Personal Digital Assistant

From Wiki 24

A Personal Digital Assistant or PDA is used to keep schedules, get on the Internet, possibly make telephone calls, view maps or satellite images, among other tasks. Technologically advanced PDAs, like Jack Bauer's Palm Treo 650, is able to receive and send messages, pictures, and more. Chloe O'Brian was able to tap into it and send out a certain frequency at the beginning of Day 5, causing a bomb to go off at the Ontario Airport.

During Day 6, information recorded in Lisa Miller's PDA was being downloaded by Mark Bishop and given to the Russian government.