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Black rectangular signature pad with a 5.00 inch color screen and cordless pen

Wacom

Wacom STU540 5.00" Color Signature Pad 2540 lpi 1024 Pressure Levels

SKU CH-MHTQ-X6SED MPN STU540

Captures handwritten signatures on a 5.00" color display with 1024 pressure levels and 2540 lpi resolution via USB

  • ColorBlack
  • InterfacesUSB (RS-232 optional)
  • Sensor TypePressure Sensor
  • Pen TypePen report rate: 200 points per second Pen pressure levels:
  • Signing Area Size4.25" x 2.56"
  • Resolution800 x 480 pixels
  • Accurate biometric capture with 1024 pressure levels and 2540 lpi resolution
  • Natural pen-on-paper feel on hardened anti-glare etched glass cover plate
  • Secure transactions via AES 256 and RSA 2048 encryption built into the pad
  • Citrix 7.6.3 native USB support plus VCP mode for Citrix 6.5 compatibility
  • On-device slideshow mode displays promotional content without host software

Professional signature capture

The Wacom STU540 is a 5.00 inch colour signature pad designed for businesses that need secure electronic signing at the point of sale or service. It captures handwritten signatures with 1024 pressure levels and a coordinate resolution of 2540 lpi for biometric accuracy. The device connects via USB 2.0 and draws power directly from the host port.

Hardened glass and flexible mounting

An anti-glare etched glass cover plate protects the amorphous TFT LCD while giving a natural pen-on-paper feel during daily use. The cordless, battery-free pen stores inside a dedicated compartment on the unit. Optional RS-232 connectivity and Virtual COM Port mode support legacy and virtualised desktop environments such as Citrix 6.5 and 7.6.3.

Check software and port compatibility

Verify that your signature application supports Wacom sign pro PDF or the provided C++, .NET and Java SDKs before ordering. Confirm the host system has an available USB-A port for bus-powered operation or a serial port if RS-232 is required. The pad’s physical footprint measures 6.20 by 6.40 by 0.40 inches, so ensure the counter space accommodates these dimensions.

Highlights

  • Accurate biometric capture with 1024 pressure levels and 2540 lpi resolution
  • Natural pen-on-paper feel on hardened anti-glare etched glass cover plate
  • Secure transactions via AES 256 and RSA 2048 encryption built into the pad
  • Citrix 7.6.3 native USB support plus VCP mode for Citrix 6.5 compatibility
  • On-device slideshow mode displays promotional content without host software

Specifications

BrandWacom
ModelSTU540
ColorBlack
InterfacesUSB (RS-232 optional)
Sensor TypePressure Sensor
Pen TypePen report rate: 200 points per second
Pen pressure levels: 1,024
Signing Area Size4.25" x 2.56"
Resolution800 x 480 pixels
ConnectivityWired
Dimensions6.20" x 6.40" x 0.40"
Weight0.60 lb.
FeaturesGeneral Specifications
Power supply: USB bus powered
Protocol modes: USB, VCP, RS-232
LCD Display
Display type: Amorphous TFT LCD
Cover plate surface: Anti-glare etched glass
Colors: 16.7M colors
Pad
Reading technology: Electromagnetic Resonance (EMR)
Coordinate resolution: 2,540 lpi
Coordinate accuracy: +/- 0.02" (+/- 0.5 mm) center
Security lock slot: Yes
Encryption: AES256 / RSA2048
Miscellaneous
Pen storage: Pen compartment
Signature software compatibility: Compatible with signature / E-signing software and Wacom sign pro PDF
C++, .NET and Java SDK/API available for developers
Th
Shipping weight0.97 kg
Package size381 × 267 × 210 mm

Questions about this item

What does the USB 2.0 interface cap the pen report rate at?

The USB 2.0 connection supports the pen's native 200 points per second report rate with 1024 pressure levels and 2540 lpi coordinate resolution.

What physical space and mounting does the 6.20" x 6.40" x 0.40" pad need?

The pad occupies a 6.20 by 6.40 inch footprint and is 0.40 inches thick; it includes a security lock slot for Kensington-style cable mounting.

How is the STU-540 installed and what step do people miss?

Connect the USB cable for bus power and data, then install the driver or SDK to enable VCP or RS-232 protocol modes; skipping the driver install leaves the pad in basic USB mode only.

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