What is RFID and NFC
Mar 25, 2021
What is RFID and NFC RFID (Radio-frequency identification )uses electromagnetic fields to automatically identify and track sticker or tags attached to objects .Normally RFID system consists of rfid transponder ,radio receiver and transmitter .When triggered by an electromagnetic interrogation pulse from a nearby rfid reader device ,the rfid sticker or rfid card ,rfid wristband transmitsdigit...