MT85HD+MTD20 2D Scan Engine

For High Density Solution

MT85HD+MTD20 scan engine is designed to deliver high density 2D barcode scanning solution. MT85HD consists of a mini imager and a decoder board that can be easily integrated into host system. With the ability to scan 3Mil 1D barcodes and 4Mil 2D barcodes, MT85HD is an ideal choice for high density barcode scanning applications.

2d barcode scan engine, decoder & module

High Density Imaging Technology

Built with a high resolution lens and a mega-pixel image sensor, MT85HD+MTD20 2D scan engine can read high density barcodes at close range. With advanced decoding algorithm MT85HD+MTD20 lets users scan tiny 3Mil 1D barcodes and 4Mil 2D barcodes from the labels of test tubes and electronic components at a faster speed.

2d barcode scanner engine

Compact Decoder Board

MTD20, the decoder board of MT85HD, is designed to be so compact (W25 x L25 x H2mm) that can be easily integrated into host system. As a result, adopting MT85HD+MTD20 2D scan engine helps users increase maximum flexibility for product design and reduce development effort.

2D barcode scan module for mobile application

Mobile-Friendly Scanning

MT85HD+MTD20, with enhanced optical design and latest decode algorithm, virtually scans all 1D barcodes and most 2D barcodes on any surface such as paper-based label and mobile phone display. With MT85HD+MTD20 integrated into mobile device, users may expand their business into many new applications such as eCoupon, eTicket, Digital ID cards and mobile payments.

2D barcode decoder

Easy and Flexible Operations

MT85HD+MTD20 2D scan engine enhances design flexibility by offering various output interfaces with USB HID, USB VCP and UART and enabling users to easily configure the reading modes and settings according to preference. The flash memory of MT85HD+MTD20 serves as a flexible and upgradeable provision for additional requirements or performance enhancement and extends the product's life cycle as well.

2D scan engine

Ambient Light Immunity

MT85HD+MTD20 automatically adjusts its parameters for optimal scanning performance which provides the freedom to scan barcodes from under complete darkness to direct sunlight. As a result, MT85HD+MTD20 2D scan engine is ideal for both indoors and outdoors scanning applications which require more immunity for ambient light.

barcode 2d scan engine

Bi-directional Communication

A set of commands are supported to enable the host device to configure all the functions of MT85HD+MTD20 thereby fulfilling dynamic configurations demand. To help users grasp and understand the bi-directional communication more quickly, the Windows®-based Ez Utlity® configuration utility is provided as a user-friendly platform where testing MT85HD can be done easily.


Optical & Performance
Light Source 3000K CCT white LED
625nm visible red LED dot aimer
Sensor 1280 x 800 pixels
Scan Rate 60 fps
Resolution 3mil/ 0.075mm (Code 39)
4mil/ 0.1mm (QR Code)
Scan Angle Horizontal 37°
Vertical 24°
Pitch Angle ±60°
Skew Angle ±30°
Roll Angle 360°
Print Contrast 30%
Width of Field 65mm (13Mil Code39)
Typical D.O.F*
(@ 800 Lux, MTD20 Decoder)
  • Code 39
  • 3 Mil  : 37 ~ 85 mm
  • 5 Mil  : 27 ~ 101 mm
  • 13 Mil : 46 ~ 151 mm
  • QR Code
  • 4 Mil : 40 ~ 68 mm
  • 15 Mil : 36 ~ 143 mm
  • PDF417
  • 4 Mil : 40 ~ 67 mm
  • 6.67 Mil : 26 ~ 95 mm
  • Data Matrix
  • 4 Mil : 41 ~ 53 mm
  • 10 Mil : 27 ~ 105 mm
Physical Characteristics
Dimension MT85HD Imager : W20.6 x L15.1 x H11.5 mm
MTD20 Decoder Board : W25 x L25 x H2mm
Weight MT85HD Imager: 3.4g
MTD20 Decoder Board: 2.7g
Color Black
Material ABS
Connector MT85HD Imager: 25pin ZIF (pitch=0.3mm)
MTD20 Decoder: 20pin board-to-board (pitch=0.4mm)
Cable MT85HD Imager to MTD20 Decoder: 25pin flex cable (pitch=0.3mm)
Operation Voltage 3.3 VDC±5%
Working Current < 280mA
Standby Current < 110mA (USB); < 60mA (UART)
Idle Current (Sleep Mode) < 2mA
Interface/ Profile
  • UART
User Environment
Operating Temperature 0 ~ 50°C
Storage Temperature -20 ~ 65°C
Humidity 0% ~ 95%RH (Non-condensing)
Drop Durability 1.5M
Ambient Light 100,000 Lux (Sunlight)
Decode Capability
1D Symbologies UPC-A/UPC-E, EAN-8/EAN-13, Industrial 2 of 5, Codabar, Matrix 2 of 5, Code 11, Code32, Code 93, Code 128, Code 39, Interleaved 2 of 5, MSI Plessey Code, EAN/GS1-128, GS1 Databar
2D Symbologies QR Code, Micro QR Code, Data Matrix, PDF 417, Aztec
ESD Functional after 4KV contact, 8KV Air discharge
(requires housing that is designed for ESD protection and stray from electric fields)
EMC FCC Part 15B Class B, CE EN55024/32
Safety Approval EN/IEC62471 (Exempt Group)
Environmental WEEE, RoHS 2.0
“ Need a custom product ? Please tell us your requirements. ”
* Those D.O.F are mean values.
** All Specifications are subject to change without notice.


  • Document
  • Document
    Ez Utility v7.00
    For Standard Firmware
  • Document
    MB110 Integration Guide v02
  • Document
    2D Scan Engine User Manual v2020.2
  • Document
    MT85HD+MTD20 Scan Engine Datasheet
  • Document
    OPOS Driver v2.0
    Demo App & User Guide
  • Document
    Serial Commands Manual v2.6
  • Document
    MT85HD+MTD20 Integration Guide v1.0
  • Document
    AA5 VCP Driver
    For Products with AA5-x-x.xx Firmware