Can you please explain how radio frequency identification systems operate? —Name withheld ——— That's not a simple question to answer, since different RFID systems work in different ways. So let me start with what radio frequency identification is: RFID is any...
I am looking for the best medium-range (1 to 3 meter) miniature interrogator—ideally, one with its own battery power source. What would the experts suggest? —Name withheld ——— I am unaware of any reader that would fit your needs. A read range of 3 meters...
Who can assist or sponsor me in getting a Ph.D. degree conducting RFID-related research? I would like to approach certain funding agents, as I have already identified a few universities in the United Kingdom. —Name withheld ——— I am unaware of any businesses that...
Contracts are for one year, with four one-year option periods.
Please explain what this term means. —Name withheld ——— A semi-passive tag is an RFID tag that has a battery but communicates with a reader using back scatter, like a passive tag without a battery. The battery is usually used to power a sensor, and to run the...
Has RFID Journal conducted any studies with regard to the U.S. pharmaceutical, retail and health-care sectors? —Manish (India) ——— Dear Manish, RFID Journal does not perform market-sizing studies, so we do not have that information. Analyst firms that do conduct such...
I am a farmer with many cows. I would like to attach an RFID tag to each animal, so that I can see which paddock it is in at any given time, via Google Maps. Is this achievable, and what would the costs be? —Name withheld ——— The short answer is yes, though Google...
I am a Mobile Switching Centre (MSC)-qualified telecommunications engineer from Sri Lanka, and I am interested in learning about radio frequency identification. —Name withheld ——— To my knowledge, there is no free training available. We offer an online course,...
Please indicate what the upper limit is for both measurements. —Name withheld ——— That depends on whether you are talking about a generic RFID transponder or one specifically designed to handle higher temperatures and pressure. Generally speaking, a generic...
Is there a tag available that can do this? —Name withheld ——— Some active RFID tags have input and output ports on their circuit boards, enabling users to connect sensors and have sensor data transmitted to readers. There are also a wide variety of active RFID sensors...
How accurate is RTLS technology when pinpointing assets? —Name withheld ——— Are you referring to read accuracy or location accuracy? Active tags used in most real-time location systems can usually be read 100 percent of the time, since they broadcast their signal like...
Motorola RFID’s John Rommel has penned a poem for everyone in the RFID industry.