Wacom STU 540 STU 541 m

STU-540 / STU-541

The STU-540 / STU-541 are the premier models of Wacom’s signature pad (STU) series, featuring a 5" high-quality, high-resolution color LCD screen with a special hardened durable cover glass for a natural, paper-like feel. The encryption for both models offer the highest level of trust for security-conscious industries and organizations. They also support virtualized desktop environments.

Wacom STU 540 STU 541 features

STU-540 and STU-541 features and benefits

  1. Patented cordless, battery-free pen with 1024 levels of pressure sensitivity to accurately capture the unique signature including biometric data.
  2. Hardened cover glass with anti-glare treatment provides a signing surface with a natural-paper-like feel.
  3. The most secure TLS (Transfer Layer Security) encryption -on STU-541- and state-of-the-art AES 256/ RSA2048 encryption -on STU-540- to perform secure transactions.
  4. Virtual COM Port (VCP) mode is supported for compatibility with Citrix XenDesktop and XenApp v6.5 and later. (STU-540 only)
  5. Key pad and PIN pad are customizable to enable input using graphic images or numerics.
  6. WILL (Wacom Ink Layer Language) rendering to show the best and most authentic representation of your handwritten digital signature.
  7. UID (Unique hardware ID) is included to identify the exact unit used for a particular signature and other inputs.
  8. STU SDK (Software Development Kit) and Signature SDK are available for developers who wish to integrate support for Wacom signature pads into their applications.
  9. Upgraded USB protocol and internal image storage enable promotional materials to be shown at natural speeds with no delays.

STU-541 – With TLS encryption for highest security (STU-541 cryptography white paper)
STU-540 – Serial connectivity as option

stu541Corvina Icons STU 540-541


  • Dimensions 163 x 157 x 10 mm (6.41 x 6.18 x 0.39 inch)
  • Interface STU-540: USB 2.0/RS-232, STU-541: USB 2.0
  • Power Supply USB bus powered
  • Display type Amorphous TFT LCD
  • Screen Size 5" (108 x 65 mm)
  • Native Resolution 800 x 480 pixels
  • Reading technology Electromagnetic Resonance (EMR)
  • Pen pressure levels 1024 (non-interpolated)
  • Pen report rate 200 points per second (non-interpolated)
  • Coordinate resolution 2,540 lpi / 0.01 mm/pt(non-interpolated)
  • Coordinate accuracy ± 0.5mm (center)
  • Security Lock Slot Yes
  • Battery-free pen Yes
  • Cordless pen Yes
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Wacom STU 540 STU 541 specs

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