What is the significance of 'bandwidth' in radio communication?

Bandwidth is critical in radio communication because it indicates the range of frequencies that a signal occupies. This range is essential for various reasons, including determining the amount of data that can be transmitted over a communication channel. A wider bandwidth allows for more information to be sent simultaneously, which is crucial for applications such as high-definition video, audio streaming, and data communication.

Additionally, bandwidth influences how signals can coexist within the same spectrum without causing interference. Understanding bandwidth is fundamental for designing efficient communication systems, ensuring that the required data rate can be achieved while minimizing the risk of signal degradation or interference from adjacent frequencies. This concept is vital for engineers and technicians working with radio frequencies, as it directly affects the performance and quality of radio communication systems.