Radio-Frequency Identification Tags (RFID) 

#GS3 #Technology 

News :  

  • Indian Railways is on a mission to RFID Tag all wagons by December 2022. 
  • The Indian Railways will complete this process of fitting radio-frequency identification tags (RFID) in all the wagons by December 2022. These tags will be used for tracking all wagons. 
  • So far 23000 wagons have been covered under RFID project. The Project is still in progress and continuing, although this work has been slowed for some time due to pandemic Covid 19.   
  • Government has fixed the deadline for fitting of RFID in all the wagons of Indian Railway till December 2022. 

About RFID 

  • Radio Frequency Identification (RFID) uses radio waves to communicate between two objects: a reader and a tag.  
  • RFID communication is the same as two way radio communication in the sense that information is transmitted or received via a radio wave at a specific frequency. 
  • Passive tags collect energy from a nearby RFID reader's interrogating radio waves. Active tags have a local power source such as a battery and may operate at hundreds of meters from the RFID reader.  

Emerging RFID applications include: 

  • Self-checkins at Libraries / rental services as well as retail premises. 
  • Livestock Management and pet identification. 
  • Toll/road – collection/charging and control measures. Many more RFID-based payment collection systems.(FasTag is based on RFID Technology) 
  • Building Security - secure access controls, documentation and passports. 
  • Airports - for baggage tracking and tracing/locating. 
  • SMART home controls - systems to manage home/business energy consumption/production. 
  • Seismic Sensing - such as locating gas lines and temperature sensing (geophysical). 
  • Environmental - Energy, Ozone & Pollution measuring equipment. 
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