Narrowband meaning
Definitions of narrowband is:
  • noun narrowband
    Of or involving signals over a narrow range of frequencies.
  • noun Definition of narrowband in Technology
    (networking)   A communication channel with a low data rate. [More specific?] The term is sometimes used for an Internet connection via a dial-up modem, typically at 56 kbaud, in contrast to broadband.
  • noun narrowband
    a limited-capacity transmission channel such as that used for transmitting telephone calls and faxes