The RFID technology has two parts for example the reader and the tag. The reader has two parts such as a transceiver and an antenna. The transceiver produces a poor radio signal that may possess a range from a few feet to a few yards.
The signal is required to activate or make active the tag and is transmitted with the antenna. RFID is like bar coding but the former is stronger compared to later. In order to get more information in this topic, it is suggested to search for RFID Chip Timing Longview Texas on the Internet.