The ZKTeco KR503E is a professional 125kHz EM RFID proximity card reader designed for secure and reliable access control applications. Featuring a 26-bit Wiegand (W26) output, it integrates seamlessly with ZKTeco InBio, C3 Series, and other Wiegand-compatible access control controllers, making it ideal for offices, factories, commercial buildings, educational institutions, hospitals, and residential facilities.

Built with a durable ABS + PC housing and an IP65-rated weatherproof enclosure, the KR503E is suitable for both indoor and outdoor installations. It offers a card reading distance of up to 10 cm, ≤200 ms response time, dual-color LED indicators, a built-in buzzer, and support for external LED and buzzer control, ensuring fast and dependable RFID authentication in demanding environments. The single-gang mounting design makes it ideal for standard electrical back boxes and wall-mounted installations.

Key Features

• Supports 125kHz EM (ID) RFID proximity cards.
• 26-bit Wiegand (W26) output interface.
• Card reading distance of up to 10 cm.
• Fast card reading speed of ≤200 ms.
• Durable ABS + PC housing.
• IP65-rated weatherproof design for indoor and outdoor use.
• Standard single-gang mounting for easy installation.
• Dual-color red and green LED status indicators.
• Built-in buzzer with external LED and buzzer control.
• Compatible with ZKTeco InBio, C3 Series, and other Wiegand 26-bit access control systems.