This acclaimed wireless intro book provides a thorough understanding the basic workings of wireless networks, technology, and regulations, clearly explaining concepts like radio frequency, cell sites and switching, as well as the regulatory processes that affect all wireless service providers and equipment manufacturers. This new edition has been heavily revised to cover digital wireless: GPRS, 3G, UTMS, cdma2000, Wi-Fi, WiMAX, and the host of new digital services driving wireless growth.