Frequency Bands

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Commonly used notation for microwave frequency bands:

Table: Frequency Bands
Frequency Frequency Range Wave Length (1)
C band 3.95 to 5.80 GHz 79.5 to 51.7 mm
J band 5.85 to 8.20 GHz 51.3 to 36.6 mm
X band 8.20 to 12.4 GHz 36.6 to 24.2 mm
K_u band 12.4 to 18.0 GHz 24.2 to 16.7 mm
K band 18.0 to 26.5 GHz 16.7 to 11.3 mm
K_a band 26.5 to 40.0 GHz 11.3 to 7.5 mm
Table: Interleaved Frequency Bands
Frequency Frequency Range Wave Length (1) Frequency Frequency Range Wave Length (1)
Q band 33.0 to 50.0 GHz 9.1 to 6.0 mm U band 40.0 to 60.0 GHz 7.5 to 5.0 mm
V band 50.0 to 75.0 GHz 6.0 to 4.0 mm E band 60.0 to 90.0 GHz 5.0 to 3.3 mm
W band 75.0 to 110 GHz 4.0 to 2.7 mm F band 90.0 to 140 GHz 3.3 to 2.1 mm
D band 110 to 170 GHz 2.7 to 1.76 mm G band 140 to 220 GHz 2.1 to 1.36 mm
Y band 170 to 260 GHz 1.76 to 1.15 mm J band 220 to 325 GHz 1.36 to 0.92 mm
260 to 400 GHz 1.15 to 0.75 mm 325 to 500 GHz 0.92 to 0.60 mm
400 to 600 GHz 0.75 to 0.50 mm 500 to 750 GHz 0.60 to 0.40 mm
600 to 900 GHz 0.50 to 0.33 mm 750 to 1100 GHz 0.40 to 0.27 mm

(1) Wave Length in free space.