G band (IEEE)

IEEE G band
Frequency range	110 – 300 GHz
Wavelength range	2.73 – 1 mm
Related bands	mm (IEEE) EHF (ITU)

ITU radio bands

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 radio bands

IEEE radio bands

Other TV and radio bands

The modern IEEE G band covers frequencies from 110 to 300 GHz (2.7 mm—1.0 mm) and includes the 118 GHz oxygen and 183 GHz water lines used for atmospheric sounding. It is also referred to as mm in the 2002 IEEE Standard for Letter Designations for Radar-Frequency Bands.

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

LF
30 kHz/10 km
300 kHz/1 km

MF
300 kHz/1 km
3 MHz/100 m

HF
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

Electromagnetic spectrum

← higher frequencies longer wavelengths → Gamma rays X-rays Ultraviolet Visible Infrared Terahertz radiation Microwave Radio

Visible (optical)	Violet Blue Green Yellow Orange Red

Microwaves	W band V band Q band K_a band K band K_u band X band S band C band L band

Radio	EHF SHF UHF VHF HF MF LF VLF ULF SLF ELF

Wavelength types	Microwave Shortwave Medium wave Longwave

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