Topaz SigatureGem LCD 4x3, T-LBK755SE-BHSB-R, Dual Serial & HID USB SE Version Interface, TLBK755SEBHSBR

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T-LBK755SE Model Series SignatureGem LCD 4x3

SignatureGem® LCD 4x3 is Topaz's advanced, more durable LCD (4.4”W x 2.5"L) electronic signature pad that displays "electronic ink" under the pen tip during signing. The large, rugged signing surface make this a versatile pad for the most demanding applications.

5.00 LBS
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The Topaz® SignatureGem® LCD 4x3 is Topaz’s medium-sized, rugged, advanced electronic signature pad with transflective LCD that displays “electronic ink” under the pen tip during signing.

Bundled secure software APIs provide for interactive text, graphics, and pen-tap hotspots and checkboxes which enable users to navigate screens and select preferred options.

The SignatureGem LCD 4x3 shows the signature on the signature pad, as well as the computer screen.

General Information

  • Product Type: Signature Pad

  • Brand Name: Topaz

  • Manufacturer: Topaz Systems, Inc

  • Product Model: T-LBK755SE

  • Product Name: SignatureGem LCD 4x3

  • Product Line: SignatureGem

Technical Information

  • Pad Resolution: 410 ppi

  • Signing Area: 4.40" x 2.50"

Physical Characteristics

  • Height: 6.6"
  • Width: 7.2"
  • Depth: 2.1"


  • Interfaces/Ports:
    • Dual Serial/Virtual Serial via USB
    • 9-pin DB-9 Serial
  • Host Interface: USB

Input Devices

  • Input Device Type: Active Pen

Display & Graphics

  • Display Type: LCD - Backlit


  • Limited Warranty: 3 Year
Three Year Warranty