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Service Providers:

  • When customers type, you profit. Increased use of wireless email, Internet, and SMS mean better ROI from your wireless data infrastructure.

Phone Manufacturers: 

  • Drastically improved typing speed, 5-minute learning curve, and uncompromised form-factors enable a new generation of desirable mobile phones.

  • Button-size and layout are perfect for new touchscreen too.

  • High-profit smartphones become more appealing to consumers.

  • No special software or dictionaries needed. Uses standard QWERTY keypad driver and extrapolators.

  • Delta II is simple and inexpensive to manufacture using well-known components and manufacturing techniques, affording a useful, desirable, and profitable feature for new mobile phones.

Application Developers: 

  • Eliminates typing bottleneck on mobile phones, allowing more users to take text-entry related applications seriously.


  • New users type fast immediately, due to their familiarity with a PC keyboard.

  • Easy to read buttons feel "right", even to users with larger hands and fingers.

  • Phones retain their popular small sizes and form factors - comfortable to hold and operate with one or both hands, fitting nicely into purses and pockets.

  • Reduces or eliminates the need for external keyboards.

  • Delta II and QWERTY are symbiotic - learn one, and the other is easy. For example, in emerging markets, users might experience a mobile phone first, and a PC later on. When those users start on a Delta II equipped phone, their motor memory reflexes make it easy for them to learn a PC (QWERTY) keyboard later on.

  • QWERTY for the desktop, Delta II mobile-QWERTY for the pocket. It's what users want.


  • No need to wait for a PC. Many business applications can now be done quickly and conveniently on the one device you always have with you - your mobile phone.

  • Convenient, handheld, world-wide voice, data, and video connectivity now possible 24/7. Anywhere. Real-time. Secure. Discreet. Accurate.




Great Standard.  Safe Investment.

Delta II is the pocket offspring of the ubiquitous PC keyboard standard, and the mobile keypad of choice for as long as people choose to type.


Next: Evolution


  Delta II ™       people type faster on it

Patented & Patent Pending     Chicago Logic Incorporated     deltaii@chicagologic.com