Digital Communications Techniques and Equipment for Law Enforcement Use

摘要

This report is the result of a study of digital communications equipment for law enforcement use. The primary objective was to determine the suitability of the various types of this equipment for use by law enforcement agencies. The report reviews present voice message traffic on typical police radio networks and discusses operational requirements for digital communications equipment. It further reviews the possible applications of digital communications equipment for law enforcement use, and lists the characteristics of mobile digital terminals being offered at present. A brief technical discussion of mobile digital communications is also provided.