RFID consists of radio frequency tags and readers. Tags contain data stored on integrated circuits that is transmitted to readers via radio frequencies. There are three main types of tags: passive, semi-passive, and active. Common applications of RFID include payment cards, electronic toll collection, access control, and supply chain/logistics. A survey found the most common industries using RFID are logistics/supply chain, libraries, and pharmaceutical manufacturing. Further development is focused on medical and library uses. While convenient, RFID remains more expensive than barcodes and standards are still being developed.

1. RFID & ITS APPLICATION
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GCIT1015
Wednesday, October 7, 2015

2. CONTENT FLOW OF PRESENTATION

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
Active Tags
•Use a battery
•communicate over
distances of several
meters
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
Passive Tags
•Derive their power
from the field
generated by the
reader
•without having an
active transmitter to
transfer the
information stored

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

9. APPLICATIONS
Credit Cards with RFID
(Pay wave 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
Logistics and Supply
Chain Management
20%
Pharmaceutic manufacturing
industries
15%
Library
Management
21%
Inventory Control
10%
Document Management
8%
Security
8%
Customer Services
5%
Hotel Management
5%
Banking and Finance
5%
Social Services
3%
Other
18%
Types of industries that respondents think
it is possible to apply RFID technology

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