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Microwave frequency bands

Letter Designation Frequency range
L band 1 to 2 GHz (cordless phones, baby monitors, 1 watt)
S band 2 to 4 GHz (microwave oven, WiFi 1 watt)
C band 4 to 8 GHz (WiFi 1 watt)
X band 8 to 12 GHz (police traffic radar)
Ku band 12 to 18 GHz (police traffic radar)
K band 18 to 26.5 GHz (police traffic radar)
Ka band 26.5 to 40 GHz (police traffic radar)
Q band 30 to 50 GHz
U band 40 to 60 GHz
V band 50 to 75 GHz
E band 60 to 90 GHz
W band 75 to 110 GHz
F band 90 to 140 GHz
D band 110 to 170 GHz

http://en.wikipedia.org/wiki/Microwave

http://en.wikipedia.org/wiki/Wifi

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