This document discusses Radio Frequency Identification (RFID) technology and its applications. It provides an overview of RFID components including tags, readers, and antennas. It describes the three main types of RFID tags - passive, semi-passive, and active - and their operating frequencies and read ranges. Several current applications are highlighted, including credit cards, electronic toll collection, and access control. The document also summarizes the results of an online survey on potential RFID applications and discusses further development opportunities in medical and library uses.
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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
Mediu
m 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
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
Logistics and Supply Chain Management Pharmaceutic manufacturing industries
Library Management Inventory Control
Document Management Security
Customer Services Hotel Management
Banking and Finance Social Services
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