A guide to the standards for digital enhanced cordless telecommunications (DECT) and personal wireless telecommunications (PWT). It covers background material and technical principles, basic protocols and implementations, plus features on the wide range of applications. It shows: the best ways to implement DECT and PWT for private indoor speech and data systems, as well as for outside public access telephony; how to apply the standards robustly; the technical requirements of the Federal Communications Commission and the technical regulations essential for gaining type approval according to the latest European Union Directives; and how to identify and take the right steps to minimize the possibility of operational failure in multi-vendor environments.