Many Android phones have an NFC reader/writer built-in, which allows the user to tap the back of the phone to another NFC-enabled device, be that a payment terminal, door lock, Bluetooth device ...

NFC tags are small, unpowered devices that store and transmit data to compatible readers through electromagnetic fields.

NFC hacks are great because they are instantly recognizable and readers are inexpensive, but deadbolt hacking is delightful in our books. Thank you, [c00p3r] for the tip.

The most impressive part? This palm-sized device (18×40 mm) uses a self-designed 13.56 MHz antenna to draw energy from NFC readers. The temperature is then displayed on the reader, with an ...

It features the latest technology RFID contactless cards and ISO18092 NFC mobile phone at its entrance to check visitor’s badge and authorised mobile phone. CN670 is 13.56MHz smart card reader writer, ...