Meaning of BROADBAND in English

BROADBAND

[broad.band] adj (1956) 1: operating at, responsive to, or comprising a wide band of frequencies "a ~ radio antenna"

2: of, relating to, or being a communications network in which a frequency range is divided into multiple independent channels for simultaneous transmission of signals (as voice, data, or video)

Merriam-Webster English vocab.      Английский словарь Merriam Webster.