A CDE Definition
satellite bands
Following are the frequency ranges used in satellite communications. See also optical bands.
L-band (390 MHz-1.55 GHz)
GPS satellites, satellite phones,
misc commsats,
SETI outer space exploration
S-band (1.55-5.2 GHz)
weather satellites, XM/Sirius radio
C-band (3-7 GHz) (first satellite band)
misc GEO commsats, cable TV,
satellite TV (7-10 ft. steerable dishes)
X-band (8-12 GHz)
misc commsats
Ku-band (11-15 GHz)
TV network satellite distribution, misc
commsats, satellite TV (18" dishes)
Ka-band (18-40 GHz)
misc commsats, satellite phone backhaul

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