







Meet the HID® Signo™ 40 Reader
As a founding pillar of the Signo family, the HID® Signo™ 40 Reader delivers tried, tested, and trusted performance for modern secure access control. Designed specifically for standard wall-switch mounting, this mobile-ready, multi-technology reader brings a sleek look and powerhouse security to any main entryway or corridor.
Built to effortlessly bridge the gap between legacy systems and tomorrow's technology, the Signo 40 supports an incredibly wide range of contactless credentials—including cards, fobs, and smartphones.
Key Features
Unmatched Versatility: Seamlessly handles a massive range of contactless technologies. It features native Bluetooth® and NFC for HID® Mobile Access, along with Apple’s Enhanced Contactless Polling (ECP) to support credentials stored in the Apple Wallet.
Self-Calibrating Performance: Built with innovative surface detection that automatically optimizes and calibrates the read range based on the mounting material (even metal).
Elite Security Hardware: Cryptographic keys are stored ultra-securely on certified secure element hardware to ensure tamper-proof, lifetime protection.
Connected for the Future: Skip manual, on-site maintenance. Out-of-the-box support for Open Supervised Device Protocol (OSDP) enables secure, bidirectional communication and full remote management.
Supported Credentials
13.56 MHz Smart Cards: Seos®, iCLASS SE®, iCLASS®, MIFARE DESFire® (EV1/EV2/EV3), and MIFARE® Classic.
125 kHz Proximity Cards (Legacy): HID Prox®, Indala® Prox, Dorado® Prox, and EM Prox.
Ready to upgrade your access control? Contact our specialist team today for a quote or download the [Product Datasheet] to view the specifications.
- Model: R-HD-SIGNO-40
- Dimensions: 121.50mm x 80.00mm x 19.50mm


