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narrowband

   Also found in: Wikipedia 0.02 sec.

In communications, transmission rates up to T1 speeds (1.544 Mbps). The upper limit is moving target. At one time, narrowband meant 150 bps (that is 150 bits per second!). Then, the upper limit became 2,400 bps. Later, it moved to 64 Kbps. Contrast with wideband and broadband.

(networking)narrowband - A communication channel with a low data rate.

The term is sometimes used for an Internet connection via a dial-up modem, typically at 56 kbaud, in contrast to broadband.


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