What are some problems inherent to placing both types of tags within the same document? —Mike ——— Mike, If the transponders' antennas were to touch, they would become detuned, thereby preventing them from being read. If the transponders were attached on top of a...
I hear a lot about using passive or active ultrahigh-frequency (UHF) RFID for tracking students. But do such solutions really work—and if so, how would a school ensure that each student carried only one card? —Name withheld ——— Student-tracking technology can...
Please point me in the right direction. Thanks. —Name withheld ——— Here are three that I know of: Rasilant Technologies Pvt. Ltd. A-309, Crystal Plaza, Link Road, Andheri West, Mumbai, Maharashtra, India SkandSoft Technologies Pvt. Ltd. Plot No. CTS 322, Spanco House,...
If so, how might I contact some of them? —Name withheld ——— Yes. There are many young companies in the radio frequency identification industry that could use more capital. I would not want to publish a list, however, for fear of making it seem as though those firms...
Would we be able to utilize the technology to monitor employees entering and exiting a secure area? We are looking for a way to perform a formal count of all staff members within a specific section of our facility. —Name withheld ——— Absolutely. If you simply wanted...
Is this a feasible application of the technology? —Hubert ——— Hubert, In general, most companies employ an active (battery-powered) radio frequency identification system to track trucks entering and leaving a mine with a load. This can be accomplished via a real-time...
Companies want solutions that can address their issues, so that’s what RFID solutions providers need to discuss—not their technology.
I imagine that they employ the same frequency, but I can't find an answer to this question. If they don't, would I need to buy separate readers for different RFID products? —James ——— James, I'm unclear whether you are merely using bicycles as an example of a product...
Do such tags pose any ignition hazard, and has testing been performed to determine whether they can be dangerous? —Daniel ——— Daniel, The ATEX Directive, which became mandatory in Europe in 2003, dictates that all electrical and mechanical equipment used near...
And how can I prevent the reading of tags that I don't want interrogated? —Name withheld ——— Those are often two different issues. There are several ways in which to contain RFID signals. Some companies build Faraday cages, which are typically metal mesh enclosures...
What would that time be, in seconds? —Name withheld ——— I am unsure what you mean by "fastest acceptable or reliable." The EPC Gen 2 RFID protocol calls for tags to be read at a rate of 850 times per second under the Federal Communication Commission's RF restrictions,...
Do you have any information regarding price quotes from the major tag providers? —Name withheld ——— Providers of radio frequency identification solutions rarely quote prices because they rely on so many factors. The biggest one is volume, while another is a user's...