Protect critical entry points with a reader designed for mixed credential environments and controlled migration paths. The HID Global SIGNO40 combines SEOS profile support with OSDP and Wiegand connectivity, giving security teams the flexibility to align with current controller standards while preserving room for future upgrades. Its wall-mount format and pigtail connection simplify installation at standard access points, while mobile-ready capability supports organizations moving toward phone-based credentials without forcing a full system replacement. That matters in enterprise environments where reader refreshes must fit existing infrastructure, not disrupt it. For teams standardizing on HID credentials, the SIGNO40 offers a practical balance of compatibility and security posture. It is well suited to sites that need dependable reader hardware for office entrances, secured suites, and controlled interior doors. Choose it when you want a reader that supports today’s access model and a cleaner path to tomorrow’s credential strategy.