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narrowband

British  
/ ˈnærəʊˌbænd /

noun

  1. 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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“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

Previous research shows that "concert tremor" can be recorded as long-duration signals with narrowband, harmonic frequency peaks between 1 and 10 hertz.

From Science Daily Mar. 13, 2024

He explains that traditionally, Seti has looked for narrowband signals similar to those used by human beings.

From BBC Feb. 21, 2024

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

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