Tags; What Are Rfid And Nfc - Nokia 5140 User Manual

Field force nfc shell

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■ Tags

Nokia Field Force NFC shell comes with two tags, which are used to identify objects and tasks.

Note: The tags may set off the Electronic Article Surveillance (EAS) alarms used, for example, for

theft-protection in shops.

RFID

RFID technologies use radio waves to automatically identify individual objects. By emitting a short-range radio

signal, the RFID reader device supplies power to an otherwise inactive RFID tag, allowing the device to read the

tag or write data to the tag's memory.

The RFID reader is a short-range device (reading range 0-5 cm) and it converts the radio waves returned from

the RFID tag into a format that can then be passed on to an application in the phone.

To transmit data from the RFID tag to the RFID reader, Nokia Field Force NFC shell uses the radio frequency

13.56 MHz, which is the most widely used globally available frequency for RFID.

NFC

NFC (Near Field Communication) is a short-range radio frequency technology that evolved from a combination

of contactless RFID and interconnection technologies. The NFC device allows users to read small amounts of

data from tags, as well as to communicate with other devices, by a simple touch.

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