What is the full form of RFID?

The full form of RFID is Radio Frequency Identification. It is an automated technique of marker that uses wireless radio frequency signals that are not in physical touch and can be read by a reader. Such a reader transmits data to mobile objects that can be tracked and detected. Information is digitally encoded in RFID tags or smart labels, which radio signals can then read. RFID can be compared to barcodes since information analysed from tags is saved in a database, or you can assert that the system that collects label data stores data in the database.

• The critical distinction between QR codes, barcodes, and RFID is that whereas conventional barcodes cannot be read outside a line of sight, data from RFID tags can.
• RFID doesn’t need the tagged object to come into touch with the scanner directly.
• When a tag is exposed to radio signals, it seems to have a microchip mounted inside to transfer data.
• RFID tags are generally employed in companies to track the movement of products.

RFID Tags with an RFID Reader make up an RFID device.

• RFID reader
  • It is a system of one or more antennas that produce radio signals and use radio signals from the RFID Tag to communicate with it. As the RFID tag is being interrogated, the RFID reader is frequently referred to as the interrogator.
• RFID Labels
  • Data storage and processing are done on an integrated circuit.
  • The antenna is utilised for both signal transmission and reception.
  • The active tag has its power source and a reading range of around 100 feet.
  • A reader gives electricity to passive tags inductively because they lack their own power source. Passive tags are the most popular and have a reading range of roughly 30 feet.

There are primarily two types of RFID:

• Near Field RFID has a reading range of around 5 mm to 10 cm and a small, omnidirectional reader antenna based on frequency and antenna.
• Resonant, directional antennas and tags with a maximum range of 22.1 m are used in far-field RFID systems.

A handful of the numerous industries where RFID is useful are listed below.

• Tracking Document
• Tracking assets
• Supply chain control
• Management of inventories
• Manufacturing
• ID badging
• Tracking Personnel
• Controlling access to limited zones
• Healthcare, and so on.