[brawd-band] 
Telecommunications.| 1. | of, pertaining to, or responsive to a continuous, wide range of frequencies. Compare sharp (def. 23). |
| 2. | pertaining to or denoting a type of high-speed data transmission in which the bandwidth is shared by more than one simultaneous signal. |
| 3. | broadband transmission. |
| broad·band (brôd'bānd') adj. Of, relating to, or having a wide band of electromagnetic frequencies: a broadband network. broad'band' n. |
| Main Entry: | broadband |
| Part of Speech: | n |
| Definition: | See narrowband |
Broadband
A high-speed, high-capacity transmission medium that can carry signals from multiple independent network carriers. This is done on a single coaxial or fiber-optic cable by establishing different bandwidth channels. Broadband technology can support a wide range of frequencies. It is used to transmit data, voice and video over long distances simultaneously.
Investopedia Commentary
Broadband internet access is much faster than dial-up access. It is similar to the difference between a brand new sports car and a horse-drawn carriage.
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See also: Asymmetric Digital Subscriber Line - ADSL, Bandwidth, Internet Service Provider - ISP
broadband communications
A class of communication channel capable of supporting a wide range of frequencies, typically from audio up to video frequencies. A broadband channel can carry multiple signals by dividing the total capacity into multiple, independent bandwidth channels, where each channel operates only on a specific range of frequencies.
The term has come to be used for any kind of Internet connection with a download speed of more than 56 kbps, usually some kind of Digital Subscriber Line, e.g. ADSL. A broadband connection is typically always connected, in contrast to a dial-up connection, and a fixed monthly rate is charged, often with a cap on the total amount of data that can be transferred. Domestic broadband connections typically share a telephone line with normal voice calls and the two uses can occur simultaneously without interference.
See also baseband, narrowband.
(2006-03-30)
