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MS246 Magnetic Stripe Reader

The Unitech MS246 is an intelligent, programmable magnetic stripe reader that provides a wide range of functionality and value in a convenient package size. The entire unit is just 100mm long, about the length of a credit card. It reads up to three tracks of information with a single swipe in either direction, and has a beeper and three-color LED indicator to signal a successful read. The MS246 provides easy USB connectivity and OPOS driver support.


• Small footprint to fit in tight places
• Reads up to 3 tracks of information
• Bi-directional card swiping
• Superior reading of high jitter, scratched, and worn cards
• Reliable for over 1,000,000 card swipes
• Threaded inserts for mounting
• USB-KB or USB-HID interface, no external power supply required
• OPOS driver available (Compatible with Windows 7, Vista and XP)
• 2-year warranty

Model Comparison



Interface USB USB USB
Magnetic Stripe Reading 3 Tracks 3 Tracks 3 Tracks
Data Formatting No Yes Yes
Host Compatibility Mac / PC Mac / PC PC
Color Black Black Black
Warranty 2 Years 1 Year 1 Year


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  • Model Numbers

  • MS246 MS246, USB (Keyboard Emulation / HID Mode), Black
  • Electrical

  • Magnetic TTL Power +5 VDC +/-10% (50mV ripple maximum).
    Ground 0 VDC (GND). Chassis ground connected to GND and magnetic head case.
    Operating Current 1mA per track maximum when reading a card
    About 70mA for decoded magnetic stripe
  • Environmental

  • Operating Temperature 32°F to 131°F (0°C to 55°C )
    Storage Temperature -22°F to 158°F (-30°C to 70°C )
    Humidity Maximum 95% non-condensing
  • Reliability

  • Magnetic Head Life 1,000,000 passes minimum
    Rail and Cover Life 1,000,000 passes minimum
    Conformance ISO 7811 1-6
    Warranty 2 years, parts and labor
  • Mechanical

  • Magnetic Stripe Formats ISO 7811, AAMVA
    Swipe Speed 5 to 50 inches per second, bi-directional
    Card Thickness .015 to .045 inches
    Slot Width .050 inches (1.37mm)
    Indicators Tri-colored LED, beeper
    Interface USB-KB, USB-HID
    Dimensions Length: 3.94 inches (100mm)
    Width: 1.38 inches (35mm)
    Height: 1.18 inches (30mm)
    Weight 7 oz
    Cable Length 6-foot side exit cable
  • Product Documentation

  • File Description Download
    MS246 Brochure
    MS246 Manual

  • Supporting Software

  • File Description Download
    MS245/246 Configuration Manager
    Software for configuring the MS245/246 magnetic stripe reader.
    MSR Keyboard Base Driver
    Required if you want to use OPOS feature.
    USBKB OPOS Driver
    MSR Keyboard Base Driver needs to be installed first before install this one.

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