broadband

/B R AO1 D B AE0 N D/
noun
  1. 1

    A wide band of electromagnetic frequencies

  2. 2

    An internet connection provisioned over an existing service using alternate signal frequencies such as ADSL or cable modem.

adjective
  1. 1

    Of, pertaining to, or carrying a wide band of electromagnetic frequencies

Source: https://en.wiktionary.org/wiki/broadband