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2.2.1 Frequency bands

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Article 2 section I of the International Radio Regulations states that the radio spectrum shall be subdivided into nine frequency bands, which shall be designated by progressive whole numbers in accordance with the following table:

Band number

Symbols

Frequency range
(lower limit exclusive,
upper limit inclusive)

Band Description
4
VLF
3 to 30 kHz
Very Low Frequency
5
LF
30 to 300 kHz
Low Frequency
6
MF
300 to 3 000 kHz
Medium Frequency
7
HF
3 to 30 MHz
High Frequency
8
VHF
30 to 300 MHz
Very High Frequency
9
UHF
300 to 3 000 MHz
Ultra High Frequency
10
SHF
3 to 30 GHz
Super High Frequency
11
EHF
30 to 300 GHz
Extra High Frequency
12
 
300 to 3 000 GHz
Infrared

NOTE 1: “Band N” (N = band number) extends from 0.3 × 10N Hz to 3 × 10N Hz.
NOTE 2: Prefix: k = kilo (103), M = mega (106), G = giga (109).
 

 

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Last updated 5 January 2012