Color LCD Signature Pad – Gamma

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Display: 12.5 cm (5″) Full-Colour LCD with LED-backlight
Active Signing Area: 108 x 65 mm
Dimensions (W x D x H) : 145 x 177 x 12 mm
Connection: USB (approx. 2.7 meters cable length)

Availability:3 in stock


The LCD Signature Pad “Gamma” is the fourth electronic signature pad  manufactured for capturing handwritten signatures in digitised form. This device was developed independently and combines 15 years of development, experience and competence. It is a very compact device with it external dimension being 145 x 167 x 10 mm and sets new standards in design and functionality. Gamma LCD Signature Pad has an architecture that makes it an ideal product for customers working in robust environment.

The ultra-flat Signature Pad is convincing with its innovative sensor surface made of special toughened glass with ER-Technology. It has a high resolution full-colour display that makes he excellent display of graphic and text information possible. The device comes with a combination of a special pena and the sensor gives an experience similar to writing on a paper. This gaurantees outstanding quality of the signature; with the particularity, that even movements of the pen in mid-air can be captured. The special battery-less pen has exchangeable tips and can capture 1024 pressure stages. Gamma’s manufacturing ensures an extremely long service life of 30million signatures and excellect durability with the strong safety.

Gamma LCD Signature Pad also comes with an outstanding security feature like internal encryption of the biometric data via Public-Key inside it, just like Sigma, Omega and Alpha pads. The encrypted data transfers from Pad to PC via RSA. The procedures for the certificate-based signature of the e-document in the pad are unique. Thus, spying on the biometric data is just impossible. Due to the independent manufacturing of electronics, firmware, driver and applications this device has an ideal coordination between software and hardware.

Gamma demonstrates the cutting-edge quality characteristics of the signotec products. Moreover, with the impressive integration capacity and the security of investments, signotec is soaring to new heights. For the first time, all kinds of USB-connection methods of the signotec pads are available in one device; HID-USB, WIN-USB and virtual COM-Port; you can choose between all connection methods. For example, today the device can be easily connected to a PC via fast WIN-USB and tomorrow to a Linux-Thin-Client via VCOM or the other way round. The virtual COM-Port guarantees customers the highest possible investment protection, because they can switch the pad easily to USB at a later time, which is now possible due to the internal USB-switch.

The signotec Gamma signature pad can optionally be supplied with an FTDI chip. This chip converts the USB signal into a virtual COM signal, so that the device can be used in virtual environments, such as Remote Desktop (RDP) or Citrix. The mode can be changed from USB to vCOM or vice versa inside the service menu of the pad. For operation, the free FTDI driver is required. You can find it in the download area of our website.
Type12.5 cm (5″) Full-Colour LCD with LED-backlight
Colours16.8 Million
Resolution800 x 480 pixels
Scroll-FunctionYes, graphics up to 800 x 1.440 pixels
TypeERT (Electromagnetic-Resonance-Technology)
Penbatteryless special pen with changeable pen tip
Surfaceparticularly resistant, hardened special glass
Life expectancyapprox. 30 Million Signatures
Pressure Stages1.024
Sample Rate500 Hz, 4D Samples (x, y, z, t)
Active Signing Area108 x 65 mm
Resolution10.206 x 7.422 pixels = 2.400 x 2.910 ppi
EncryptionAES- and RSA-Encryption
Secure ModeReal-time display of the signature without usable biometrics
PDF-SignatureRSA signature creation device inside the pad
Hash-AlgorithmsSHA-256 und SHA-512

More information can be found below in the tab “Security features”.
ConnectionUSB (approx. 2.7 meters cable length)
Power SupplyUSB
Network (TCP/IP)Yes, with optional signotec USB-Ethernet-Adaptor
Terminal Server / CitrixYes, optional with hardware FTDI chip or signotec vCOM driver
Citrix Virtual ChannelYes, optional with signotec Virtual Channel driver
Dimensions (W x D x H)145 x 177 x 12 mm
Weightapprox. 230 g
Status LED2-colour status LED
SlideshowYes, up to 10 images as self-sufficient slideshow inside the pad
CustomizationChange of housing color and logo print (on request)
Warranty2 years

RSA-Security Features

The signotec pads have the highest security mechanisms available. This allows a complete chain of evidence in dispute. Depending on the integration, different techniques are used:

  • PDF documents can be signed inside the pad and not in the insecure environment of the PC.
  • The biometric data of the signature can be RSA-encrypted inside the pad using a public key.
  • RSA-signature of the displayed content and signature.
  • Upon delivery, each pad has a separate and unique RSA certificate for signing.
  • Storing of custom RSA-certificates inside the pad.
  • The pad can generate a RSA certificate.
  • Supported schemes are RSA PKCS # 1 v1.5 (with or without the hash OID), PKCS # 1 v2.1
  • Certificates can be certified by a Root Authority
  • Supported hash algorithms are SHA-1, SHA-256 and SHA-512.
Weight230 g
Dimensions145 × 177 × 12 mm


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