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   Radio Frequency Identification System (RFID)

What is RFID?
Radio frequency identification, or RFID, is a generic term for technologies that use radio waves to automatically identify people or objects. There are several methods of identification, but the most common is to store a serial number that identifies a person or object, and perhaps other information, on a microchip that is attached to an antenna (the chip and the antenna together are called an RFID transponder or an RFID tag). The antenna enables the chip to transmit the identification information to a reader. The reader converts the radio waves reflected back from the RFID tag into digital information that can then be passed on to computers that can make use of it.

How does an RFID system work?
An RFID system consists of a tag, which is made up of a microchip with an antenna, and an interrogator or reader with an antenna. The reader sends out electromagnetic waves. The tag antenna is tuned to receive these waves. A passive RFID tag draws power from field created by the reader and uses it to power the microchip’s circuits. The chip then modulates the waves that the tag sends back to the reader and the reader converts the new waves into digital data.

RFID tags and readers have to be tuned to the same frequency to communicate. RFID systems use many different frequencies, but generally the most common are low- (around 125 KHz), high- (13.56 MHz) and ultra-high frequency, or UHF (850-900 MHz). Microwave (2.45 GHz) is also used in some applications. Radio waves behave differently at different frequency, so you have to choose the right frequency for the right application.

TPS360 RFID integrated solutions have the following features:

  Hands free operation.
  Multi-Tag functionality
  High security
  Unlimited virtual memory
  Easy system integration
  User-friendly Windows based host software.
  Configurable real time inventory update.
  Very low power, highly reliable active tag technology.


  Airport Security & Passport
  Inventory Control
  Child & Student Tracking
  RFID for Defense Forces
  Document Tracking
  Electronic Toll Collection
  Hotel Security & Management
  Hospital Management
  Vehicle Tracking
  Systems Integration

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