
HID Signo 40 White Contactless Smartcard Reader
The HID Signo 40 White Contactless Smart Card Reader is part of the HID Signo platform, providing a versatile and connected solution for secure electronic access control. Designed for standard wall switch mounting, the Signo 40 supports a broad range of credential technologies and form factors, including contactless smart cards, key fobs, and mobile devices. Its clean white housing offers a contemporary appearance that integrates seamlessly into commercial and enterprise environments.
Built to support evolving access control needs, the HID Signo 40 features native Bluetooth® Low Energy and Near Field Communication (NFC) capabilities for HID Mobile Access, enabling users to securely access facilities using smartphones and other mobile devices. The reader also supports Apple Enhanced Contactless Polling (ECP) for credentials stored in Apple Wallet. Certified secure element hardware protects cryptographic keys, while surface detection technology automatically recalibrates and optimizes read range performance for consistent and reliable credential authentication.
The HID Signo 40 White is designed for easy installation, remote management, and long-term scalability. With built-in support for Open Supervised Device Protocol (OSDP), the reader provides secure bidirectional communication between the reader and access control controller. Its advanced security features, mobile credential support, and modern white finish make it an ideal solution for offices, healthcare facilities, educational institutions, government buildings, and other organizations implementing secure access control.





