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 (bănd′wĭdth′, -wĭth′)
1. The numerical difference between the upper and lower frequencies of a band of electromagnetic radiation, especially an assigned range of radio frequencies.
2. The amount of data that can be passed along a communications channel in a given period of time.


1. (Electronics) the range of frequencies within a given waveband used for a particular transmission
2. (Electronics) the range of frequencies over which a receiver or amplifier should not differ by more than a specified amount
3. (Telecommunications) the range of frequencies used in a specific telecommunications signal


(ˈbændˌwɪdθ, -ˌwɪtθ)

1. the smallest range of electronic frequencies constituting a band, within which a particular signal can be transmitted without distortion.
2. the transmission capacity of an electronic communications device.


The difference between the limiting frequencies of a continuous frequency band expressed in hertz (cycles per second). The term bandwidth is also loosely used to refer to the rate at which data can be transmitted over a given communications circuit. In the latter usage, bandwidth is usually expressed in either kilobits per second or megabits per second.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bandwidth - a data transmission ratebandwidth - a data transmission rate; the maximum amount of information (bits/second) that can be transmitted along a channel
information measure - a system of measurement of information based on the probabilities of the events that convey information


[ˈbændwɪdθ] nlargeur f de bande
References in periodicals archive ?
He is also president of Digital BandWidth LLC, a private, early-stage communications technology investment firm.
4 GHz digital bandwidth ensures reception untainted by transmission noise, and the 32-ohm impedance enables a wide range of listening volumes.
The LabMaster 10 Zi incorporates the industry's most advanced 8HP SiGe 36 GHz chipset combined with LeCroy's patented Digital Bandwidth Interleave (DBI) technology and LabMaster Zi ChannelSync architecture to deliver 60 GHz of bandwidth, nearly double the real-time bandwidth of competitive manufacturers.
In terms of digital bandwidth, it was noted above that modern
iBeam's arrangement with the TV station for the use of its digital bandwidth could take several forms, considering that services offered include weather forecasts, newspapers delivered in pdf, news, video-on-demand, video games, music and Web pages without Internet connections.
Suitable for digital bandwidth requirements and wireless broadband communications--including jumper and antenna feeder cables in wireless systems--the cable is available in sizes from 0.
This QoS concern also applies to the consistency of the broadband digital bandwidth for Internet connectivity and data networking purposes.
What will make an airplane of the future more usable by average people is the revolution in digital bandwidth, satellite navigation, and datalink wireless communications," insists NASA's Bruce J.
BET on Jazz (which is beamed digitally via satellite to distributors) will really begin to take off when digital bandwidth arrives," says Symonds.
The greater the digital bandwidth of a system, the faster electronic mail can be sent to a friend or a video clip can be downloaded from the Internet.

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