HID® Signo 40 Reader HID-40NKS
€329.99
Manufacturer: HID
Model: Signo 40
Manufacturer Part Number: 40NKS-00-000000
- Estimated Delivery: 3–5 Working Days
Product details
Product Overview
The HID Signo 40 is a multi-technology access control reader that supports contactless cards, key fobs and mobile credentials. Designed for wall switch mounting, it supports both established proximity card technologies and newer smart credentials.
This model features a pigtail wiring connection and supports OSDP and Wiegand communication. It is suitable for organisations installing or upgrading card-based access control systems, subject to compatibility with their existing equipment.

Genuine HID Product
Specifications
- Multi-technology credential support: Reads supported 125 kHz proximity cards and 13.56 MHz contactless smart cards.
- Mobile access ready: Supports HID Mobile Access using Bluetooth and NFC, including support for compatible credentials in Apple Wallet.
- OSDP and Wiegand support: Provides communication options for access control system installations and upgrades.
- Pigtail connection: Supplied with the pigtail wiring arrangement for this specific model.
- Wall switch mounting: Designed for installation over compatible single-gang wall switch boxes.
- Reader management: Supports configuration and management through HID Reader Manager.
- Automatic read-range adjustment: Surface detection allows the reader to recalibrate its read-range performance.
- IP65 rated: Suitable for indoor and outdoor installations within the manufacturer’s specified operating conditions.
HID Signo 40 Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | HID |
| Product range | Signo |
| Model | Signo 40 |
| Manufacturer part number | 40NKS-00-000000 |
| Connection type | Pigtail |
| Reader type | Multi-technology contactless access control reader |
| Credential frequencies | 125 kHz, 13.56 MHz and 2.4 GHz Bluetooth |
| Mobile credential support | HID Mobile Access |
| Communication protocols | OSDP and Wiegand |
| Mounting | Wall switch mounting |
| Dimensions | 80 × 121.5 × 19.5 mm |
| Operating voltage | 12V DC |
| Environmental rating | IP65 |
| Operating temperature | -35°C to +66°C |
| Reader management | HID Reader Manager / OSDP configuration |
| Keypad | No |
| Manufacturer warranty | Limited lifetime, subject to HID warranty terms |
Frequently Asked Questions
Does the HID Signo 40 work with existing proximity cards?
The HID Signo 40 supports several 125 kHz proximity technologies, including HID Prox, Indala Prox, AWID Proximity and EM Prox.
However, compatibility with your specific cards and access control system should be verified before ordering.
Can the HID Signo 40 read MIFARE cards?
Yes. The HID Signo 40 supports MIFARE Classic and MIFARE DESFire EV1, EV2 and EV3 technologies.
The card technology, application and system configuration must be compatible.
Does the HID Signo 40 support mobile phone access?
Yes. The reader supports HID Mobile Access using Bluetooth and NFC. It also supports compatible credentials in Apple Wallet.
A compatible mobile credential system and the relevant configuration are required.
What is the difference between pigtail and terminal block connections?
Pigtail and terminal block are different physical wiring arrangements available within the HID Signo reader range.
This product is the pigtail connection version. Check your installation requirements before selecting a connection type.
Does the HID Signo 40 support OSDP?
Yes. The reader supports Open Supervised Device Protocol (OSDP), including secure communication capabilities, as well as Wiegand.
Compatibility with the connected access control panel should be confirmed.
Is the HID Signo 40 suitable for outdoor use?
Yes. The reader has an IP65 environmental rating and an operating temperature range of -35°C to +66°C.
Installation must follow HID’s guidance for the intended environment.
Does this HID Signo 40 reader have a keypad?
No. The standard HID Signo 40 is a reader without an integrated keypad.
The HID Signo 40K is a separate model with a keypad.
Can I replace an existing HID reader with the Signo 40?
The Signo 40 may be suitable for upgrading an existing installation, but it is not a guaranteed direct replacement for every HID reader.
Confirm credential compatibility, controller communication, wiring and mounting requirements before purchase.
Additional information
| Manufacturer | HID |
|---|
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