Radio tag is a device that is used for tracking and monitoring of objects, animals and individuals. It is also known as an RFID tag. Apart from radio tag, there are many other synonyms that are used for this device. Some of the common synonyms include electronic tag, smart tag, proximity tag, transponder, microchip, and tracking tag. These tags have various applications such as tracking of shipping products, monitoring animal behavior, and keeping tabs on prisoners. With the development of technology, radio tags have become more advanced and are now used in medical applications such as tracking medical equipment and patients in hospitals. The use of radio tags has made tracking and monitoring of objects and individuals a lot easier and more efficient.