# Bandwidth

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**Bandwidth** has several related meanings:

- Bandwidth (signal processing) or
*analog bandwidth*,*frequency bandwidth*or*radio bandwidth*, a measure of the width of a range of frequencies, measured in hertz - Bandwidth (computing), the rate of data transfer, bit rate or throughput, measured in bits per second (bit/s)
- Spectral linewidth, the width of an atomic or molecular spectral line, measured in hertz

**Bandwidth** may also refer to:

- Bandwidth (company), an American communications provider
- Bandwidth (linear algebra), the width of the non-zero terms around the diagonal of a matrix
- In statistics kernel density estimation, the width of the convolution kernel used
- In language expectancy theory, a normative expected range of linguistic behavior
- In business jargon, the resources needed to complete a task or project
*Bandwidth*(radio program), a Canadian radio program- Graph bandwidth, in graph theory
- Coherence bandwidth, a frequency range over which a channel can be considered "flat"
- Power bandwidth of an amplifier, a frequency range for which power output exceeds a given fraction of full rated power

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