MT8121B 2D Wireless Scanner

Instant Wireless Connectivity

Experience seamless connectivity with the MT8121B 2D Wireless Scanner, featuring both built-in Bluetooth and 2.4G technology. Effortlessly transmit data to your host device from up to 50 meters away using Bluetooth or enjoy extended 100-meter wireless range via 2.4G connectivity with the convenient charging base. Designed for comfort and affordability, this ergonomic scanner is your ultimate companion for daily operations.

MT8121B 2D Wireless Scanner Instant Wireless Connectivity
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Enhanced Scanning Precision and Speed

The lightning-fast scanning of MT8121B boasts an impressive scan time of just 1/10 second on average. Whether it's linear barcodes or major 2D barcodes, MT8121B delivers unparalleled scanning accuracy and efficiency. Its superior scanning capabilities, coupled with the ability to scan in any orientation, result in reduced downtime and increased productivity for enterprises of all sizes.

MT8121B 2D Wireless Scanner Increasing Mobile Productivity

Increasing Mobile Productivity

MT8121B 2D Wireless Scanner is the ultimate solution for swift barcode data capture, whether from printed labels or on-screen displays. With a robust 2000mAh battery, the MT8121B keeps you productive throughout your busiest shifts, ensuring uninterrupted operation for over 8 hours of continuous use.

MT8121B 2D Wireless Scanner Flexible Data Collection Capabilities

Flexible Data Collection Capabilities

Unlock limitless data collection possibilities with the MT8121B Wireless Scanner. Seamlessly switch between online wireless mode and offline memory mode, featuring a range of communication interfaces (2.4G, BT HID, BT SPP, BT BLE, and Memory). With its built-in memory, MT8121B ensures convenient storage and upload of barcode data, empowering users with unparalleled flexibility and ease of use.

MT8121B 2D Wireless Scanner Wireless Connectivity Made Easy

Wireless Connectivity Made Easy

Built with Bluetooth® and 2.4G technology, the MT8121B 2D Wireless Scanner offers effortless wireless connectivity. Seamlessly transmit data to your host device from distances of up to 50 meters when utilizing Bluetooth capability. In situations where your host device lacks wireless connectivity, MT8121B comes to the rescue, instantly providing an extended 100-meter range via its charging base, ensuring uninterrupted workflow efficiency.
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Optical & Performance
Light Source 6500K White LED
617nm Red LED
Resolution 4Mil/ 0.1mm (1D)
Scan Angle Horizontal 34°
Vertical 26°
Pitch Angle ±60°
Skew Angle ±60°
Roll Angle 360°
Print Contrast Ratio 25%
Width of Field TBA (13Mil Code39)
Memory 4096 barcodes (characters ≤500 /barcode)
Typical D.O.F*
(Environment: 800 lux)
  • 4 Mil Code39 : 60 ~ 100 mm
  • 13 Mil UPC/EAN: 40 ~ 260 mm
  • 20 Mil QR Code: 40 ~ 350 mm
  • 10 Mil PDF: 40 ~ 280 mm
Physical Characteristics
Dimension L180 x W145 x H95 mm 
Weight 460g
Color Black
Material ABS
Cable RJ45 to USB A(M) Cable
Trigger Scan Button
Indicator LED, Buzzer
Operation Voltage 3.3 VDC ± 5%
Working Current < 300mA
Standby Current < 60mA
Battery 3.7V, 2000mAh, Li-Polymer Battery
Number of Scan
(per full charge)
>8000 scans
(1 scan/ 5 secs, Bluetooth connected)
Radio MT8121B: Bluetooth 5.0 + 2.4G
MT8120B: 2.4G only
Range 2.4G: ≤328 ft/ 100m (line of sight)
BT: ≤164 ft/ 50m (line of sight)
Interface/ Profile 2.4G (Cradle Mode)
Memory Mode
User Environment
Operating Temperature -20°C~50˚C
Storage Temperature -30°C~60˚C
Humidity 0% ~ 95%RH (Non-condensing)
Drop Durability 1.8 M
Ambient Light 100,000 Lux (Sunlight)
Symbologies 1D Symbologies:
UPC-A/UPC-E, EAN-8/EAN-13, ISBN, ISSN, Code 128, Code 39, Code 32, Code 93, Interleaved 2 of 5, Industrial 2 of 5, Matrix 2 of 5, Standard 2 of 5, MSI, Code 11, Codabar, GS1 DataBar, GS1 Composite
2D Symbologies:
QR Code, Micro QR Code, Data Matrix, PDF417, MicroPDF417, Aztec, MaxiCode, Han Xin
ESD Functional after 4KV contact, 8KV air discharge
Safety Approval TBA
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
    MT8120 Quick Guide v1
    2.4G version
  • Document
    MT8121 Quick Guide v1
    BT+2.4G version
  • Document
    MT8121B Datasheet
    MT8121B 2D Wireless Scanner