RFID technology uses radio waves to identify objects. There are three main types of RFID tags: active tags with batteries, passive tags powered by radio waves, and battery-assisted passive tags. RFID tags are used for passports, driver's licenses, inventory tracking, and more. However, RFID tags can be jammed or collide with each other. Standards organizations issue guidelines, but privacy is a concern if tags are tracked. Overall, RFID technology provides identification and is expected to grow with applications in automated purchases and smart appliances.

1. RFID Technology
What is it? What can it do?
What are the problems with it?

2. What is RFID Technology?
CC BY-NC-ND 2.0 4-6

3. History of RFID Technology
CC BY-NC-ND 2.0 Feggy Art

4. Three Types of Tags
• Active
CC BY-NC-ND
2.0
thisyearsboy

5. Three Types of Tags
• Active
• Higher Frequencies – 455MHz, 2.45GHz, or
5.8GHz
• 128 kilobyte memory

6. Three types of RFID tags
• Passive
CC BY-NC-ND 2.0 midnightcomm

7. Three Types of Tags
• Passive
• Lower Frequencies
• Energy Stored in the tag

8. Three Types of Tags
• Battery Assisted Passive
• Contains small battery
• Can be read up to 45 metres away

9. What can RFID technology do?
CC BY-NC-ND 2.0 francois

10. What can RFID technology do?
CC BY 2.0 boocal

11. What can RFID technology do?
• Passports
• Driving Licence
• Self service in a library

12. What can RFID technology do?
CC BY-NC catinatree

13. Problems
• Jammed Easily
• Tag collision
• Solution
▫ Anti Collision Protocol

14. Standards
• International Standard Organisation(ISO)
▫ Contactless systems
▫ ID card systems
• EPCglobal
▫ Storage of information

15. Walmart & Privacy problems
CC BY-NC 2.0 crawfishpie

16. Walmart & Privacy Problems
CC BY 2.0 cleanwalmart

17. Privacy Problems
• RFID tags essentially barcodes
• Can be easily removed from product

18. Future of RFID Technology
• RFID on paper
• Automation and tracking of products through
the supply chain

19. Future of RFID Technology
• Automated purchases
• Smart appliances

20. • RFID Technology is here to stay
• Has many applications for the future
• Further developments will make it cheaper and
smaller