Suprema SIO2 Compact Secure Single Door I-O Expansion Module is a small access control controller designed to securely manage a single door’s inputs and outputs using encrypted communication. Its ultra-compact design and simple setup make it ideal for adding secure door control with minimal hardware and installation time.

• Provides secure door control and I/O expansion via encrypted communication when paired with other Suprema access devices.
• Ultra-compact form factor fits easily into tight spaces or behind door frames.
• Enhanced security against tampering thanks to encrypted signaling.
• Simple installation with low cost and minimal setup requirements.
• Supports standard RS-485 communication and a physical relay for door lock control.

• For more information visit Manufacturer's Website