Would it be possible to have an RFID reader in a doorway interrogate a passive tag located within a person's pocket—either attached to a keychain, or sitting in a wallet—without requiring him or her to take it out, and to then cross-reference the information culled...
s9800078
s9800078's Latest Posts
Is RFID Being Used on Public Buses?
Are there any examples of radio frequency identification technology being utilized to track such vehicles? —Name withheld ——— Yes, there are several examples. Transit companies in Texas and the U.S. Northeast and Midwest are piloting a public-transit management...
Can RFID Tags Be Read Through Concrete?
I am doing a project on RFID technology, and I have a few questions regarding tags. If there is a thick concrete wall, or some other barrier, between a tag and a reader, can the tagged object still be read? And what are the differences between active, passive and...
Can Chemical Containers Be Traced From Port to Port?
Could RFID monitor the crates from our facility through transportation, storage at a customer site, return to our premises and, finally, disposal? —Name withheld ——— It could do that, yes—if you could convince the port and your customer to allow you to install RFID...
What Standards Govern Passive RFID?
Please provide some details regarding the various protocols in place. —Name withheld ——— The International Organization for Standards (ISO) has developed a number of standards governing the use of passive RFID tags, depending on the specific frequency that a tag uses,...
Can One EPC RFID System Work Worldwide?
Or are different frequencies required? —Name withheld ——— EPC Gen 2 RFID systems operate in the range of 860 MHz to 960 MHz, which is the frequency available for passive ultrahigh-frequency (UHF) RFID systems within most countries. There are tags designed to work...
Can I Identify Flying Insects Using an Array of RFID Readers?
Many research articles that I have found, as well as your recent post about tracking insects using radio frequency identification (see How Can I Track Insects Via RFID?), focus on identifying bugs at very close range (1 centimeter or less), but I understand that there...
Can RFID Be Downloaded as a Tag to a Smartphone?
And can a scanner pick up or read the tag on the phone? —Name withheld ——— To be honest, I'm unsure what you mean by the tag being downloaded to a smartphone. The tag is a physical object, and cannot be downloaded to a phone. There are Near Field Communication (NFC)...
Can Passive Tags Be Tracked With a Camera or Multiple Cameras?
This would need to be accomplished within a space measuring approximately 100 feet by 200 feet, and there would be up to 15 tags at a time within that space. —Arnold Bennett ——— Arnold, If I understand what you are trying to achieve, I don't think what you are asking...
Can You Recommend an Inexpensive UHF Vehicle Scanner?
If possible, we would like something that connects easily to a PC. —Doug ——— Doug, There really isn't an ultrahigh-frequency (UHF) vehicle scanner, I'm afraid to say. But there are readers and antennas that can be mounted at a parking-lot entrance that can read a...
How Can Files Be Secured Via RFID?
What type of system would you suggest for logging files into and out of a secure room? —Name withheld ——— That would depend, to some degree, on the nature of the secure room, as well as what you would like the solution to accomplish. Many companies employ passive...
The Tone of RFID News Coverage Changes
Articles written by retail publications are starting to become more positive.
