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Psytech Digi pvt ltd | The best Digital and online advertising company in India and UK

Psytech Digi Pvt ltd | The Best Digital Marketing Company.

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Radio-Frequency Identification (RFID) is an identification and information capturing tool which uses radio waves to read and capture data stored on a tag which is attached to an object. This tag can be read from anywhere whether it is near or up to several feet away and it also does not need to be within direct line-of-sight of the reader so that it could be tracked. These RFID techniques are used in many companies.

When a person uses a handheld RFID reader to scan clothes, the attached label is having a unique no. which differentiate between a two pair of same clothes which means that each clothe has its own RFID tag and will have its own serial number.

The computer has all the information about each and every single product available in the store. It could also tell how much same products are available in the store.

Radio-frequency identification (RFID) is used to identify and track tags attached to objects with the help of electromagnetic fields to automatically. These tags consist of electronically-stored information. A passive tag collects energy from a nearby RFID reader's interrogating radio waves and active tags have a battery source and can be operated from 100 meters from the RFID reader. In both the cases, there is no need for line of sight of the reader. Therefore, it is different from a barcode sticker, as the tag needs to be within the line of sight of the reader, so it may be embedded in the tracked object. Thus, with the help of RFID tags, you can easily move objects a few meters away.

How does an RFID system work?

An RFID system is always made up of two parts – The first one is a tag (also called a label) and the second one is a reader. These RFID tags are embedded with a transmitter and a receiver. This RFID part on the tags have further two parts and that is a microchip which stores and processes data, and an antenna which is used to receive and transmit a signal. Each of the tags contains a unique serial number for a particular thing.

Now, let's go encoding part, to read the information encoded on a tag, a two-way radio transmitter-receiver also known as an interrogator or reader will send a signal to the tag with the help of the antenna. The tag (also known as a transponder) will respond with the data written in its memory bank. The interrogator (also known as a reader) will then transmit these read signals and send the results to an RFID computer program. After this, the computer will do the requested task by anyone who is using that PC. This completes the whole working process of RFID.

Some amazing and newly invented ideas of using RFID are –

  • amusement park tickets – This is a credit-card style ticket which has reduced the burden for scanning and swiping tickets and waiting for a ride in a big line, thus it has reduced a long wait times and also reducing staff costs. In addition to this, such RFID tickets also provide information to park operators for tracking the visitor’s illegal movement on any confidential or not allowed areas.


  • RFID embedded poker chips – With the help of these RFID chips, the operator can know how much money you spend, where it is spent and uses this information to keep your stick into the game for more time longer. And in case if a person is using rolling chips, then the operator of that casino also knows this too.


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