Is it possible to use both near-field and far-field tags and reader antennas in a single RFID system? Can a near-field tag communicate with a far-field reader antenna, and vice versa? —Name withheld ——— Passive low-frequency (LF) and high-frequency (HF) RFID tags...
What is the size of the entire market for RFID hardware, software and services, and what is its compound annual growth rate? —Name withheld ——— ABI Research is one of the companies that tracks the size of the RFID market and its growth. In March of this year, the firm...
Would it be possible for an RFID transponder to vibrate slightly whenever it is very close to another transponder? —Name withheld ——— The answer depends on the type of transponder you choose. In most cases, transponders communicate with an interrogator, and not with...
Where might one find nice illustrations related to radio frequency identification? Does RFID Journal have a repository of those for small systems integrators? —Name withheld ——— We have some images that we can make available on a case-by-case basis. However, we do not...
Do you know of any businesses that provide visitor-management solutions based on radio frequency identification, to track people moving within various floors of a building in real time? —Jignesh, India ——— Jignesh, A wide variety of companies offer technologies that...
How might radio frequency identification technology be used in a medical center that is switching to electronic records? —Name withheld ——— Good question. I have not heard of any hospital that has fully integrated RFID with its electronic medical records system, but I...
I need an off-the-shelf system for inventory and security in a coin shop. Any suggestions? —Name withheld ——— I am unaware of any RFID systems designed specifically for coins, but TJS offers a solution for tracking jewelry that might also meet your needs (RFID Tracks...
Has anyone developed an RFID solution for tracking histology cassettes used for tissue-specimen safekeeping? We use a strong microwave field (1,000 Watts at 2,450 MHz). Are there any producers of microwave-resistant tags? —Matteo, Italy ——— Matteo, I am unaware of...
Is active radio frequency identification commonly utilized in such applications? —Name withheld ——— We have not seen a lot of deployments that use active RFID real-time locating systems (RTLS) to manage emergencies. BP has deployed an ultra-wideband (UWB) system to...
Is there a "dark zone" within the zone that an RFID interrogator can read an RFID tag? I'm using a UHF Gen 2 reader to test the tag. When I set the power to 30dBm, I notice that at some distances—for example, 5 meters from the reader antenna—the reader cannot read the...
Impinj’s Monza 4 chips edged out Tego’s high-memory tag and Omni-ID’s Ultra tag.
An article by Dirk Rogers, co-chair of the GS1 EPCglobal Drug Pedigree Messaging work group, suggests RFID is dead at the item level in the pharmaceutical industry. Here’s why his death notice is premature.