stu430 pm


The STU-430 is a full-featured, monochrome signature pad with a new thin design and a low-profile, flat surface. The 4.5’’ screen is large enough to capture longer signatures as well as to accommodate soft buttons in addition to the signature area. The transflective LCD is easily readable in varying light conditions.

STU 430 f

STU-430 features and benefits

  • 4.5" monochrome, reflective LCD display easily accommodates large signatures and soft buttons
  • Patented cordless, battery-free pen with 1024 levels of pressure sensitivity to accurately capture the unique pen pressure profile of a signature to be included in the biometric data
  • State-of-the-art RSA/AES encryption to perform secure transactions
  • Pen holder/USB cable lock combination provides a convenient area to place the pen, plus USB lock prevents accidental disconnection of USB cable 
  • Unique hardware ID so the exact device used for signing can be identified
  • Integrated lock slot to secure the unit when needed
  • Hardened glass protects the LCD and is highly scratch resistant

The STU-430 is a versatile signature pad will all of the features you would expect from a premium product. The thin, attractive design fits in with any signing environment. The monochrome LCD is easily readable in varying light conditions and has enough space for soft buttons in addition to the signature line. State-of-the-art encryption and unique hardware ID ensure secure signing conditions.


  • Product Dimensions 161 x 174 x 11 mm
  • Communication interface USB
  • Power Supply via USB
  • Security Lock Slot Yes
  • Warranty 1 year
  • Screen Type F-STN, positive reflective
  • Screen Size (Measured Diagonally) 4.5" diagonal
  • Screen Dimensions 96 x 60 mm
  • Native Resolution 320 x 200
  • Reading Method Electromagnetic resonance (EMR)
  • Pen pressure levels 1024
  • Sensor Resolution 2540 lpi
  • Coordinate accuracy ± 0.5 mm (center)
  • Battery-free pen Yes
  • Cordless pen Yes
  • Report Rate 200 pps
  • Development environments C++, .Net, and Java SDK/API available for developers
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STU 430 tn
STU 430

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