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Unformatted text preview: Pappas 1 Alex Pappas Ms. Singh 28 March 2008 Wireless Communications Wireless communications are everywhere. People around the world regularly send and receive messages wirelessly, that is, transmitted through the air. Three types of wireless communications include wireless messaging services, wireless internet access points, and global positioning systems. People use mobile phones, PDAs, and other mobile devices to access text messaging, instant messaging, and picture messaging services (Davis 34-42). Trough text messaging services, users send and receive short text messages, which usually consist of fewer than 300 characters. Wireless instant messaging is an Internet communications service that allows a wireless mobile device to exchange instant messaging with one or more mobile devices or online personal computers. Users send graphics, pictures, video clips, sound files, and short text messages with picture messaging services....
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