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Heng Yu is a Hong Kong based company, with a strong R&D center in our Hong Kong headquarter and powered by our own modern production campus in Zhuhai (Guangdong, China). The two offices are linked up together by the world’s largest and amazing bridge over the sea.

Get In Touch

Phone: +852 2394 1852
Address: Room 1503-05, NanFung Commercial Center, 19 Lam Lok Street, Kowloon Bay, HK

Our Location

852-2394 1852



K104I-SF is the latest generation of integrated solutions for keyboards supporting smart card reader and Fingerprint sensor. It is based on world-renowned GemCore technology and NEXT Biometrics.


Application area:

>> Logical access control           >> Secure logon

>> Physical access control         >> Home banking

>> Ecommerce                            >> Healthcare


Keyboard Specification:

>>Low profile industrial membrane key, 10M key strokes with excellent tactile feeling

Technical Specification

Keyboard Features:

  • Low profile industrial membrane key, 10M key strokes with excellent tactile feeling
  • All in one USB interface for the Keyboard and Fingerprint reader
  • The USB cable complies with USB2.0, with aluminium net shielding
  • Keyboard is strengthened by an internal metal frame

Smart Card Reader Features:

  • Access to all ISO 7816 ad EMV microprocessor cards (T=0, T=1) through PC/SC drivers
  • Communication speed with the smart card; up to 826kbds (when support by the SC)
  • Synchronous cards through a comprehensive API
  • 5V/55mA, 3V/50mA, 1.8V/20mA smart card power supply
  • Full ISO7816 and EMV2000 compliances
  • Short removal detection when powered on
  • ESD protection on card IOs: 8KV contact
  • Windows Driver Supported:
    • Windows XP, Server 2003, Vista, Server 2008,
    • Vista Microsoft CCID class driver compliant
    • Windows 7, Windows8 and 8.1
    • Windows CE
    • Bridges on top of PC/SC for 32 and 64 bit editions;
    • CT/API based on MCT/BCS specs
    • Synchronous API
  • Linux Driver Supported
    • PC/SC Driver
    • Compliant with number of Linux Distributions
    • CCID Class driver compliant (free software)

Fingerprint Reader Features:

  • Sensor technology  from NEXT (patented)
  • Active Sensing Area of 11.9mm x 16.9mm
  • Pixels of 180 x 256
  • Resolution of 385 ppi (pixel size 66 μm * 66 μm)
  • Gray Scale Levels  of 256
  • Image Scan Time  of 0.53s
  • ESD Protection at ±8 kV contact discharge and ±15 kV air discharge according to IEC 61000-4-2
  • Mechanical Durability of 2 million touches @ 2.45N
  • Scratch Resistance by durable lifetime coating

Other Features:

  • Operating Conditions : -10 °C to +60 °C at 95% RH (non condensing)
  • Storage Conditions: -20 °C to +70 °C at 95% RH (non condensing)
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