The card reader is designed with slim and exquisite appearanceThe card reader is equipped with 32-bit high-speed processorSupport RS485 and Wiegand communication, Wiegand interface supports w26 and w34Support online upgrade. Card reader can restore to pre-upgrade status if the upgrading is failedSupport tamper-proof alarm functionThe card reader has watchdog design function to check the abnormal status of device and operate the repair process to ensure the long-time running of deviceSupport dust-proof and water-proof designSupport Mifare Card recognition, can read the number and content of Mifare Card;(DS-K1104MMK)Support CPU Card recognition, can read the serial number and content of CPU Card.It adopts DES, 3DES encryption algorithm and supports P-SAM Card encryption mechanism to ensure the security of devices. (DS-K1104CCK)