January 21, 2022

RFID technology: Tracing and tracking goods

Labeling is no longer just information transport. cab solutions enable components and assemblies,
products and packages are tracked to their origins, in particular in industrial processes and logistics.
Label data can be assigned explicitly. RFID technology has proven worthy when tracking and tracing
identified goods. On this occasion, radio signals transport information along an electromagnetic
field. An RFID system demands RFID labels, a steady or mobile reader to verify data and write data on
such labels, as well as proper system software.

Requirements of label printing
RFID labeling differs from standard label printing. In addition to a print job, label printers are sent
information to be stored on the RFID microchip of a label. RFID labels are self-adhesive labels providing
a RFID tag (RFID chip plus a RFID antenna). Requests by a reader to an RFID tag in the magnetic field are
accepted by the RFID tag’s antenna, forwarded to the chip, and finally answered, for example, a serial
number. Response received from the reader can be recorded and processed by software. It is similar
to scanning a 2D code or a barcode but provides much more benefits.

Suitable label printers
cab optionally adds a UHF RFID read/write module and an RFID antenna to thermal printers of the
proven SQUIX series. As a result, UHF RFID tags can be read on the fly and displayed on the printer’s
GUI, be verified and written with data. Depending on the application, data can be written to different
memory sectors on an RFID tag. Written data are compared with the initial data by the printer. Printing
is triggered only after the checkup. Incorrect labels are identified as invalid. RFID antennas are provided
for common RFID tags, highly sensitive signal requests, and metal surfaces. A specifically developed
calibration method assists with optimum read/write positions and performances. Characteristic lines
defined by calibration can be printed, as can label profiles. The mechanics of all SQUIX printers have
been designed for continuous operation in rough work settings. Provided is the currently most
comprehensive range of peripherals on the market.

Benefits of UHF RFID labeling
UHF RFID labeling fits wherever automatic registration, stock, detection, control, or transport are
required. Operators benefit in production, logistics, work safety, access control, or ticketing. See the
following samples:
• Information is read without visual contact.
• Individual objects or stacks/bulks are detected rapidly.
• Transparent materials management

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