A mobile device comprising: a communication module for sending and receiving radio communications; a display for displaying information; a processor for controlling software and firmware operation; a keypad for entering data to the processor comprising an array of alpha keys for alpha data entry and an array of numeric keys for numeric data entry, wherein entry of alpha data does not require use of numeric keys and numeric data does not require use of alpha keys; and a housing encompassing the communication system, display, image processor and keypad configured to facilitate an operator holding the mobile device in one hand and keypad data entry with the other hand.