RFID technology becomes more common in everyday life. A RFID transponder or tag includes a microchip that is effective for storing a little amount of data. An antenna is there for sending the radio waves over a short distance to the reader. An active tag contains a battery for transmitting the signal.
It is expensive compared to the passive tags. RFID passive tags do not contain battery and they are cheaper compared to their active counterpart. You may look for the RFID chip timing Amarillo Texas on the Internet for obtaining more information on this.