 Every radio can be allowed access to the communication of another agency, either when already programmed this way or given access by the dispatch center.Organization, infrastructure and security keys are centrally managed by a government authority ("Bundesanstalt für den Digitalfunk der Behörden und Organisationen mit Sicherheitsaufgaben"), assisted by a net of authorized and tactical bodies throughout the country.There are two different strategies used in dispatching EMS vehicles in Germany; the "Rendezvous system" and the "Station system"

In this model, the emergency ambulance (RTW) and Doctor's car (NEF) are not necessarily co-located.