![]() When an RFID tag is placed inside the range area of a reader, it energizes the tag through electromagnetic induction and collects the information from it. The reader transmits radio frequency signals continuously upon powering. The RFID reader has a radio transmitter and receiver inside. The image given below is that of an RFID reader module. Hence they come under a group of technologies called AIDC (automatic identification and data capture).īefore learning how this system works, let us see some important points about RFID reader and Tag What is an RFID Reader? RFID reader automatically identifies the objects (tags) and collect the data from them. RFID system uses radio waves for communication between the reader and tag. While the data in the barcode cannot be changed.
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