SIMPLE terms, bandwidth is the download rate of your internet connection.It is the maximum speed at which ONE can download data from the internet ONTO the COMPUTER or mobile device.For EXAMPLE, Imagine you want to download a song from the internet. You visit a website, click a button and the song file begins to download on your computer. The speed at which the file will download will depend on your bandwidth. This bandwidth is measured in megabits per second (Mbps).