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Is RFID Useful for Reading Small Devices at Short Distances?
Can radio frequency identification be utilized at short distances to read simple tags on devices that are small in size?
There are many applications for which you can use a handheld interrogator to read tags at short distances. Near-Field Communication (NFC) is a standard for employing RFID in cell phones and other small devices. There are many applications for this technology.
One company, for instance, has embedded RFID in movie posters. When a moviegoer uses his or her cell phone to read an RFID-enabled poster, it calls up information regarding a particular movie on the phone's screen, thus enabling that person to purchase tickets. A consumer can also pay for small purchases with an NFC-enabled cell phone, or even pay for bus fare in some cities.
Mark Roberti, Editor, RFID Journal
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