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Scanner Unitech MS840BT

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Wireless scanning at its best

Searching for the best of the best in scanning devices? The MS840BT has it all!
This scanner combines all high quality features which you can find only in separate devices and offers a mind blowing solution for a great price. Choose only the best. Choose MS840BT.

High performance
The Unitech MS840BT wireless laser scanner is enriched with a high-speed Mantis decoder and a powerful scan engine to optimize data capture efficiency. With 100 scans per second and an operating time of more than 10 hours the MS840BT will last for a complete working day without interruption. Providing different configuration capabilities (USB, RS232 and PS2), creating a connection is convenient with the MS840BT. This scanner also supports HID and SPP protocol, allowing users to connect to a PC, PDA or tablet directly without the need of a cradle. Combine these features with the multi point-to-point function, allowing 3 guns to transmit and secure data to one cradle, and you’ll be convinced it’s a complete and future proof device!

Able to withstand multiple 1.8 meter drops to concrete and IP42 sealing against water and dust, the MS840BT can maintain its high performance in any environment. With a wide range of high quality features this wireless scanner is a perfect fit for industries like retail, light warehousing and sales automation.


Flexibility & productivity
With the ability to scan up to 100 meters from the base station the MS840BT provides the greatest flexibility and productivity for users. Due to the wireless design users can move without restrictions for real-time data connection, while maintaining comfort over long periods of use. The MS840BT stores data in a buffer mode while it is out of range of the wireless signal, uploading the data when it gets back in range. Ideal for various applications, for instance: dispatching, document tracking and tablet scanning.

Endless convenience
The MS840BT is easy to operate. With a cradle that can mount to a desk or wall, a long life trigger design and page calling for scanner tracking, the MS840 BT provides endless convenience and ease-of-use. While lowering the overall investment cost you can do more for your business!


Main features
• Bluetooth Class 1 (up to 100m)
• Pager function
• Virtual COM port and Human Interface port (SPP, HID)
• Connect directly (without cradle) to tablets, POS, etc.
• Memory function when out of range
• Charge the scanner without cradle
• Wall mount cradle available
• One cradle supports up to 3 scanners 

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Technical data

Optical & Performance

Receiving Device Laser engine
Light Source Visible Laser Diode 650 nm
Max. Resolution 0.1mm/4 mil
Scan Rate 104 scans/second
Skew Angle ±50 degrees
Pitch Angle ±35 degrees
Printing Contrast Scale 20% Minimum

Reading Distance

(DOF PCS=90%)

Label / DOFNearFar

Code 39, 5mil 60mm 110mm

Code 39, 6mil 50mm 130mm

Code 39, 10mil 50mm 230mm

Code 39, 20mil 50mm 380mm

Code 39, 40mil 70mm 550mm


Operation Mode Trigger Mode, Flash Mode, Continuous Mode, Buffer mode

Code 39, Full ASCII Code39, Interleave 2 of 5,

Standard 2 of 5, China Postal, UPC, Delta Code,

MSI, Plessy, Codabar, Code 11, EAN8/13, Code 93,

Code 128, EAN128, Code32, Italian Pharmacy, Label

Code,GS1 databar code

Data Formatting Prefix, Suffix, Code ID, Reformatting Date


Operation Voltage DC 3V~5V
Current Consumption Operation mode:<170mA; Standby mode:<30mmA
Battery Type Lithium-ion
Battery Capacity 1620mAh charged via the cradle
Battery Charging time Fully charged in 4.5 hours
Operating Time Over 10 hours


Scanner Dimension H176*W74*L89mm
Scanner Weight 206g
Cradle Dimension H73*W95*L200mm
Cradle Weight 282g


ESD Protection Functional after 8K Contact and 12K Air
Mechanical Shock 1.8M onto concrete
IP rate IP42
Operating Temperature 0°C to 50°C
Storage Temperature -30°C to 70°C
Relative Humidity 5% to 90% non-condensing


Radio Frequency Unlicensed 2.4GHz
Protocol Wireless, SPP & HID profiles
Range 300 feet( line of sight)
Multi scanners operation Up to 3 scanners to one cradle
Host Interface supported Keyboard Wedge, RS232, USB(via Cradle)




Battery pack

Power adapter

Interface cable

Mounting Stand(on the Wall)



2 years (scanner)

6 months (battery)

Regulation Approvals

Regulation Approvals CE,FCC,BSMI,VCCI

We know our job and understand your needs. More than 30 years of experience in automatic identification.
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