Wireless is convenient and less expensive
Limitations and political and technical difficulties inhibit wireless technologies
Lack of an industry-wide standard
Device limitations
E.g., small LCD on a mobile telephone can only
displaying a few lines of text
E.g., browsers of most mobile wireless devices use
wireless markup language (WML) instead of HTML
Background
Provides preview and context for rest of
book
Covers basic topics
Data Communications
TCP/IP
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