Brands and product names mentioned in this book are trademarks or service marks of their respective companies. An interest in amateur radio helped him bridge the gap between computers and wireless networks. Water is a good absorber, and metals are good reflectors. Except as permitted under the Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher, with the exception that the program listings may be entered, stored, and executed in a computer system, but they may not be reproduced for publication. Prior to RafCore Systems, he founded AlbumNet Technologies specializing in online photo sharing and printing. Printed in the United States of America. Having learned at a young age which end of the soldering iron was hot, he has even been known to repair hardware on occasion.
DasHersh BhargavaAnita CampbellThis page intentionally left blankElsevier, Inc. Anand has held senior management positions at Vitria, Tibco, Adept, Autodesk and Intergraph. Frank Thornton runs his own technology consulting firm, Blackthorn Systems, which specializes in information security and wireless networks. This chapter provides some bare-bones physics concepts. Electromagnetic waves, like any other wave, are characterized by their frequency and wavelength. It helps in understanding electricity, magnetism and electromagnetism. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.
About the Author Frank Thornton runs his own technology consulting firm, Blackthorn Systems, which specializes in information security and wireless networks. Brands and product names mentioned in this book are trademarks or service marks of their respective companies. His specialties include wireless network architecture, design, and implementation, as well as network troubleshooting and optimization. In no event will Makers be liable to you for damages, including any loss of profits, lost savings, or other incidental or consequential damages arising out from the Work or its contents. In radio frequency communication, the information is encoded into the carrier signal using a technique called modulation, which means variation or change. He is the author of several books on technology and project management published by publishers such as McGraw-Hill and Thomson Course Technology. John is also a moderator for netstumbler.
He can be found in Edmonton, Alberta, Canada, probably taking something apart. Prior to RafCore Systems, he founded AlbumNet Technologies specializing in online photo sharing and printing. The answer to this question is problems, all kinds of problems, including reader failure, , network connectivity problems, and so on. To determine the type of an attack, one must understand the possible objectives of that attack, which will then help determine the possible nature of the attack. You take the data signal that represent the information and impress it on a constant radio wave called a carrier. His work frequently borders on the absurd as his approach is usually one of ignoring conventional logic and just doing it.
The carrier signal itself is a constant signal unchanging in frequency and voltage—for example, a sine wave. He spends much of his time maintaining personalwireless. The impedance mismatch will result in reflecting part of the energy from the antenna back to the source, and the forward wave and the reflected wave will interfere with each other. The product provides management for all synchronous communications that takes place in real time. You do not have to take my word either; Mobile Handset DesignLine has published select sections from the book on their Web site. Fung received a Bachelors and a Master Degree in Computer Science from the University of Hong Kong.
With 15 years of experience in building enterprise strength application, he has worked in senior technical positions for Fortune 500 companies. This is where monitoring and troubleshooting enter the scene. His specialties include wireless network architecture, design, and implementation, as well as network troubleshooting and optimization. As a detective and forensics expert he has investigated approximately one hundred homicides and thousands of other crime scenes. He resides in Vermont with his wife. One don't need to have a Ph. Paul SangheraFrank ThorntonBrad HainesFrancesco Kung Man FungJohn KleinschmidtAnand M.
Because some states do not allow the exclusion or limitation of liability for consequential or incidental damages, the above limitation may not apply to you. Paul Sanghera is an educator, technologist, and an entrepreneur living in Silicon Valley, California. While making installation decisions and during the actual installation, you must conform to the safety requirements that involve both protecting the equipment from the environment as well as protecting the environment including personnel from the equipment. With a Master degree in Computer Science from Cornell University and a Ph. John Kleinschmidt is a self-taught, staunch wireless enthusiast from Oxford, Michigan.
How to Cheat at Administering Microsoft Office Communicator 2007 provides the busy system administrator with any easy-to-access reference that provides step-by-step instructions on how to install, configure, manage and troubleshoot Communicator across the network. For optimal results, the installation must be planned, which includes considering power sources and system variables such as operating frequency, operating environment, number of antennas, and so on. These goals are established by regulating the maximum power emitted by the devices and by regulating operating frequencies. As a detective and forensics expert he has investigated approximately one hundred homicides and thousands of other crime scenes. It is the perfect tool for those who simply need to complete a task without reading through lots of theory and principles. Having learned at a young age which end of the soldering iron was hot, he has even been known to repair hardware on occasion. Hardware components such as readers and antennas must be tested as units for their features and performance before installing them into a system, where they will be tested again as part of the system test.
An interest in amateur radio helped him bridge the gap between computers and wireless networks. You will be introduced to readers and tags later in this chapter Electricity and magnetism are related to each other and can be looked upon as two facets of what. As an engineering manager, he has been at the ground floor of several startups. Syngress: The Definition of a Serious Security Library , Mission Critical, and The Only Way to Stop a Hacker is to Think Like One are trademarks of Elsevier, Inc. In addition to his computer and wireless interests, Frank was a law enforcement officer for many years. Each vector corresponds to a portion of the system. Render is usually near by on any wardriving and wireless security news, often causing it himself.