】 【Weak current college radio wave band Division】.

<br> Band name wavelength range electromagnetic wave name frequency range very long wave 1 × 10-5 m above the extremely low frequency (ELF) <1 extra long wave 3KHz × 10-5 ~ 10 4 m very low frequency (VLF) .3 ~ 30 KHz LW 1 × 10 4 ~ 10 3 m low frequency (LF) 30 to 300 KHz in wave 1 × 10 3 ~ 100m medium frequency (MF) 300 ~ 3000 KHz HF 100 ~ 10m high frequency (HF) 3 ~ .30 MHz FM VHF 10 ~ 1m very high frequency (VHF) 30 ~ 300 MHz decimeter 10 ~ 10-1 m-high frequency (UHF) 300-3000 MHz microwave cm waves 10 ~ 1cm ultra high frequency (SHF) 3 ~ 30 GHz .millimeter wave 10 ~ 1mm very high frequency (EHF) 30-300 GHz.