The ZKTeco KR502E-RS is a professional 125kHz EM RFID card reader with an integrated numeric keypad and RS485 communication interface, designed for secure access control applications. It enables multiple readers to be connected to a single RS485 communication port, making it an ideal solution for scalable access control systems in offices, factories, commercial buildings, educational institutions, and residential facilities.

Built with a durable ABS + PC housing and an IP64-rated weather-resistant design, the KR502E-RS is suitable for both indoor and sheltered outdoor installations. It offers a card reading range of up to 10 cm, ≤200 ms recognition speed, dual-color LED indicators, and a built-in buzzer for user feedback. Compatible with ZKTeco InBio160, InBio260, InBio460, C3-200, and C3-400 controllers, it provides reliable and secure RFID authentication for professional access control systems.

Key Features

• Supports 125kHz EM RFID proximity cards.
• RS485 communication for long-distance and multi-reader installations.
• Integrated numeric keypad for PIN authentication.
• Card reading distance of up to 10 cm.
• Fast card recognition speed of ≤200 ms.
• Durable ABS + PC housing with IP64 weather protection.
• Dual-color red and green LED indicators.
• Built-in buzzer for audible operation feedback.
• Compatible with ZKTeco InBio160, InBio260, InBio460, C3-200, and C3-400 controllers.
• Suitable for offices, factories, commercial buildings, schools, and residential access control applications.