Definition of narrowband in English:

narrowband

Syllabification: nar·row·band
Pronunciation: /ˈnarōˌband
 
/

adjective

  • Of or involving signals over a narrow range of frequencies.
    More example sentences
    • There are very few sites who are going to say I can build a wireless portal, a narrowband portal, a broadband portal and maintain them all.
    • One route comprises long- and short-range wireless technologies that use radio frequencies to send broad- and narrowband signals.
    • Each kind of Internet access, be it narrowband or broadband, comes with its peculiar costs, assets and relative appeal to particular customers.

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Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody