Chapter 1 Overview
The card reader is a kind of high-performance product, with a 32 bit high-speed processor. It
communicates with access controller via either RS-485 protocol or Wiegand protocol. And a built-in
tamper-proof module helps to protect card reader from malicious damage. As to the physical
appearance, the PC+ABS material makes water proof and dust proof possible in poor environment.
DS-K1109 Series Card Reader User Manual
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