ITU Radio Bands

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ITU Radio Band Numbers 4 5 6 7 8 9 10 11 ITU Radio Band Symbols ELF SLF ULF VLF LF MF HF VHF UHF SHF EHF NATO Radio bands A B C D E F G H I J K L M IEEE Radar bands HF VHF UHF L S C X Ku K Ka Q V W edit

Provision No. 2.1 of the ITU Radio Regulations states:

2.1 The radio spectrum shall be subdivided into nine frequency bands, which shall be designated by progressive whole numbers in accordance with the following table." ^[1]

These bands are:

Table of ITU Radio Bands

Band Number	Symbols	Frequency Range	Wavelength Range	Typical sources
1	ELF	3 to 30 Hz	10,000 to 100,000 km	deeply-submerged submarine communication
2	SLF	30 to 300 Hz	1000 to 10,000 km	submarine communication, ac power grids
3	ULF	300 to 3 kHz	100 to 1000 km	earth quakes, earth mode communication
4	VLF	3 to 30 kHz	10 to 100 km	near-surface submarine communication,
5	LF	30 to 300 kHz	1 to 10 km	AM broadcasting, aircraft beacons
6	MF	300 to 3000 kHz	100 to 1000 m	AM broadcasting,
7	HF	3 to 30 MHz	10 to 100 m	Skywave long range radio communication
8	VHF	30 to 300 MHz	1 to 10 m	FM radio broadcast, television broadcast, DVB-T, MRI
9	UHF	300 to 3 GHz	10 to 100 cm	microwave oven, television broadcast, GPS, mobile phone communication (GSM, UMTS, 3G, HSDPA), cordless phones (DECT), WLAN (Wi-Fi), Bluetooth
10	SHF	3 to 30 GHz	1 to 10 cm	DBS satellite television broadcasting, WLAN (Wi-Fi), WiMAX, radars
11	EHF	30 to 300 GHz	1 to 10 mm	directed-energy weapon (Active Denial System), Security screening (Millimeter wave scanner), intersatellite links, WiMAX, high resolution radar

[edit] References