NFC is a set of short-range wireless technologies that allow communication and exchange of data between devices by touching or bringing them within a radius of more or less 10 centimeters. NFC is an extension of the RFID technology. It requires 13.56 MHz frequency and has short working range which makes it more suitable for secure communication between devices.
NFC allows a device, usually a mobile phone, to collect data from another device or NFC tag at close range. In many ways, it’s like a contactless payment card that is integrated into a phone. In other ways, it’s similar to Bluetooth, except that instead of programming two devices to work together, they can simply touch to establish a connection. Read the rest of this entry →