Bandwidth, bandwidth, frequency bandwidth, or bandwidth is the range of frequencies, generally expressed in Hertz. Bandwidth is an important concept in information theory, radio communications, signal processing, and spectroscopy. Bandwidth and communication channel capacity in information transfer are closely related, and the term “bandwidth” is often used as a synonym for communication channel capacity. In particular, the transfer rate of information (data) through some medium or device is called “bandwidth” or “bandwidth. Bandwidth - Wikipedia
High bandwidth = broadband / high bandwidth
This page is auto-translated from /nishio/バンド幅 using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I’m very happy to spread my thought to non-Japanese readers.