Is it possible to get a read distance of 10 – 15 feet from a passive label attached to a bag similar to RFID labels attached to bags at airports?
They are many UHF RFID tags, with read range up to 10 ft to15ft. The passive transponder technology available in the UHF region changes rapidly due to an evolutionary process forced by the chip designers and by new tag antenna designs. Read range basically depends either on the reader sensitivity or on the tag sensitivity. Tags with larger antennas are expected to harvest more energy from the interrogation field leading to greater read range, however interrogators with better receive sensitivity can detect a weak backscattered signal from the tags.
