An RFID system comprises a reader, its antenna and
transponders (tags, RFID cards) that carry the data. The reader transmits a
low-power radio signal through its antenna, which is received by the tag via
its own antenna and used to power an integrated circuit (chip). Using the
energy it gets from the signal when it enters the radio field, the tag will
briefly converse with the reader for verification and exchange data. Once the
data is received by the reader, it is then sent to a controlling computer for
processing and management
3.5 Benefits of RFID Technology
Figure 14: Benefits of RFID
Why
RFID?
RFID systems can offer
a business many benefits ranging from better tracking of work in
process to speeding up throughput in a warehouse.When a business has pain
points, such as asset tracking and visibility issues, RFID technology can
enable an organization to have automatic visualization of objects with no line
of sight or human intervention.The use of RFID technology can benefit a
business through reduced administrative errors, labor costs associated with
scanning bar codes, internal theft, errors in shipping goods and more efficient
inventory levels.RFID systems can be used just about anywhere, from clothing
tags to missiles to pet tags to food - anywhere that a unique identification
system is needed.
3.6 Different
Types of RFID Cards
Transponders can also be embedded in a plastic card, a key fob,
the walls of a plastic container, and special packaging to resist heat, cold or
harsh cleaning chemicals. The form factorused depends on the application, but packaging the transponder
adds significantly to the cost. (5R)
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