Automatic detection of disassembling the keypad
- Support algorithms of DES and Triple DES
- Key top style: Plain/non-protuberant rectangular keys, with laser engraved and
etched and raised  braille on keys are available
- Waterproof, dustproof, shake-proof, pickproof, drill-proof, bombproof.
- Customized design;
- Key travel: 0.45mm
- Force on Keys: 2.5N
- Life time:>2,000,000
- Protection level: IP 65 (static) / IP 54 (dynamic)
- Temperature range: -30oC ~ +80oC
- Humidity range: 30% - 98%
- Air pressure: 60 - 106kPa
- O/S: Ps2/rs232: Win nt4,98se,98me,2000, XP
             USB: Win 98se,98me,2000, XP and mac os9/osx.