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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




Key Features

  • Build in antenna
  • 122 x 32 dot matrix LCD
  • 128 kb flash memory for storing access record
  • Single pole double throw relay for controlling door lock
  • Real time clock with battery backup
  • RS232 interface
  • Software library for easy integration within applicaion
  • Support Windows 95, 98, ME, 2000, NT, XP
  • One optional smart card reader
  • Two optional SAM card readers


  • Access Control
  • Time Attendance
  • Public Transportation Payment
  • E-Wallet Payment

Technical Data


  • Power supply: +5V/DC +/- 10%
  • Current input: <120mA
  • Interface: RS232
  • Dimension (LxWxH): 143mm x 103mm x 33mm


  • Storage temperature: -25 degree C to +60 degree C
  • Operating temperature: 0 degree C to +50 degree C
  • Operating humidity: 20% to 90%
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