All the calculations we've performed so far assume that a wave leaves the antenna and strikes the tag, interacting with no other objects. This kind of calculation is very sensible if the tag and ...

From goats in the field to gowns on the track, radio tags are deployed as silent co-workers that boost speed, accuracy & ...

The answer depends on the type of radio frequency identification system, and on what you mean by “at one time.” Let me take the second part of the question first. Technically, all RFID readers can ...

Sunnyvale startup Wirama announced that they've finished the most precise RFID reader available yet, with the ability to locate passive RFID tags to within 6 inches (through the EPC Class 1 Gen 2 ...

A UK company has developed a radio frequency identification (RFID) reader that supports Near Field Communication (NFC), a new standard that will allow electronic devices to interact when touched ...

A periodic signal that persists indefinitely, without changing its amplitude, frequency, or Phase–a continuous wave (CW) signal–carries no information other than the fact that it is present. In order ...