![]() ![]() To read the information encoded on a tag, it is placed in close proximity to the reader (need not be within the reader’s direct line-of-sight). ![]() Instead, it has a microchip that stores and processes information, and an antenna to receive and transmit a signal. On the other hand, the tag is usually a passive device, which means it does not have a battery. Working Principle of RFID Reader TechnologyĪ reader consists of a radio frequency module and an antenna that generates a high frequency electromagnetic field. A tag that is attached to an object that has to be identified, and a transceiver that is known as the interrogator/interrogator. The RFID or Radio Frequency Identification System consists of two main components, a transponder/s. ![]() You may have seen other similar applications of RFID such as contactless payments and automated check-out systems in super markets, access control in banks and offices, tracking of goods in warehouses etc. ![]() RFID is useful for identifying people, making transactions, etc. RFID is one of the great applications of radio frequency identification systems. ![]()
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