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 & ...

A transmitter/receiver that reads the contents of RFID tags in the vicinity. Also called an "RFID interrogator." The maximum distance between the reader's antenna and the tag vary, depending on ...

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 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 ...