RFID technology is becoming increasingly common in everyday life. If you have used a transportation pass, buy clothes security, he said, and even borrowed a book from the library, the risks are that you have found the RFID technology without realizing it.
An RFID transponder, or tag, consists of a microchip that can insert a small length of data, and an antenna that can currently transmit through radio waves at close range to an RFID reader. An active RFID tag contains a battery and can transmit a signal, but is more expensive, while passive RFID tags do not contain batteries, are cheaper, but they must be activated by a reader to input the data stored in they. Most RFID applications for everyday use passive RFID tags. (more…)