Perceived Guiding PrinciplesbrGiven the recommendations from the Partnership for Public Warning and existing requirements on broadcasters and cable operators, guiding principles for a cellular wireless EAS can be tentatively interpreted: These guiding principles could include such items as:

• Opt-in/out vs. Mandatory

• User Alert

• Timeliness

• Breadth

• Geographic localization

• Flexibility

• Architecturally scalable

• Message levels and prioritization

• Security

• Regular testing

• Language

• Roamers

• Type of message

• Accessibility