Broadband (noun)

1. A wide-bandwidth data transmission in which a single medium (such as a cable or telephone line) can carry many channels of data simultaneously.
2. a high-speed internet connection that is always on and faster than a traditional dial-up connection.

Origin:

Late 20th century: from broad + band.

Examples:

1. The new office building had broadband internet access.
2. He subscribed to a broadband internet service.
3. The broadband connection allowed her to stream video smoothly.
4. The broadband was faster than the previous internet connection.
5. The broadband was required for the new video conferencing system.