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Rectangular black RFID reader with keypad, wall-switch size

HID

HID Signo 40 40KTKS-00-000000 RFID Reader with Keypad

SKU CH-Q1AH-J6S91

Wall-mount RFID reader with keypad supports cards, fobs and mobile credentials via Bluetooth and NFC, includes OSDP and secure element storage, and auto-calibrates read range

  • Product dimensions4.3942 L × 12.2936 W × 18.2118 H centimeters
  • Product weight0.34 kg
  • Supports wide credential range including mobile access via Bluetooth and NFC
  • Ultra-secure key storage on certified hardware with auto-calibrating read range
  • OSDP-ready for secure bidirectional communication and remote management
  • Designed for wall-switch mounting in door access control applications
  • Compact 12 oz unit measuring 7.17 x 4.84 x 1.73 inches

Signo 40 Wall-Switch Reader

The HID Signo 40 is a multi-technology smart card reader designed for wall-switch mounting in access control systems. It reads a wide range of credential types including physical cards, fobs and mobile devices. The unit supports HID Mobile Access through native Bluetooth and NFC, plus Apple Enhanced Contactless Polling for Wallet credentials. A built-in keypad adds PIN entry capability for two-factor authentication.

Installers Needing OSDP and Remote Management

This reader suits projects that require Open Supervised Device Protocol for secure, bidirectional communication out of the box. It is also built for remote configuration and management without physical intervention. Buyers who need a reader without a keypad or who require a mullion-style form factor should look at other models in the range.

40KTKS-00-000000 Part Number

The specific part number 40KTKS-00-000000 identifies this exact configuration: a Signo 40 base model with keypad and terminal-strip wiring option. Verifying this number against project specifications ensures the correct mounting style, wiring method and credential support are selected.

How it compares

Measured against everything we stock in RFID & Smart Card Readers, at today’s prices. Recalculated every night.

Price $290.99
Pricier than about 92% of the 294 comparable items (median $21.99).

Specifications

Product
Brand nameHID
Model nameSigno 40
Part number40KTKS-00-000000
Size & build
Product dimensions4.3942 L × 12.2936 W × 18.2118 H centimeters
Product weight0.34 kg

Questions about this item

What does the OSDP interface on the Signo 40 cap in practice?

The reader uses Open Supervised Device Protocol for secure bidirectional communication and supports remote management without physical access.

What physical mounting does the Signo 40 require?

The reader is designed for wall switch mounting with dimensions of 4.3942 L x 12.2936 W x 18.2118 H centimeters and a weight of 0.34 kilograms.

How is the Signo 40 wired during installation, and what step is often missed?

The terminal strip wiring option is used for connection, and the surface detection feature automatically recalibrates to optimize read range performance.

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