Telefunken is a German radio and television company, founded in 1903, in Berlin, as a joint venture of two large companies, Siemens & Halske (S & H) and the Allgemeine Elektrizitäts-Gesellschaft (General Electricity Company). The name "Telefunken" appears in:

Telefunken produced an extensive product spectrum of devices and systems from 1903 to 1996. Common characteristics are the authority for high frequency and communications technology and the construction unit and infrastructure technology necessary for it.