KR901 - ZKTeco Brand, ID and IC card Reader ( Wiegand & RS485 ) Support multi-frequency 125kHz ID card and 13.56MHz IC card, including DESFire EV1 / EV2 / EV3 and NTAG. Two communication options: Wiegand + RS485. Tamper detection and alarm. Multiple authentication methods: card or card with PIN code. Achieved lP65 protection rating with dustproof and waterproof.