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RFID SYSTEM: ITS TYPES, ADVANTAGES AND DISADVANTAGES

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RFID tags are important for tracking object and human. It is used in much industry. It has many advantages as well as disadvantages.
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  • Added: January, 02nd 2014
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  • Tags: rfid india, rfid mumbai, rfid solutions india
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RFID SYSTEM: ITS TYPES, ADVANTAGES AND
DISADVANTAGES
Introductions: RFID system
Radio frequency identification or RFID systems is use for
identification of an object or person and wirelessly transmit the
data about the same. RFID systems comprises of antenna, chip,
reader and battery in few types of RFID tags. RFID is mainly
used for transmitting information. RFID tags have encoded
information, which it transfers through antenna when it comes
in a proper frequency of the reader. On the other hand RFID tag
reader decodes the information or use it just as a reference and
gets the detail information from the database.
Three types of RFID
There are mainly three types of RFID tags. Passive tag, Active
tag and semi-passive tag. The active tag has a small chip and
antenna. When this active tag gets a proper frequency the
encoded information gets transferred to the reader. These
types of tags do not require any sort of battery or electrical
support. Furthermore, it use maximum in Indian industry as it is
not costly to manufacture thus available in affordable rates.
However, the disadvantage of such type of tags is it works in
only short distance. It gets frequency only in limited area.

Another type of tag is active tag. It has small chip like passive
tag and also possess battery which helps in broadcasting
information. It dent need scanner but it continuously updates
about the tagged object. Unlike passive tags it works in long
distance also. However, there is a disadvantage of active tag
that that it is quite costly and people use it less or for high
profile use only.
The third and last type of RFID tag is semi-passive tag. It gives
you advantageous of both the above said tags. This tag has a
battery but this battery supply power only when there is proper
frequency available. In remaining time this battery gets
recharged. This is also cheaper option for using widely.
RFID system in Indian industries
RFID technology in India has become very popularly in last few
decades. In not only used in retail or manufacturer industry but
in
pharmaceutical,
science
projects,
R&D
research,

transportation, defense and many other industries have
become popular. Most important the growing consumption and
retail industry in India have popularize the use of RFID tags.
There are several RFID manufacturers in India which supply
various types of RFID Tags to this industry.
There few advantages of RFID tag:
1) Work efficiency: RFID tags do not need to be uncovered
for transmitting the codes. It can work under fabric, plastic,
woods and even human bodies. It is also able to track
moving objects and lessen the human faults.
2) ROI: It is costly to implement then barcode but its results
shows that it is worth spending money.
3) It is difficult to damage it. It is embedded in plastic which
helps it to survive in harsh environments like moisture,
high temperature and it survive when exposed to chemical.
Just like advantage there are few disadvantages of RDIF
tags:
1) It is quite costly as compared to barcode system.
2) When many tags and reader comes under same
frequency the collision is common problem which fails
the RFID tag system.
3) High frequency directional antenna is used for scanning
sensitive tags by fraud people.

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