A proximity card typically operates at which frequency?

A proximity card typically operates at which

Multiple choice — select the best answer

A13.56 MHz
B125 kHz
C915 MHz
D2.4 GHz

✓ Correct answer: B. 125 kHz Standard proximity cards (such as HID prox) operate at 125 kHz. Higher-frequency smartcards like MIFARE operate at 13.56 MHz, which offers greater data capacity and security.

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Topic: Electronic Access Control

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A proximity card typically operates at which frequency?

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