Azure Access Technology BLU-IC4
High-Speed, 4-Door Network Controller

Open for SDK integration with host access-control software,
the BLU-IC4 can manage four doors plus has extra auxiliary inputs and outputs. Extra OSDP reader licenses can be utilized to manage up to eight doors with native hardware interfaces. A high-performance CPU allows for our embedded Linux OS to offer unmatched features. Our controllers also support “Clustering” allowing for controllers to be grouped together to share information and provide redundancy.


  • 1GHz CPU with 512MB Flash and 256MB RAM
  • 1 million-plus card capacity
  • High-speed card downloads (10K per second)
  • Asynchronous communications (no polling required)
  • Clustering of up to 32 controllers
  • Customizable operation with onboard applications and Scripting
  • Fully encrypted communications to the Host and downstream boards
  • 2 Dedicated Ethernet Ports
  • 2 Downstream, RS-485 Serial Ports
  • 4 Reader Ports supporting TTL (Wiegand etc) readers
  • 4 OSDP readers can be connected to the serial ports by default
  • Up to 8 OSDP readers per serial port with extra reader licenses
  • 16 Supervised or Unsupervised Inputs
  • 8 Relay Outputs
  • USB 2.0
  • Status LEDs
  • Backup power to preserve events and RTC during power failure


Your blue go-to in open access control hardware.