This system relies on small transponders containing an integrated circuit and an antenna to store and transmit data. When energized or interrogated by a nearby reader, the tag broadcasts its payload back. It allows automated inventory tracking, access control, and logistics management without requiring direct line of sight like a barcode.
We need to install the new readers at the warehouse dock doors so the radio-frequency identification system can log pallets as they roll off the trucks.
Passive tags draw their power entirely from the reader's signal, while active tags carry their own battery for longer range.
Also heard as
- RFID
Related terms
RFID
Radio-frequency identification, a system that uses electromagnetic fields to track tags.
Near field
The electromagnetic region immediately surrounding an antenna where fields are not yet fully formed into a radiating wave.
Card clash
An interference error caused when a reader detects multiple radio-frequency identification cards at once.