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narrowband

   Also found in: Wikipedia 0.04 sec.

narrowband

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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OCN and Nifty are popular among narrowband users, of whom 50% have never changed their ISPs.
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UWB transmits billions of low-power pulses over a very wide radio spectrum, not the traditional high-power narrowband signal at a specific frequency.
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