radio freq identification (RFID)

Question 1

News

Answer 1

amarnath yatra pilgrims to b tracked by RFID tags
provided by shri amarnathji shrine board (SASB)

Question 2

What’s RFID

Answer 2

Passive wireless tech
tracking/matching of an item/indiv
tag - read from feet away & no need to b in direct line of sight of the reader
approved b4 1970s - but used more now - global supply chain mgt, pet microchipping

Question 3

RFID parts

Answer 3

2
1.tags - uses radio waves to communicate ID & info
2.readers - gives off radio waves & gets back signal from tag