Frequency and Wavelength ... Radio Band designation

30-300 Hz 10-1Mm .....ELF (extremely low frequency)
300-3000 Hz .........................................1Mm-100 km
3-30 kHz 100-10 km ...........VLF (very low frequency)
30-300 kHz 10-1 km .....................LF (low frequency)
300-3000 kHz 1 km-100 m ....MF (medium frequency)
3-30 MHz 100-10 m ....................HF (high frequency)
30-300 MHz 10-1 m ..........VHF (very high frequency)
300-3000 MHz 1 m-10 cm ..UHF (ultra high frequency)
3-30 GHz 10-1 cm .............SHF (super high frequency)
30-300 GHz 1 cm-1 mm EHF (extremely high frequency)

Frequency and Wavelength of the IEEE Radar Band designation

1-2 GHz ............30-15 cm ....L Band
2-4 GHz ...........15-7.5 cm.....S Band
4-8 GHz ........7.5-3.75 cm.....C Band
8-12 GHz ......3.75-2.50 cm... X Band
12-18 GHz ......2.5-1.67 cm...Ku Band
18-27 GHz .....1.67-1.11 cm....K Band
27-40 GHz 1.11 cm-7.5 mm .Ka Band
40-75 GHz...............................V Band
75-110 GHz............................W Band
110-300 GHz ......................mm Band
300-3000 GHz...................u mm Band

Satellite TVRO bands

S-Band 1700-3000 MHz
C-Band 3700-4200 MHz
Ku1-Band 10.9-11.75 GHz
Ku2-Band 11.75-12.5 GHz (DBS)
Ku3-Band 12.5-12.75 GHz
Ka-Band 18.0-20.0 GHz

C and Ku Band Satellite Downlink Frequency Assignments