International Telecommunications Union (ITU) Band Designations

Question 1

ELF (Extremely Low Frequencies)

Answer 1

30-300 Hz

Question 2

VF (Voice Frequencies)

Answer 2

0.3 – 3 kHz

Question 3

30-300 Hz

Answer 3

ELF (Extremely Low Frequency)

Question 4

0.3 - 3kHz

Answer 4

VF (Voice Frequencies)

Question 5

VLF (Very Low Frequencies)

Answer 5

3 – 30 kHz

Question 6

3 – 30 kHz

Answer 6

VLF (Very Low Frequencies)

Question 7

LF (Low Frequencies)

Answer 7

30 – 300 kHz

Question 8

30 – 300 kHz

Answer 8

LF (Low Frequencies)

Question 9

MF (Medium Frequencies)

Answer 9

0.3 – 3 MHz

Question 10

0.3 – 3 MHz

Answer 10

MF (Medium Frequencies)

Question 11

HF (High Frequencies)

Answer 11

3 – 30 MHz

Question 12

3 – 30 MHz

Answer 12

HF (High Frequencies)

Question 13

VHF (Very High Frequencies)

Answer 13

30 – 300 MHz

Question 14

30 – 300 MHz

Answer 14

VHF (Very High Frequencies)

Question 15

UHF (Ultra High Frequencies)

Answer 15

0.3 – 3 GHz

Question 16

0.3 – 3 GHz

Answer 16

UHF (Ultra High Frequencies)

Question 17

SHF (Super High Frequencies)

Answer 17

3 – 30 GHz

Question 18

3 – 30 GHz

Answer 18

SHF (Super High Frequencies)

Question 19

EHF (Extremely High Frequencies)

Answer 19

30 – 300 GHz

Question 20

Infrared

Answer 20

0.3 – 3 THz, 3 – 30 THz, 30 – 300 THz

Question 20

30 – 300 GHz

Answer 20

EHF (Extremely High Frequencies)

Question 21

0.3 – 3 THz, 3 – 30 THz, 30 – 300 THz

Answer 21

Infrared

Question 22

Visible Light

Answer 22

0.3 – 3 PHz

Question 23

0.3 – 3 PHz

Answer 23

Visible Light

Question 24

3 – 30 PHz

Answer 24

Ultraviolet

Question 24

Ultraviolet

Answer 24

3 – 30 PHz

Question 25

X-rays

Answer 25

30 – 300 PHz

Question 26

30 – 300 PHz

Answer 26

X-rays

Question 27

Gamma rays

Answer 27

0.3 – 3 EHz

Question 28

0.3 – 3 EHz

Answer 28

Gamma rays

Question 29

Cosmic rays

Answer 29

3 – 30 EHz

Question 30

3 – 30 EHz

Answer 30

Cosmic rays