1) Band 2) Broadband 
In communications, a system is wideband when the message bandwidth significantly exceeds the coherence bandwidth of the channel. Some communication links have such a high data rate that they are forced to use a wide bandwidth; other links may have relatively low data rates, but deliberately use a wider bandwidth than `necessary` for that data ra.....
Type: Term Pronunciation: wīd-band Definitions: 1. A broad array of sound frequencies. See: white noise