For faster navigation, this Iframe is preloading the Wikiwand page for K band (IEEE).

K band (IEEE)

IEEE K-band
Frequency range
18–27 GHz
Wavelength range
1.67–1.11 cm
Related bands

The IEEE K-band is a portion of the radio spectrum in the microwave range of frequencies from 18 to 27 gigahertz (GHz). The range of frequencies in the center of the K-band between 18 and 26.5 GHz are absorbed by water vapor in the atmosphere due to its resonance peak at 22.24 GHz, 1.35 cm (0.53 in). Therefore these frequencies experience high atmospheric attenuation and cannot be used for long-distance applications. For this reason, the original K-band has been split into three bands: Ka-band, K-band, and Ku-band as detailed below.

The K stands for Kurz, the German word for 'short'.

Subdivisions

Because of the water vapor absorption peak in the center of the band,[1] the IEEE K-band is conventionally divided into three sub-bands:

  • Ku-band (K-under band, 12–18 GHz): mainly used for satellite communications, direct-broadcast satellite television, terrestrial microwave communications, and radar, especially police traffic speed detectors.
  • K-band (18–27 GHz): due to the 22 GHz water vapor absorption line, this band has high atmospheric attenuation and is only useful for short-range applications.
  • Ka-band (K-above band, 26.5–40 GHz): mainly used for satellite communications, radar and experimental communications. NASA's Kepler spacecraft is the first NASA mission to use Ka-band NASA Deep Space Network (NASA DSN) communications.[2]

Amateur radio

The Radio Regulations of the International Telecommunication Union (ITU) allow amateur radio and amateur satellite operations in the frequency range 24.000 GHz to 24.250 GHz, which is known as the 1.2-centimeter band. It is also referred to as the K-band by AMSAT.

See also

References

  1. ^ du Preez, Jaco; Sinha, Saurabh (2016). Millimeter-Wave Antennas: Configurations and Applications. Springer. p. 3. ISBN 978-3319350684.
  2. ^ "Mission Manager Update: Kepler Spacecraft Status Report". NASA. 17 June 2011. Retrieved 3 December 2021. Public Domain This article incorporates text from this source, which is in the public domain.
{{bottomLinkPreText}} {{bottomLinkText}}
K band (IEEE)
Listen to this article

This browser is not supported by Wikiwand :(
Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience.
Please download and use one of the following browsers:

This article was just edited, click to reload
This article has been deleted on Wikipedia (Why?)

Back to homepage

Please click Add in the dialog above
Please click Allow in the top-left corner,
then click Install Now in the dialog
Please click Open in the download dialog,
then click Install
Please click the "Downloads" icon in the Safari toolbar, open the first download in the list,
then click Install
{{::$root.activation.text}}

Install Wikiwand

Install on Chrome Install on Firefox
Don't forget to rate us

Tell your friends about Wikiwand!

Gmail Facebook Twitter Link

Enjoying Wikiwand?

Tell your friends and spread the love:
Share on Gmail Share on Facebook Share on Twitter Share on Buffer

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

This photo is visually disturbing This photo is not a good choice

Thank you for helping!


Your input will affect cover photo selection, along with input from other users.

X

Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?