The PMRExpo, a leading European trade fair for secure communication, serves as a central meeting point for experts in the field of professional mobile radio and control center technology. "PMRExpo" stands for "Professional Mobile Radio Expo," reflecting the fair's focus on modern communication technologies and services for professional applications. Since 2009, the PMRExpo has been held annually in November at the Koelnmesse site, a location easily accessible both nationally and internationally. This timing and location make it an ideal gathering place for professionals from around the world working in this sector. The fair is organized by Koelnmesse GmbH, a renowned organizer of specialist events, ensuring that the fair covers a wide range of current and relevant topics each year. The PMRExpo is characterized by a diverse program that addresses cross-industry topics as well as specific areas of expertise. A distinctive feature of the fair is its extensive lecture program, which includes the two-day PMR Conference, the one-day Control Center Congress, daily changing specialist forums, and since 2016, a symposium specifically for utility companies. These events offer visitors valuable insights into current developments, practical experiences, and future outlooks for PMR and control centers. Exhibitors at the PMRExpo come from various sectors and present a wide range of products and services relevant to secure communication. These include cutting-edge technologies, software solutions, and innovative services aimed at improving efficiency and safety across different industries. The Koelnmesse, as the venue, significantly contributes to the success of the PMRExpo with its modern infrastructure and comprehensive range of services. As one of Europe's largest trade fair venues, it offers ideal conditions for an event of this size and significance. On the whole the organisers welcomed on the 3 days of the fair, from 28. November to 30. November 2023, about 236 exhibitors from 25 countries and 5000 visitors from 57 countries on the PMRExpo in Cologne. The PMRExpo will take place on 3 days from Tuesday, 25. November to Thursday, 27. November 2025 in Cologne.