Telecom & Networking

Basic

Wavelength

Physical length of one wave cycle for a given frequency.

Formula

\lambda = \frac{c}{f}

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Variables

\lambdaWavelength (m)

cSpeed of light (3×10⁸ m/s)

fFrequency (Hz)

Example

f=2.4 GHz: λ = 3×10⁸/2.4×10⁹ = 0.125 m

Did You Know?

A Wi-Fi antenna is often a quarter wavelength — about 3 cm at 2.4 GHz.

telecom wavelength antenna

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