An examination and comparison of the four digital technologies which the author feels will dominate the marketplace for second generation mobile and wireless CDMA, GSM, TDMA, and PCS Satellite. Covers first generation networks, architectural and implementation challenges, interfaces, signaling systems, frequencies and frequency mapping, the standards for all four of the technologies in North America, high performance vocoders, Wireless Local Loop deployment. Also includes previews of third generation mobile systems. Intended primarily for communications engineers, network managers, and others responsible for implementing wireless technology. Annotation c. by Book News, Inc., Portland, Or.