding. Last check: 2007-10-08)
		A "cAntenna" is a common name applied to antennas usually made from cans or cylindrical objects.
		Because the cAntenna uses a standard N-Female connector, the cAntenna end will need to be a standard industry N-Male connector, to whichever connector your device uses.
		The 5" Mini-Tenna, while not having as much gain as the 10" cAntenna, is useful for applications where a wider coverage area is needed and less gain is acceptable.
	home.carolina.rr.com /harothberg/cantennafaq.htm (7866 words)

	Wifi:Cantenna - Wikibooks, collection of open-content textbooks
		A cantenna is a directional waveguide antenna for long-range WiFi (cf.
		It requires four small nuts/bolts, a short length of medium gauge wire, a tin can roughly 9 cm (3.66 inches) in diameter, the longer the better, and an N-Female chassis mount collector, which can be purchased at any electronic supply store.
		While cantennas are useful for extending a local-area network (LAN), the tiny design makes them ideal for mobile applications, such as wardriving.
	en.wikibooks.org /wiki/Wifi:Cantenna (292 words)

	Cantenna connects rural home to the world
		The Meraka Institute's first Cantenna installed in a rural setting was successfully mounted onto the house of Agnes Mdluli, a health worker from Peebles valley, near White River in Mpumalanga, on July 6 2005.
		This can-antenna is made from a metal can, such as a coffee tin, and a section of bicycle spoke soldered into a special connector which can connect to another point with a similar antenna up to 5km away.
		Training will also be carried out to teach the community how to construct their own Cantennas, set up a wireless router and connect it to a computer.
	www.csir.co.za /plsql/ptl0002/PTL0002_PGE038_ARTICLE?ARTICLE_NO=7298999 (554 words)

	Super Cantenna Wireless Antenna - PracticallyNetworked.com
		Physically connecting the Super Cantenna to my WLAN router (a Linksys WRV-54G) was trivial, involving nothing more than unscrewing the included antenna and replacing it with the pigtail connector.
		In my testing, I set up the Super Cantenna to try get a strong signal to the furthest reaches of my rear porch, a location in which a signal was previously weak to nonexistent with the WRV-54G's standard omni.
		Using the Super Cantenna to cure dead spots in a home is ideally done in conjunction with a router with two external antennas.
	www.practicallynetworked.com /review.asp?pid=586 (1264 words)

	Techdirt: Now Cantennas Are Illegal Too? Why Don't They Just Outlaw WiFi?
		Now, what it sounds like the cantenna sellers may be saying is their device, being by itself - well, basicly useless, is compliant with part 15.
		If posessing a cantenna is illegal, then any other antenna permitted by FCC standards would be illegal too.
		The only way a cantenna would be illegal is if someone was using it to interfere with someone else's licensed network.
	www.techdirt.com /articles/20050725/017242_F.shtml (2597 words)

	Making an 802.11 antenna from a tin can
		I decided to build a cantenna based on the design I saw on this wonderful page.
		The design I used is known as the "Big Chunk" cantenna.
		The length is incorrect, I have not cut it to the proper size.
	www.cruftbox.com /cruft/docs/cantenna.html (546 words)

	How to build a tin can waveguide antenna
		A tin can waveguide antenna, or Cantenna, may be just the ticket.
		To use your cantenna, you'll need a special cable commonly called a "Pig Tail".
		One end of the cable will have a "N" Male connector (just right for connecting your your cantenna), while the other end will have a connector appropriate to your card or access point.
	www.turnpoint.net /wireless/cantennahowto.html (1085 words)

	A 2.4 Ghz High gain antenna. AKA Cantenna for Wireless
		As a result of these efforts, I have come up with my own version of the classic "cantenna" using 4 inch diameter aluminum dryer vent pipe, and a 4 to 6 inch pipe adapter.
		Although the basic design is the same as other cantenna type antennas, the materials I ended up using are a bit different.
		Location of the type N connector, and length of the antenna are critical.
	www.wb8erj.com /wirelessCantenna.html (402 words)

	ThinkGeek :: Super Cantenna (Site not responding. Last check: 2007-10-08)
		A Cantenna is simply an inexpensive version of the long-range antennas used by wireless internet providers and mobile phone companies.
		Now, with your own Cantenna you can extend the range of your wireless network or connect to other wireless networks in your neighborhood.
		Mounting Socket: The Cantenna is designed with a socket for easy mounting on camera tripods and other mounting hardware.
	www.thinkgeek.com /computing/accessories/7060 (302 words)

	CookieCantenna - Seattle Wireless
		If your cap is still cool, then it is transparent to microwaves and you can attach it to the open end of your cantenna without losing much signal strength.
		My solution was to take a strip of sheetmetal and bend it around a similarly sized can (don't use the cookie can for this, as it is thin walled) until I had a circular shape with two flat strips sticking out perpendicularly.
		A commercial version of a "cantenna" with an integral camera tripod mount is at:
	www.seattlewireless.net /index.cgi/CookieCantenna (2396 words)

	Super Cantenna tech comes to Airport users \| MacMinute News
		QuickerTek and Wireless Garden are teaming up to bring Super Cantenna directional wireless antenna technology to Airport users.
		Super Cantenna is a 12dbi 2.4GHz directional wireless antenna that purportedly pulls in signals in environments where Airport and Airport Extreme users have had difficulty making connections in the past.
		The Super Cantenna consists of: a 12-inch main tube antenna body that's made from weather-resistant UV coated metal and which can be mounted outside; cables that attach directly to a computer or Airport Base Station; and impedance adapters and user/installation instructions.
	www.macminute.com /2004/04/14/supercantenna (148 words)

	Do-It-Yourself Wi-Fi Antennas Update \| Pringles Cantenna WiFi Antenna
		When I taught a college class in Network Analysis and Design, I decided it would be both fun and educational to revisit the pringles cantenna, a directional 2.4 Ghz wireless network yagi antenna, with a collector rod assembly, compatible with 802.11b and 802.11g wireless networks.
		My first 2.4GHz cantenna "homebrew" experiment (click on the thumbnail images below) was way back in September 2001 (recorded in cinema verite style as a short digital movie -- currently offline) at the first San Diego "wireless install fest".
		The design was based on Rob Flickenger's original pringles cantenna article.
	www.binarywolf.com /249/pringles_cantenna.htm (262 words)

	Lincomatic's Homebrew WiFi Antennae (Site not responding. Last check: 2007-10-08)
		The result is my own cantenna calculator program, which I wrote in in C++, based on formulae obtained from the ARRL Antenna Book.
		My results from experimenting with a conical collector are documented in the section about my Bazooka Cantenna.
		I decided a cantenna might be the way to go, so I built a new one using 3 3.25" diameter cans...this makes the total length about 1.75 waveguide wavelengths.
	www.lincomatic.com /wireless/homebrewant.html (1892 words)

	Super Cantenna Kit, N Male To Rptnc/rpsma at X-tremegeek.com (Site not responding. Last check: 2007-10-08)
		The Cantenna is a long-range, directional antenna for sending and receiving wireless signals on the 2.4GHz ISM band (802.11b/g).
		Whether you're a hobbyist or wireless computer security professional, the Cantenna is perfect for wardriving, network security assessments, or extending or detecting wireless networks.
		Cantenna Ext Cable Rpsma M To Rpsma F 7ft
	www.x-tremegeek.com /templates/searchdetail.asp?productID=7303 (279 words)

	Cantenna (Site not responding. Last check: 2007-10-08)
		See this great site on how to build your own cantenna.
		We modified the 900ap's to have a secondary external antenna with a standard BNC connector:
		Here's are of the Cantennas, one was made from an Enfamil Baby formula can and mounted on the house, the other was a Foldgers coffee can.
	members.tripod.com /visegrip72/cantenna.htm (137 words)

	Cantenna - LinuxQuestions.org
		AFAIK the only way you can screw your brain with a cantenna is if you keep it pointed to your head at close range or something like that...
		Also, you'd need a cantenna tuned for the band(s) that your cell phone uses, or else it would be WORSE than the stock antenna.
		you'd need a cantenna tuned for the band(s) that your cell phone uses, or else it would be WORSE than the stock antenna.
	www.linuxquestions.org /questions/showthread.php?threadid=369458 (890 words)

	Hugh's NetStumbler / Cantenna Home Page
		Details about the construction and dimensions of this Cantenna can be found Here.
		This Cantenna has a diameter of 106mm which is just about right for a 2.4 Ghz waveguide type Cantenna just perfect for 802.11 work!
		Now this is just on raw signal strength, noise rejection due to directivity still makes a directional antenna a better choice for some uses even if there is no gain benefit.
	mywebpages.comcast.net /hughpep (1167 words)

	Build your own Cantenna
		This page describes how to create your own cantenna to boost your wireless b or g signal.
		I know that this has been covered before, however due to the recent news about them becoming illegal to own...
		This might be old news, but we need to get the info out there before the cease & desist order comes in...
	digg.com /mods/Build_your_own_Cantenna (574 words)

	EtherDesigns, WiFi cAntenna (Site not responding. Last check: 2007-10-08)
		The cAntenna does not come with a tripod, unless purchased as part of a package deal.
		But, in addition to this, the final assembly of my cAntennas is done by hand to insure each product passes strict tests.
		My cAntennas are also being used all over the world by both military and civilian personnel.
	www.etherdesigns.com /pages/13 (7380 words)

	Boing Boing: Hi-tech cop: cantennas are illegal to possess -- UPDATED
		When police searched his home, they found aluminum-lined, cylindrical potato-chip containers that some hackers use as crude antennas to help them intercept wireless signals.
		Known as "cantennas," they consist of a Pringles can and some hardware worth $5 to $10 but can be used to amplify a wireless signal several miles away.
		He says he doesn't remember if he said that cantennas are illegal, but he affirms that he doesn't believe that they are.
	www.boingboing.net /2005/07/26/hitech_cop_cantennas.html (425 words)

	Techdirt: The Myth Of The Evil Cantenna Spreads To Other Newspapers
		Well it only took a few days for the next "accessing open WiFi is evil" news article to show up, this time in the Cleveland Plain Dealer.
		However, what's extra amusing about this piece is it quotes someone who seems to have picked up on the whole illegal cantenna meme without actually understanding it.
		Update: It's been pointed out that there are some cases where it is possible to use a Cantenna to extend the range on a WiFi card searching for an access point, though very few cards have the connector necessary to do so.
	www.techdirt.com /articles/20050727/1036208_F.shtml (988 words)

	Cantenna Mark 2
		My interest raised, I then set about building Cantenna, the sequel, this time using some of the more tried techniques.
		The spreadsheet for optimal can design here http://www.concentrate.com.au/misc/circular_waveguide_optimise.xls, suggests that the right length is about 2 tins instead of just the one.
		Originally I had planned to stick the NIC inside the plastic casing but the tins take up all the space so simplicy rules and a couple of bits of velcro and a cable tie results in a quick fix (Present waterproofing for the NIC being provided by a polythene bag - not shown for clarity):-
	www.nodomainname.co.uk /cantenna2/cantenna_mark_2.htm (709 words)

	Pringles Yagi Antenna
		I did not devise the term "Cantenna", but to the best of my knowledge, I did build the first one using the popular brand potato crisp can.
		Here are some Cantenna measurements to help give an idea of what we are trying to build.
		I believe that only together could we have perfected the art of getting the blurryest possible image from those little disposable cameras.
	www.netscum.com /~clapp/wireless.html (4344 words)

	eBay Store - WarDriving: Orinoco, Cantenna, Netstumbler (Site not responding. Last check: 2007-10-08)
		Purchase with confidence from a Gold Power Seller with a +3,400 feedback rating.
		Build 2 Cantennas for Orinoco (Parts, tripod, pigtail)
		Use of this Web site constitutes acceptance of the eBay User Agreement and Privacy Policy.
	stores.ebay.com /War-Driving-World (488 words)

	Starter Kits & Cantenna Kits - Fleeman, Anderson & Bird, Corp.
		These starter kit builders have been put together to give you everything you need to extend the range for your 802.11 gear in one easy to select from page.
		Select your antenna, cables and surge arrestor to suit your outdoor specifications.
		Many customers have asked, what is a Cantenna, and how do I make one.
	www.fab-corp.com /home.php?cat=264 (209 words)

	Wireless Garden Super Cantenna Wireless Network Booster Antenna - SCB10 - CompUSA.com
		With the optional Laptop Adapter, you can easily connect the Super Cantenna to your PCMCIA card with external antenna port.
		Use the form below to subscribe or manage a subscription.
		CompUSA is a registered service mark of CompUSA Management Company.
	compusa.com /products/product_info.asp?product_code=315787&pfp=srch1 (186 words)

	Evertek Wholesale Computer Parts - Super Cantenna Extenna 7-Foot RPSMA M to F Extension Cable , SCBX7
		This 7-foot extension cable is perfect for desktop PCI cards, routers, access points or other devices that are poorly positioned under desks, in closets or behind walls.
		This Super Cantenna Extenna is a Wi-Fi antenna extension cable that's compatible with most Wi-Fi devices that have RPSMA connectors or removable antennas.
		Super Cantenna Extenna 7-Foot RPSMA Male to Female Extension Cable
	www.evertek.com /viewpart.asp?auto=16244 (178 words)

	[No title]
		There are lots of connector variations so I recommend ordering your pigtail then take it with you to Radio Shack to get the appropriate BNC cable and adapter for your setup.
		To see if something is transparent to microwaves put it in a microwave oven for a minute.
		If it stays cool., it'll be ok. WIFI Quart Paint Cantenna The standard quart paint (4-3/16" diameter x 4-7/8" high) is appropriate for a high gain 2.45 ghz antenna.
	www.newarts.com /PCSCantenna.doc (1629 words)

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