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Email Article Share Articles Reddit Facebook Twitter del.icio.us Digg Slashdot DZone StumbleUpon FriendFeed Furl Print Article It's hard not to love the spirit of ingenuity and entrepreneurship behind the Super Cantenna, Subscribe IEEE Account Change Username/Password Update Address Purchase Details Payment Options Order History View Purchased Documents Profile Information Communications Preferences Profession and Education Technical Interests Need Help? The diameter is too small to capture the complete spectrum. You will have to remove one of the existing antennas to attach the pigtail. http://66software.com/driver-scanner/driver-scanner-scanny-network.html

With all the 2.4 GHz already out there, from cordless phones to baby monitors to microwave ovens, you wonder if we aren't creating quite a bit of interference." The cure is It has a beam only about 30 degrees wide. Get Help Feedback Technical Support Resources and Help What Can I Access? The Super Cantenna is not omni-directional, however. http://egyvuva.twomini.com/2015/.../driver-scanner-canny-networkhtml

He predicts that "cable and DSL providers will eventually come down hard on them." Related Articles FastKat 1, Goliath 0 Wi-Fi Storms Atlanta War(chalking): What is it Good For? 802.11 Cantennas The idea of a home-made tin can radio frequency (RF) antenna isn't original to Wi-Fi enthusiasts, he points out. The company can leave the Internet connection in place in the old office and start moving people into the new space. The diameter and length of the tube and the placement of the probe are critical factors in antenna design.

Another application Brook likes is gamers using the Super Cantenna to link their game units or networked PCs so they can play mano a mano over the direct connection at very The typical situation is a service provider with a transmitter on a hill providing coverage of a town in the valley below. In the beginning, Wireless Garden was selling the product mainly to Wi-Fi enthusiasts. Cantennas mounted on the roofs of subscribers' homes or businesses can extend the service providers' range to reach customers that would otherwise not be covered.

Please enable Javascript in your browser, before you post the comment! The Wireless Garden Web site offers a pigtail finder -- select your access point or router model from a drop-down list and it tells you which pigtail to buy. It captures an RF signal in a metal tube and focuses it on a sensor or probe inserted into the tube. http://support.lexmark.com/index?page=content&docLocale=en_US&id=DR23660 They typically cost about $20.

Aiming the Cantenna is simple, Brook says. "It really is just plug in, point and shoot -- like pointing a rifle." As community mesh networks made up of volunteer Wi-Fi relay Some businesses are using them for temporary bridging between an old office and the new one they're moving into. You have characters left. People use them for illegal and quasi legal activities, Brook admits, such as war driving -- driving around a city, scanning the air waves for unsecured Wi-Fi signals.

Join us at the 802.11 Planet Conference & Expo, June 25 - 27, 2003 at the World Trade Center Boston in Boston, MA. read this post here You an attend the panel entitled Better WLANs through Better Antennas. But the Super Cantenna works with most access points. Many PC card adapters of course don't have removable antennas and some access points don't either.

One of those traditional designs -- which is also used in much more expensive commercial products -- is the waveguide or feed antenna, a directional antenna design. this content The 18-inch XL ($30) delivers 18 dBi of gain, the 24-inch XXL ($50) delivers 24 dBi. Brook points out, however, that sharing a high-speed Internet connection with a neighbor almost certainly violates the terms of the contract the subscriber signed to get the service. The Cantenna's design, of course, is inspired by and based on the famously homespun Pringles can antennas used by Wi-Fi war drivers and freenet operators.

Commercial antennas from traditional vendors would do the same thing, of course, but they're much more expensive. The probe is connected by a cable to the RF transceiver, which in this case would be an 802.11 access point. We hear of [the range on Wi-Fi access points] going from 500 ft up to several miles with the Super Cantenna." A mile would be a better estimate of the typical weblink Interference will be a problem for Wi-Fi, Brook believes. "More and more people are purchasing residential Wi-Fi networks.

The other thing about a Pringles can, Brook points out, is that it's not metal so it's not much good outdoors, and that's where more and more customers, including wireless ISPs Institutional Sign In By Topic Aerospace Bioengineering Communication, Networking & Broadcasting Components, Circuits, Devices & Systems Computing & Processing Engineered Materials, Dielectrics & Plasmas Engineering Profession Fields, Waves & Electromagnetics General Only it's much better, says Brook -- good enough in fact to use in commercial networks.

He insists his Cantennas are easy to install.

Some homeowners are using Cantennas to extend high-speed Internet and local area network services to guest cottages or remote patios and decks on their properties. This may seem no more ethically problematic than using a Wi-Fi LAN to distribute a high-speed cable or DSL connection throughout a house, a practice many service providers turn a blind The day we talked to him, a Dutch WISP had placed an order for 300 Super Cantennas. "We're just now starting to get significant volume orders from WISPs and hotspot operators," That translates into greater range.

Testing was still underway at the time of writing so Brook would say nothing definite about range. That is why the Cantenna is so much better than a home-made Pringles cantenna, Brook explains. "A Pringles can is really not the best for 2.4 GHz. Snel, terug naar de bewoonde wereld! http://66software.com/driver-scanner/driver-scanner-4-0-1-6-rk-x.html Even where WISPs don't have problems with out-of-range customers, they can reduce the potential for interference by turning down the power on their tower-mounted radios, using more directional antennas and Cantennas

It's only about 2-1/4 or 2-1/2 inches wide." A Pringles can as a result has less range and will only deliver some of the channels available in the spectrum, he says. Now Javascript is disabled. 0 Comments(click to add your comment) Comment and Contribute Comments (Maximum characters: 1200). ContactinformatiePancrationZilverberg 68B,1025 BE Amsterdam[email protected] NavigatieContact © 2017 Pancration © 2017 Pancration Zoeken naar: Wi-Fi Planet Login Register Reviews Controllers & Access Points Devices Security Tools Software Tutorials & Training Security Home US & Canada: +1 800 678 4333 Worldwide: +1 732 981 0060 Contact & Support About IEEE Xplore Contact Us Help Terms of Use Nondiscrimination Policy Sitemap Privacy & Opting Out

Brook's idea -- he calls it "cans across America" -- is that his company's inexpensive antennas could be used to create ubiquitous Wi-Fi coverage by linking and extending the range of More important, wireless ISPs and hotspot operators all over the world are starting to beat a path to Brook's door, virtually speaking. Toggle navigation Home Gratis proefweek Over ons Lesaanbod Faciliteiten Blog Contact 404 Oh Nee! They also use them to share high-speed Internet connections in a neighborhood.

Je bent een doodlopende weg ingedraaid... Use of this web site signifies your agreement to the terms and conditions. Perspective/Opinions News Security Home and Small Business Management Controllers and Access Points Devices Security Tools Software Site Map Skip to Main Content IEEE.org IEEE Xplore Digital Library IEEE-SA IEEE Ham radio hobbyists were there first, decades ago, with coffee can antennas. "When the Wi-Fi enthusiasts started pulling out their antenna handbooks, they recognized that many traditional antenna designs, though they

The remaining antenna will continue to provide omni-directional coverage. Word has spread about the Cantenna, though, and Wireless Garden's market is slowly changing now. Professional network security auditors are using the Cantenna to test the outer boundaries of their companies' or clients' wireless LANs, for example. The result is a directional antenna that delivers 12 dBi of gain, compared to ratings of as little as 2 dBi for the antennas built into Wi-Fi access points.

Wireless Garden has two new products coming -- Wireless Booster antennas -- that offer even greater range because they're longer.