Easier to install and reconfigure than cabled networks, the advantages of wireless are increasingly obvious as installation costs continue to decrease. This is a single-source reference on the practical aspects of wireless messaging and data networking and provides a no-nonsense, easy to use approach by an industry expert. In addition to the latest detailed survey on wireless technologies, the book describes standards and practical implementation issues, vendors, benchmarks useful for making product and service decisions, interchange and regional cellular providers, and cellular digital packet data networks.