I band (NATO)

The NATO I band is the obsolete designation given to the radio frequencies from 8 000 to 10 000 MHz (equivalent to wavelengths between 3.75 and 3 cm) during the Cold War period. Since 1992 frequency allocations, allotment and assignments are in line to NATO Joint Civil/Military Frequency Agreement (NJFA).[1] However, in order to identify military radio spectrum requirements, e.g. for crises management planning, training, Electronic warfare activities, or in military operations, this system is still in use.

NATO LETTER BAND DESIGNATION BROADCASTING
BAND
DESIGNATION
NEW NOMENCLATURE OLD NOMENCLATURE
BANDFREQUENCY (MHz) BANDFREQUENCY (MHz)
A0 – 250 I100 – 150 Band I
47 – 68 MHz (TV)
Band II
87.5 – 108 MHz (FM)
G150 – 225 Band III
174 – 230 MHz (TV)
B250 – 500 P225 – 390
C500 – 1 000 L390 – 1 550 Band IV
470 – 582 MHz (TV)
Band V
582 – 862 MHz (TV)
D1 000 – 2 000
S1 550 – 3 900
E2 000 – 3 000
F3 000 – 4 000
G4 000 – 6 000 C3 900 – 6 200
H6 000 – 8 000 X6 200 – 10 900
I8 000 – 10 000
J10 000 – 20 000 Ku10 900 – 20 000
K20 000 – 40 000 Ka20 000 – 36 000
L40 000 – 60 000 Q36 000 – 46 000
V46 000 – 56 000
M60 000 – 100 000 W56 000 – 100 000
US- MILITARY / SACLANT
N100 000 – 200 000
O100 000 – 200 000
NATO I band
Frequency range
8–10 GHz
Wavelength range
3.75–3 cm
Related bands
Radio bands
ITU
1 (ELF) 2 (SLF) 3 (ULF) 4 (VLF)
5 (LF) 6 (MF) 7 (HF) 8 (VHF)
9 (UHF) 10 (SHF) 11 (EHF) 12 (THF)
EU / NATO / US ECM
IEEE
Other TV and radio

References
  1. NATO Joint Civil/Military Frequency Agreement (NJFA)


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