Can be Active or Passive, read by Electromagnetic fields
Battery acts as power source, helps increase distance of read/write; used for more costly items due to their high price
No power source, only power comes from the reader; much cheaper
Moves electrically charged objects; affects behavior of charged objects
Debit & creditcards, pets & farm animals, electronic toll collection
On top of credit card register, scans credit or debit card
Self checkout reads the RFID tags in books
Anti Shoplifting – RFID readers at the exits
Security – mandates from last slide. Skimming – using your own RFID reader to read for example a credit card. Privacy – tags can be put on humans, invasion of privacy. Cost – costs too much to replace the bar code
