HID Signo series of readers represents the latest generation of secure and versatile access control devices, designed to meet modern security requirements across a wide range of applications. The HID Signo 20 is a slim mullion-style reader that fits perfectly on narrow door frames and supports multiple credential technologies, including smart cards, mobile access through Bluetooth and NFC, and legacy 125 kHz prox cards. Its counterpart, the Signo 20K, offers the same slim profile but adds a built-in keypad for enhanced multi-factor authentication with card plus PIN. The HID Signo 40 is a wall-mount reader designed for standard switch plate installations, providing the same multi-technology support and advanced security features in a larger format. The Signo 40K combines this wall-mount design with a keypad for dual authentication needs. Expanding beyond card and PIN, the HID Signo 25B Biometric Reader incorporates fingerprint recognition, adding a higher level of identity assurance while still supporting cards and mobile credentials. For advanced biometric solutions, the HID Amico Face Reader brings facial recognition to access control, featuring a sleek screen interface for fast, touchless authentication. Together, these devices provide a unified family of readers that deliver strong security, flexible credential support, and modern design suitable for offices, industries, and high-security environments.