Bar code reader
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A bar code reader is used to identify and read a bar code symbol.[1]
Types
Bar code readers may be fixed, portable batch, or portable RF (radio frequency).
- Fixed readers are attached to a host computer and terminal, and transmit one item at a time as the data is scanned.
- Portable batch readers are battery powered and store data into memory for batch transfer into a host computer at a later time.
- Portable RF readers can transmit data in real-time, on-line.[2]
