MS622 Wired 2D Ring Scanner

The MS622 is a supremely convenient single finger wearable scanner that combines powerful 2D scanning performance with a lightweight, hands-free form factor. This wired wearable scanner is designed to be used with the Unitech WD200 Wearable Mobile Computer. The included USB-C cable easily connects the MS622 to the WD200, causing no need to fuss with Bluetooth pairing so your employees can get right to scanning, completely hands-free!

• Effortlessly scan all day with a light weight of only .5oz (14g)

• Plug & play convenience with glove-compatible left and right hand operation

• 1D & 2D scanning capability at up to 60FPS, with IP42 dust and water resistance and 4.9 feet of drop resistance (1.5m)

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The MS622 is a single finger wearable scanner that combines lightweight design with superior 2D scanning performance to transform the way you work. The MS622 seamlessly integrates with devices like the WD200 Wearable Mobile Computer so you can easily and accurately scan while keeping both hands free. Its powerful streamlining ability can be applied to a wide range of situations such as retail, pharmacy, transportation and warehousing.



 • Flexible hands-free scanning experience: single finger wearable design

 • Compact and lightweight: only .5oz (14g)

 • Allows right and left hand operation

 • Rugged and durable design with IP42 certification and 4.9 feet (1.5m) of drop resistance

 • Plug and play convenience designed to be used with the WD200 Wearable Mobile Computer, to offer a fully hands-free scanning solution.

 • Instant decoding feedback: LED & buzzer indicators.

Single Finger Wearable Design


Featuring flexible and lightweight wearable design, the MS622 ring scanner gives users freedom of movement to perform barcode scanning tasks comfortably while keeping both hands free. It’s suitable for left and right hands, making it a convenient tool for any of your employees.



Single Finger
2D Ring Scanner
Both Hands





Superior 2D Scanning Performance

The MS622 features a high-speed decoder paired with an aggressive scanning engine, to deliver unmatched performance. These powerful components provide up to 60 FPS and high density capture with a 5 mil resolution and a scanning width up to 146mm. The MS622 scans at high speed and operational effectiveness even while moving and can even scan most 1D / 2D barcodes on mobile device screens.
1D / 2D
Up to 60 fps

Frame Rate

Lightweight, Convenient to Use


The MS622 boasts an ergonomic and lightweight design, weighing just .5oz to provide users with all-day comfort and superior performance. By wearing the MS622 ring scanner on their finger combined with a WD200 wearable mobile computer, warehouse and retail workers are available to keep their hands on the items they are moving, increasing safety and productivity.



14 g
Lightweight Design





Compatible with Gloves

Featuring a sensitive, touch-activated trigger key, the MS622 is compatible with gloves to allow users to protect their hands while increasing efficiency.



The MS622 has an IP42 rating for dust and water resistance as well as 4.9-foot drop resistance that provides superior durability and reliability. The MS622 gives workers convenience and safety in a high-performance, compact design that can withstand the stress of the workplace.

1.5 m
Drop Spec



TAA Compliant Barcode Scanners


Model Numbers

  • SKUsMS622-2UCB00-SG:
    MS622 Ring Scanner, 2D, Corded, with USB cable


  • DisplayCMOS Sensor (640 x 480 pixels)

Optical & Performance

  • Aiming ElementWhite LED & Red LED (625nm)
  • Ambient Light100,000 Lux (Sunlight)
  • Scan Rate60 Frames/Sec
  • Skew Angle± 60°
  • Pitch Angle Sensor± 60°
  • Roll Angle360°
  • Optical Resolution≥ 5mil
  • Printing Contrast Scale40%
  • Depth of Field(Environment : 800 lux)
    5 Mil Code 39 : 45 ~ 145 mm
    13 Mil UPC/EAN: 65 ~ 345 mm
    6.67 Mil PDF417 : 55 ~ 120 mm
    15 Mil QR Code : 35 ~ 165 mm
    10 Mil Data Matrix : 50 ~ 115 mm


  • Host Interface SupportedUSB VCP


  • Dimension1.08 in x 1.82 in x 1.05 in (27.6 x 46.2 x 26.8 mm)
  • Weight.5oz/14g (without cable)
  • Trigger Switch Life100000 uses


  • 1D BarcodesUPC-A/UPC-E, EAN-8/EAN-13, Industrial 2 of 5, Codabar, Matrix 2 of 5, Code 11, Code 93, Code 32, Code 128, Standard Code 39, Full ASCII Code 39, Interleaved 2 of 5, China Postal Code, MSI Plessey Code, UK Plessey Code, EAN/UCC 128, Telepen Code, IATA Code, GS1 Databar
  • 2D BarcodesQR Code, Micro QR Code, PDF417, Data Matrix, Aztec


  • Operation VoltageDC 5 V± 5%
  • Current ConsumptionWorking Current: < 135mA ; Standby Current: < 15mA
  • IndicatorLED, Buzzer


  • ESD ProtectionFunctional after 4KV contact, 8KV Air discharge
  • Mechanical Shock4.9 Feet (1.5m) onto concrete (scanner only)
  • Operating Temperature-4º ~ 131ºF
  • Storage Temperature-40º ~ 158ºF
  • Relative Humidity0% ~ 95%RH (Non-condensing)
  • IP RatingIP42

Regulatory Approvals

  • Regulatory ApprovalsFCC, CE

What comes in the box

  • The standard package contents■ MS622 Scanner with Velcro Strap
    ■ Micro USB to USB Type C Cable 3.5in (90mm)
    ■ Spare Velcro Strap
    ■ Quick Guide


  • Main Unit1 Year