Daniel Dobkin has been involved in the development, manufacturing, and marketing of communications devices, components, and systems for over 28 years. He holds a BS from the California Institute of Technology, and MS and PhD degrees from Stanford University, all in Applied Physics. He is the author of three books and 30 technical publications, and holds 7 US patents as inventor or co-inventor. He has given numerous talks and classes on radio-frequency identification in the US and Asia. He specializes in physical-layer issues: radios and signal generation, antennas, and signal propagation. Alan Bensky, MScEE, an electronics engineering consultant with over 25 years of experience in analog and digital design, management, and marketing. Specializing in wireless circuits and systems, Bensky has carried out projects for varied military and consumer applications. He is the author of Short-range Wireless Communication, Second Edition, published by Elsevier, 2004, and has written several articles in international and local publications. He has taught courses and gives lectures on radio engineering topics. Bensky is a senior member of IEEE. David A. Lide currently is a Senior Member of the Technical Staff at Texas Instruments and has worked on various aspects of Voice over IP for the past nine years. Prior to that, he has worked on Cable Modem design and on weather satellite ground systems. He lives with his family in Rockville, Maryland. Farid Dowla received his BS, MS, and PhD in electrical engineering from the Massachusetts Institute of Technology. He joined Lawrence Livermore National Laboratory shortly after receiving his doctorate in 1985. His research interests include adaptive filters, signal processing, wireless communication systems, and RF/mobile communication. He currently directs a research team focused on ultra-widebandRFradar and communication systems. Dowla is also an adjunct associate professor of electrical engineering at the University of California at Davis. He is a member of the Institute of Electrical and Electronic Engineers (IEEE) and Sigma Xi. He holds three patents in signal processing area, has authored a book on neural networks for the U.S. Department of Defense, and has edited a book on geophysical signal processing. He contributes to numerous IEEE and professional journals and is a frequent seminar participant at professional conferences.