Public broadcasting (or public service broadcasting) involves radio, television, and other electronic media outlets whose primary mission is public service.

the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience.

Company that distributes content widely.

Transmission of content via airwaves.

Facility transmitting content via airwaves.

Transmission of signals from space.

International broadcasting consists of radio and television transmissions that purposefully cross international boundaries, often with then intent of allowing expatriates to remain in touch with their countries of origin as well as educate, inform, and influence residents of foreign countries.

Building for radio and television production.

the medium of broadcasting various news events and other information via television, radio, or the internet in the field of broadcast journalism.