Radio Engineering is a branch of electrical engineering that focuses on the design, development, and maintenance of devices that transmit and receive radio waves. This field encompasses various technologies, including radio transmitters, receivers, and antennas, which are essential for communication systems like television, cell phones, and radios. Professionals in radio engineering work on improving signal quality, increasing transmission range, and ensuring efficient use of the radio spectrum. They apply principles of electromagnetism and circuit design to create systems that can effectively send and receive information over long distances, playing a crucial role in modern communication networks.