RFID (radio frequency identification) is a form of wireless communication that incorporates the use of electromagnetic or electrostatic coupling in the radio frequency portion of the electromagnetic spectrum to uniquely identify an object, animal or person. Use cases for RFID technology include healthcare, manufacturing, inventory management, shipping, retail sales and home use. RFID and barcode technology are used in similar ways to track inventory, but three important differences make each one a better choice in certain situations: RFID tags do not require a direct line of sight to be read. Data stored in an RFID tag can be updated in real-time. In contrast, bar code data is read-only and cannot be changed. RFID tags require a power source. In contrast, bar codes only require the technology reading the bar code to have a power source. How RFID works Every RFID system consists of three components: a scanning antenna , a transceiver and a...
RFID (radio frequency identification)