Usually a RFID system includes individual objects. These are equipped with an inexpensive and little tag. The tag includes a digital memory chip and a transponder which is provided an exclusive electronic product code. The interrogator and the antenna are packaged with a decoder and transceiver.
It emits a signal to activate the RFID tag and it can read and write data also. This tag can be used to access to the medical records of the patients. You may search for RFID Chip Timing Ogden Utah on the Internet to get more information in this regard.