The Bioteknix C3-200 Plus Door Access Control is a reliable and advanced two-door controller designed for modern security and access management. It supports up to 100,000 users and 500,000 event records, offering multiple authentication modes including RFID card, password, and QR code. With AES-256 data encryption and HTTPS/TLS 1.2 communication, it ensures maximum network and data security. The controller provides 4 RS-485 and 4 Wiegand interfaces, compatible with various readers for flexible installation. Ideal for offices, industries, and residential complexes, the Bioteknix C3-200 Plus offers TCP/IP connectivity for centralized monitoring and remote access control. Its compact design, high reliability, and easy integration make it perfect for medium-scale security systems. Keywords: Bioteknix C3-200 Plus, Door Access Control, Two Door Controller, Access Management System, RFID Access Control, QR Code Entry, TCP/IP Access Controller, Secure Door Control.