Signotec Sigma LCD Signature Pad

Description

Display

• 4.0″ (10.4–10.5 cm) monochrome LCD
• Resolution: 320 × 160 pixels
• Optional LED backlight (for low-light environments)
• Real-time signature display on screen

Touch & Input

• RTP (Resistive Touch Panel) technology
• Special passive stylus with replaceable tip
• 1,024 pressure sensitivity levels
• Sampling rate up to 500 Hz (high accuracy signature capture)
• Active signing area approx. 100 × 50 mm (varies slightly by version)

Security Features

• AES & RSA encryption support
• SHA-256 / SHA-512 hashing
• Secure on-device signature capture (biometric data protection)
• Unique device certificate for signature verification
• PDF signing capability through secure integration

Connectivity

• USB connection (HID plug-and-play)
• Optional FTDI virtual COM support (for Citrix/RDP environments)
• Optional USB-to-Ethernet adapter support
• Compatible with Windows and enterprise systems

Physical Specs

• Dimensions: 160 × 120 × 10 mm
• Weight: ~180 g
• Very slim and portable design
• 2-color status LED indicator

Durability & Use

• Up to ~1 million signature lifespan
• Scratch-resistant sensor foil surface
• Designed for high-frequency business use