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NCF stands for Near Field Communication. It is a contactless protocol to transfer files. NFC Tags are microchips with an antenna, which can contain information and be read easily and quickly by an NFC-enabled mobile phone or tablet.
No, NFC Tags do not require power. They are in fact triggered by the magnetic field of the NFC sensor. NFC Tags are, from this point of view, potentially eternal.
Forever. Or at least until they are destroyed or damaged. The information can be rewritten, but also protected or encrypted.
Yes, the tags can be blocked. The NFC Tags that are blocked cannot be overwritten. New NTAG21x NFC Tags can be also password-protected, so you can rewrite them only if you know the password.
The list of NFC-equipped devices is growing every day. To keep track of what devices are taking advantage of NFC technology, NFC World maintains a mostly up-to-date list of NFC-enabled phones. Many Android devices have NFC, and every iPhone since the iPhone 6 also packs the feature
Unlike Android Devices, The later iPhones do not need to be “turned on” to work. Simply put: There is no need to turn on or off. They are able to interact with payment systems, applications and tags right out of the box.
As a backup solution for older devices (pre 2017) Infotap will display a QR code which will point the device to the same predetermined location once the QR code has been scanned
The consumption of the NFC sensor is almost irrelevant. In addition, it consumes battery only when it is in use, similar to GPS. This feature allows you to leave the NFC sensor enabled, no problems for the consumption of the battery.
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