| 摘要 |
Provided is a radio frequency identifier (RFID) tag apparatus and an authentication method thereof. The RFID tag apparatus includes a device, a device recognizing unit, an RF processor, and a controller. The device receives a first signal and outputs a second signal in response to the first signal. The device recognizing unit outputs the first signal to the device in response to control signal and receives the second signal to output n-bit data, where n is an integer greater than 1. The RF processor receives an RF signal and extracts information from the RF signal. The controller outputs the control signal to the device recognizing unit in response to the information and processes the n-bit data in response to the information.
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