broadband

(noun, adjective)

adjective

1. 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. responding to or operating at a wide band of frequencies

- a broadband antenna

Similar word(s): wideband

noun

1. (telecommunications) A wide band of electromagnetic frequencies

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