RFID tagging includes an identification technology. It includes small devices of radio frequency identification to facilitate tracking and identification process. This tagging method involves a tag, a write or read device, and host arrangement to collect the data, process it and transmit the data.
The RFID tag includes some memory, an antenna etc. If you want to get more information on this regard, you may search for the RFID chip timing Vancouver Washington on the Internet. This way you can gather plethora of information on the radio frequency identification technology.