2. What is NFC ?
• NFC is a short-range wireless technology.
• NFC is based on Radio Frequency
Identification (RFID) technology.
NFC is as easy as….
…a touch
3. Modes of NFC communication
• The NFC interface can operate in two
different modes:
Active Mode
Passive Mode
4. Modes of NFC
• In Active mode, both devices with NFC
chip generates an electromagnetic field
and exchange data.
Two
NFC
enabled
devices
transfer
-ring
data in
active
mode
5. Modes of NFC
• In Passive mode, there is only one active
device and the other uses that field to
exchange information.
A NFC-
enabled
mobile
phone
is
paired
with a
RFID-
tagged
"smart
poster"
6. Application
Touch and Confirm
Applications such as mobile payment
where the user has to confirm the interaction by
entering a password or just accepting the
transaction.
The
screenshot
from a
mobile
device
showing the
confirmatio
n message.
7. Touch and Connect
Linking two NFC-enabled devices to
enable transfer of data such as downloading
music, exchanging images.
Data transfer
via NFC
8. Advantages
• NFC over Bluetooth.
• No special software.
• No manual configuration and settings.
9. Disadvantages
• The system has the limitation that it can
be operated only with devices under a
short range.
• The data transfer rate is very less.
10. Some Devices Using NFC
• Samsung Galaxy S II
• Samsung Galaxy Note
• Galaxy Nexus
• Nokia 6212 Classic
• Nokia 6131 NFC
