Radio bandwidth refers to the range of radio frequencies that are used for transmitting signals over the airwaves. Synonyms for radio bandwidth include radio spectrum, radio frequency spectrum, frequency range, band of frequencies, and spectral bandwidth. These terms are used interchangeably to describe the range of frequencies that are capable of carrying radio signals. The radio spectrum is divided into different bands that are allocated for specific applications such as TV broadcasting, mobile communications, navigation, and satellite communications. Understanding the radio spectrum is essential for anyone who works with radio technology or uses radio waves for communication or entertainment purposes.