RFID vs. Barcodes | Passive vs. Active RFID | RFID for Tracking Assets
Radio Frequency Identification (RFID) is a data collection technology similar to barcodes,
but instead of scanning a barcode it uses radio frequency communication to collect data
from RFID tags. It is commonly referred to as automatic identification or auto-id, because
it uses radio waves to automatically and uniquely identify objects such as assets, inventory,
people or animals.
An electronic tag (transponder) is embedded with an integrated circuit (IC)
that can store unique data about the object being tagged. A reader (interrogator) transmits
radio waves at a specific radio frequency to communicate with and retrieve data from tags
within its proximity.
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