I’m looking into starting some projects with Android and NFC. What kind of bandwidth does NFC provide? This is assuming I had a suitable NFC reader/writer attached to an Arduino or similar, and that was communicating with an Android device held in contact with it. Lots of people suggest to initiate the communication with NFC and then do the actual data transfer via Bluetooth, but I’m wondering the bandwidth available for strictly NFC communication, just out of curiosity.
I’m looking into starting some projects with Android and NFC. What kind of bandwidth
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The supported data-rates of the air-interface are one thing. The data-rate that you see after removing protocol overhead, waiting for eeprom writes and all the other stuff that takes time is a whole different story.
Long story short, the practical data-rate when reading from a tag or doing peer-to-peer transfers peaks around 2.5 kilobyte/second.
And depending on specific tags or the peer technology it can be a lot slower than that.