Are there any passive tags currently on the market that can trigger a metal-oxide-semiconductor field-effect transistor (or MOSFET—a device used for amplifying or switching electronic signals) utilizing power from the transmission? —Name withheld ——— I am unaware of...
What would be the approximate cost of implementing an attendance-monitoring solution for a school with passive tags for approximately 500 students? —Name withheld ——— The answer would depend on the number of rooms and areas in which you want to identify students. If...
You mentioned at an event I attended that RFID Journal was working on a report that will explain the many different types of RFID systems, the strengths and weaknesses of each, and the applications for which they are typically employed. Have you completed this report?...
Where can I find a list of such businesses? —Name withheld ——— There are a number of large firms, such as Motorola, Texas Instruments and NXP Semiconductors, that are publicly listed and heavily involved in the production and advancement of radio frequency...
I am very interested in underground mining applications for radio frequency identification. How are mines and mills using this technology? —Theresa, Brazil ——— Hi, Theresa, We have posted many articles about mines that employ RFID. Below is a list of some of them: •...
I know there are a number of systems available that allow for the monitoring of temperature and location. What would you recommend? —Name withheld ——— The best option is the one that works best in your particular application. Aeroscout offers active RFID tags with...
Where can I find information regarding security issues pertaining to the use of active RFID tags operating at 433 MHz, and how can I ensure the reliability and security of data when working with active RFID? —Abudi, Israel ——— Dear Abudi, The main risk when using...
My company seeks to track huge amounts of raw materials (metals) in inventory. Is there such a thing as a rugged, disposable RFID tag that can work on metal? —Name withheld ——— The terms "rugged" and "disposable" are antithetical to the world of radio frequency...
Has your company hosted any webinars concerning the use of radio frequency identification technologies in that sector? —Name withheld ——— We have not, but in 2007, we did publish a Premium Content article outlining some of the benefits hospitality businesses are...
The head of the University of Arkansas’ RFID Research Center brought a level of credibility to the RFID industry.
Do you foresee a future in which RFID chips will be so cheap that they would be found on a can of Coke, or a bottle of beer? —Dan, United Kingdom ——— Dan, That's a difficult question to answer, because it is highly speculative. For RFID tags to reach a price at which...
What are the expected trends for the U.S. government's spending on the technology over the next decade or so? —Name withheld ——— I have not seen any recent projections for U.S. government spending on radio frequency identification, though the U.S. Department of...