Meaning of BROADBAND in English

BROADBAND

broad ‧ band /ˈbrɔːdbænd $ ˈbrɒːd-/ BrE AmE noun [uncountable]

1 . technical a system of sending radio signals, that allows several messages to be sent at the same time

2 . a system of connecting computers to the Internet and moving information, such as messages or pictures, at a very high speed

—broadband adjective [only before noun] :

broadband communications

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.