Near field communication (NFC) allows wireless data exchange between two NFC devices in close proximity to each other. NFC devices are very small and can, for example, be integrated in cards.

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How do I Switch off NFC?

My Nexus S alerts me when it is close to my Oyster season ticket. It says New Tag Collected. Unknown tag type. Can I stop it doing this.
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NFC functionality in Google Nexus S?

How physically close will a tag need to be for the phone to detect a NFC card? (10cm or can it greater) Also can the phone present itself as a NFC tag to other phones? If this is possible is the ...
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Add NFC functionality (like Nexus S) via SDIO standard in microsd to non-NFC phones?

Google Nexus S is the first Android phone to include NFC (Near-field communication) for wireless hardware for applications such as contactless payment and perhaps proximity based target advertising. ...
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How does NFC on Google Nexus S and Android 2.3 work?

I'm curious on the Near field communication, NFC that the Google Nexus S has. From what I understand, this techonlogy can be used to read RFID-tags, or am I wrong about that? What can I read with an ...