- Built-in audible beeper
- RS-485 and Wiegand (W26/ W34) protocol
- Tamper-proof alarm
- Supports reading EM card (Frequency: 125 KHz) (DS-K1102AE/DS-K1102AEK/DS-1102AEM)
- Supports reading M1 card (Frequency: 13.56 MHz). (DS-K1102AM/DS-K1102AMK/DS-K1102AEMK)
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