Frequency bands and their applications

Frequency bands and their applications

The radio frequency spectrum

Frequency

Wavelength

Band name

Applications

< 3 Hz

> 100.000 km

   

3 - 30 Hz

100.000 km - 10.000 km

Super low frequency - SLF

Communication with submarines

30 - 300 Hz

10.000 km - 1000 km

Ultra low frequency - ULF

Communication in mines

50 Hz

6000 km

Alternating current

Powersupply

0-10 kHz

30 km

 

Telegraphy

0,3 - 3 kHz

1000 km - 100 km

Extremely low frequency - ELF

Communication with submarines

3 - 30 kHz

100 km - 10 km

Very low frequency - VLF

Military communications, wireless heartmonitors

16 kHz - 20 kHz

18750 km

Soundfrequency

Music, speech

30 - 300 kHz

10 km - 1 km

Low frequency - LF

Navigation, timesignals, AM-longwavetransmissions

0,3 - 3 MHz

1000 m - 100 m

Medium frequency - MF

AM - transmissions (midwave)

3 - 30 MHz

100 m - 10 m

High frequency - HF

Shortwavetransmissions and amatureradio

26,9 - 27,2 MHz

11 m

ISM-band

Remotecontrols with transmissionpower < 10mW

30 - 300 MHz

10 m - 1 m

Very high frequency - VHF

FM-radio and television broadcasts

40,6 - 40,7 MHz

7,4 m

ISM-band

Remotecontrols with transmissionpower < 10mW

174 - 223 MHz

1,7 - 1,3 m

Very high frequency - VHF

Television

300 - 3000 MHz

10 - 0,1 m

Decimeterwave

Television, broadcasts

433,05 - 434,79 MHz

69,3 - 68,9 cm

ISM-band

Remotecontrols and headphones with transmissionpower < 10mW

868 MHz

34,6 cm

ISM-band

ISM remotecontrols, duration of transmittion limited

0,3 GHz - 3 GHz

1 m - 10 cm

Ultra high frequency - UHF

Television broadcasts, cellphones, Bluetooth

3 - 30 GHz

10 cm - 1 cm

Super high frequency - SHF

Microwaves, cellphones (W-CDMA), WLAN, radar

30 - 300 GHz

10 cm - 1 mm

Extremely high frequency - EHF

Radioastronomy securityscan (Schiphol airport)

> 300 GHz

< 1 mm