The A1121 Retrofit from Doorbird is an advanced, IP-based access control system that is ideal for retrofitting into existing panels. It combines multiple technologies to ensure secure and flexible access control. Equipped with two relays, it allows for easy integration into existing systems. The configurable Wiegand output interface offers additional customization options. The system is powered either by a 15 VDC power supply or Power over Ethernet (PoE), simplifying installation. The integrated keypad module features 12 backlit keys for user-friendly operation. Additionally, the RFID reader is compatible with both 125 KHz and 13.56 MHz, supporting a wide range of access cards. With an IP65 protection rating, the device is waterproof and suitable for use in various environments.

• IP-based multi-technology system for flexible access control
• Waterproof to IP65 standard for use in different environments
• Compatible with RFID readers for various frequencies (125 KHz and 13.56 MHz)
• Easy retrofitting into existing panels
• Configurable Wiegand output interface for extended integration.