narrowband

British

/ ˈnærəʊˌbænd /

noun

a limited-capacity transmission channel such as that used for transmitting telephone calls and faxes Compare broadband

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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narrowband

Researchers found no convincing technosignatures within the narrowband radio frequencies they examined.

From Science Daily ● Jul. 14, 2026

“This broad range allows scientists to search for narrowband radio signals, which are not produced in nature and would be evidence of technology,” the news release said.

From Los Angeles Times ● Jun. 6, 2026

U.S. defence company Northrop Grumman has pulled out of a competition to supply narrowband military satellite communications for Britain's armed forces, the Financial Times reported on Friday.

From Reuters ● Nov. 18, 2023

“They’re doing it with enormously better equipment and with many more targets, but the experiment itself is to look for narrowband signals coming from the sky. And that was Frank’s idea.”

From Scientific American ● Sep. 6, 2022

She adds that the firm's speaker releases "gentle" short-travelling multi-frequency sounds, rather than "painful" narrowband frequencies that carry through the air for much longer distances.

From BBC ● Mar. 27, 2022

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023