T-LBK755 Model Series

SignatureGem LCD 4x3
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.
Features & Benefits:

✔ LCD 4x3 tempered glass display

✔ GemGuard® antimicrobial pen

✔ Bluetooth, Wi-Fi, and MSR specialty models available

✔ Rugged, more durable technology

✔ Signature seen on pad and computer screen
SignatureGem LCD 4x3 T-LBK755 Topaz Signature Pad
SignatureGem LCD 4x3 BT T-LBK755SE-BT Topaz Signature Pad
SignatureGem LCD 4x3 MSR TM-LBK755 Topaz Signature Pad


Dual USB/Serial

Dual USB/Serial

Dual Virtual Serial via USB/Serial

Dual Virtual Serial via USB/Serial

Specialty Models

SignatureGem LCD 4x3 BT
Bluetooth Model

SignatureGem LCD 4x3 WF
Wi-Fi Model

TM-LBK755 Series >
SignatureGem LCD 4x3 MSR
Magstripe Reader Models



Signature Pad & Pen

Connection Cable (USB)
(for serial, see the "Serial Cable Kit" accessory below)

Software Download Instructions

Where to Buy

Select the option below that describes you:

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I am a reseller >
Topaz Pads Citrix Ready
SDKs, Plug-Ins, and Apps


All Topaz® products come bundled with our powerful software tools and support for the capture, binding, and authentication of electronic signatures. All software and updates are licensed for use with Topaz pads at no extra charge.
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Topaz Electronic Signature Software


Pens >
Purchase replacement pens for your Topaz signature pad.
Tilt Stand >
Designed to hold Topaz LCD signature pads, the tilt stand has a 360 degree rotation and up-to-45 degree tilt.
USB Cables >
Replacement USB cables for your Topaz signature pad.
Serial Cable Kit >
Required for a Topaz BHSB signature pad to be used serially rather than through USB.
Power Adapter >
Provides an alternate source of power for a Topaz BHSB signature pad in serial mode using a serial cable kit.
Ethernet Adapter >
Designed for a Topaz BHSB signature pad in serial mode using a serial cable kit, this accessory allows for plug-in to a local network through a standard ethernet connection.