|Adj.||1.||broadband - of or relating to or being a communications network in which the bandwidth can be divided and shared by multiple simultaneous signals (as for voice or data or video)|
|2.||broadband - responding to or operating at a wide band of frequencies; "a broadband antenna"|
|(communications)||broadband - 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 kbaud, usually some kind of Digital Subscriber Line, e.g. ADSL.
See also baseband, narrowband.