This document discusses RFID (radio frequency identification) technology, including its components, types of tags, and applications. The key components of an RFID system are RFID tags/inlays containing chips and antennas, readers/antennas, and application software. There are three main types of tags: passive tags which have no power source, semi-passive tags with batteries, and active tags with longer read ranges. Common applications mentioned include credit cards, electronic toll collection, supply chain/logistics tracking, and access control. The document also references an online survey about opinions on RFID and its further potential uses.

1. RFID & its
applications
GCIT 1015
Members:
 Chan Sze Yan
 Tam Po Yan

2. Presentation Flow
Introduction Application Video
Survey
Result
Conclusion

3. RFID
 RFID = Radio Frequency Identification
 Electronic labeling and wireless identification of objects
using radio frequency
 Tag carries with its information
 a serial number
 Model number
 Color or any other imaginable data
 When these tags pass through a field generated by a
compatible reader, they transmit this information back to
the reader, thereby identifying the object

4. RFID components
 A basic RFID system consists of these components:
 A programmable RFID tag/inlay for storing item data;
 Consisting of an RFID chip for data storage
 an antenna to facilitate communication with the RFID chip
 A reader/antenna system to interrogate the RFID inlay
 Application software and a host computer system

5. RFID Tag
 The RFID tag consists of an integrated circuit (IC) embedded
in a thin film medium.
 Information stored in the memory of the RFID chip is
transmitted by the antenna circuit embedded in the RFID
inlay via radio frequencies, to an RFID reader
 3 types
 Passive
 Semi-passive
 Active

6. Types of RFID Tags
Passive Tags
Derive their power from the field generated by the reader
without having an active transmitter to transfer the
information stored
Semi-passive Tags
Contain built-in batteries to power the chip’s circuitry, resist
interference and circumvent a lack of power from the reader
signal due to long distance.
They are different from active tags in that they only transmit
data at the time a response is received
Active Tags
Use a battery communicate over distances of several meters

7. Applications
Frequency Appx. Read
Range
Data Speed Cost of
Tags
Application
Low Frequency
(125kHz)
<5cm
(passive)
Low High • Animal Identification
• Access Control
High Frequency
(13.56 Mhz)
10 cm – 1m
(passive)
Low to Moderate Medium
to Low
• Smart Cards
• Payment (paywave)
Ultra High
Frequency (433,
868-928 Mhz)
3m -7m
(passive)
Moderate to
High
Low • Logistics and Supply Chain
• Baggage Tracking
Microwave (2.45 &
5.8 Ghz)
10m -15m
(passive)
20m – 40m
(active)
High High • Electronic toll collection
(Autotoll)
• Container Tracking

8. Current Applications
Header 1 Header 2 Header 3
C1R1 C2R1 C3R1
C2R1

9. Applications
 Credit Cards with RFID
 (Paywave function)
Octopus (Smart Card)

10. Applications
 Autotoll (Electronic toll collection)
Access Control

11. Online Survey
 Target: SME
 Information: Opinion on RFID and its applications
 Site:
 http://qtrial.qualtrics.com/SE/?SID=SV_9N5UPRZuyuWtsk4

12. Survey Result

13. Further Development
 In medical uses and library management

14. Video

15. Conclusion
 Positive
 RFID is a contactless reading technology and can read through other materials
 Hold more data than barcode does
 RFID tags data can be changed or added
 More effective, bring lots of convenience to us
 Negative
 Cost is relatively remain high (compare to barcode)
 RFID signals may have problems with some materials
 RFID standards are still being developed