B band (NATO)

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NATO B band

Frequency range

| 250 to 500 MHz

|

Wavelength range

| 1.2 m to 60 cm

Related bands

* VHF
* UHF

Radio bands

ITU
|  1 (ELF)|  2 (SLF)|  3 (ULF)|  4 (VLF)

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|
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5 (LF)|  6 (MF)|  7 (HF)|  8 (VHF)
9 (UHF)|  10 (SHF)|  11 (EHF)|  12 (THF)
EU / NATO / US ECM

* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N

IEEE

* HF
* VHF
* UHF
* L
* S
* C
* X
* Ku
* K
* Ka
* V
* W
* mm

Other TV and radio

* I
* II
* III
* IV
* V
* VI

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* t
* e

The NATO B band is the obsolete designation given to the radio frequencies from 250 to 500 MHz (equivalent to wavelengths between 1.20 and 0.60 m) 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.

## Particularities

The NATO harmonised UHF band 225-400 MHz is also a subset of this particular band as de-fined by the NJFA.

NATO LETTER BAND DESIGNATION | BROADCASTING
BAND
DESIGNATION

|

NEW NOMENCLATURE |  | OLD NOMENCLATURE |
BAND | FREQUENCY (MHz) |  | BAND | FREQUENCY (MHz) |
A | 0 – 250  |  | I | 100 – 150  |  | Band I
47 – 68 MHz (TV)
Band II
87.5 – 108 MHz (FM)
G | 150 – 225  | Band III
174 – 230 MHz (TV)
B | 250 – 500  | P | 225 – 390
C | 500 – 1 000  | L | 390 – 1 550  | Band IV
470 – 582 MHz (TV)
Band V
582 – 862 MHz (TV)
D | 1 000 – 2 000
S | 1 550 – 3 900
E | 2 000 – 3 000
F | 3 000 – 4 000
G | 4 000 – 6 000  | C | 3 900 – 6 200
H | 6 000 – 8 000  | X | 6 200 – 10 900
I | 8 000 – 10 000
J | 10 000 – 20 000  | Ku | 10 900 – 20 000
K | 20 000 – 40 000  | Ka | 20 000 – 36 000
L | 40 000 – 60 000  | Q | 36 000 – 46 000
V | 46 000 – 56 000
M | 60 000 – 100 000  | W | 56 000 – 100 000
US- MILITARY / SACLANT |
N | 100 000 – 200 000
O | 100 000 – 200 000

## References

1. ↑ "NATO Joint Civil/Military Frequency Agreement (NJFA)". http://www.akos-rs.si/files/Zakonodaja/Direktive_in_priporocila/mednarodni_sporazumi/CM-Ag.pdf.

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Radio spectrum (ITU)

ELF
3 Hz/100 Mm
30 Hz/10 Mm

SLF
30 Hz/10 Mm
300 Hz/1 Mm

ULF
300 Hz/1 Mm
3 kHz/100 km

VLF
3 kHz/100 km
30 kHz/10 km

30 kHz/10 km
300 kHz/1 km

300 kHz/1 km
3 MHz/100 m

3 MHz/100 m
30 MHz/10 m

VHF
30 MHz/10 m
300 MHz/1 m

UHF
300 MHz/1 m
3 GHz/100 mm

SHF
3 GHz/100 mm
30 GHz/10 mm

EHF
30 GHz/10 mm
300 GHz/1 mm

THF
300 GHz/1 mm
3 THz/0.1 mm

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Electromagnetic spectrum

* Gamma rays
* X-rays
* Ultraviolet
* Visible
* Infrared
* Microwave
* Radio

← higher frequencies longer wavelengths →

X-rays|

* soft X-ray
* hard X-ray

Ultraviolet|

* Extreme ultraviolet
* Vacuum ultraviolet
* Lyman-alpha
* FUV
* MUV
* NUV
* UVC
* UVB
* UVA

Visible (optical)|

* Violet
* Blue
* Cyan
* Green
* Yellow
* Orange
* Red

Microwaves|

* W band
* V band
* Q band
* Ka band
* K band
* Ku band
* X band
* C band
* S band
* L band

Radio|

* THF
* EHF
* SHF
* UHF
* VHF
* HF
* MF
* LF
* VLF
* ULF
* SLF
* ELF

Wavelength types|

* Microwave
* Shortwave
* Medium wave
* Longwave

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