narrowbanding
n.— «The number of users and uses has exploded four and five times, therefore you need the appropriate amount of bandwidth to carry the information,” said Stephen White, chief of Doylestown Township police. “You’re going to be able to get more cops on a frequency because you’re going to narrow the amount of space needed to transmit their information.” The process, known as “narrowbanding,” will cost millions in Bucks County.» —“Bucks facing costly radio revisions” MSNBC Mar. 19, 2009. (source: Double-Tongued Dictionary)