How Did RFID Originally Work, and How Does It Work Now? In the beginning, as IFF, RFID was used on British planes with transponders that would answer with a coded signal when intercepted by radar.

If you're looking for a way to get past that daily tool booth faster, you may have looked into an RFID toll tag. Here's how they work, and when they might not.

There are many different types of RFID systems employed worldwide, but generally speaking, a device used in cars for toll-collection purposes would be an active transponder that stores a unique serial ...

Hewlett-Packard was an early adopter of RFID technology. Now, the IT and computer powerhouse wants to put knowledge gained internally to work for its customers.

How Does a Chipless RFID Tag Work? The new design is passive. As the RFID Journal explains, it consists of “a sensor material [made from PDMS silicon rubber and carbon fibers] and an antenna”.

Symbol Technologies' $230 million cash bid last week to buy Matrics, a maker of RFID tags, is another clear indicator that this technology will become more ubiquitous in the next two years. And ...