The bestselling first edition of The Communications Handbook provided the most comprehensive reference ever published for this rapidly advancing field. The Second Edition goes even further and has been thoroughly revised and updated to reflect the many key developments of the last three years. The revisions include new chapters, significant expansion of the Wireless section, and updates of more than 40 percent of the remaining chapters. Expertly written, skillfully presented, and masterfully compiled, this edition provides a perfect balance of essential information, background material, technical details, and international telecommunications standards.