Committee on Radio Astronomy Frequencies

Frequency Band Notations

Band Frequency (GHz) Wavelength (cm)

P 0.2 - 0.4 133 - 70
L 0.4 - 1.6 70 - 20
S 1.6 - 5.2 20 - 6
C 3.9 - 6.2 7.7 - 4.8
X 5.2 - 11 6 - 3
K 11 - 36 3 - 0.8
Ke 13 - 14 2.2 - 2.1
Ku 15 - 24 1.9 - 1.2
Ka 33 - 36 0.9 - 0.8
Q 36 - 46 0.8 - 0.6
V 46 - 56 0.6 - 0.5
W 56 - 100 0.5 - 0.3

Last modified: December 1, 2000

Band	Frequency (GHz)	Wavelength (cm)

P	0.2 - 0.4	133 - 70
L	0.4 - 1.6	70 - 20
S	1.6 - 5.2	20 - 6
C	3.9 - 6.2	7.7 - 4.8
X	5.2 - 11	6 - 3
K	11 - 36	3 - 0.8
Ke	13 - 14	2.2 - 2.1
Ku	15 - 24	1.9 - 1.2
Ka	33 - 36	0.9 - 0.8
Q	36 - 46	0.8 - 0.6
V	46 - 56	0.6 - 0.5
W	56 - 100	0.5 - 0.3