Definition that contains 30
- lf 30 to 300 kilohertz
- vhf 30 to 300 megahertz
- mf 300 to 3000 kilohertz
- uhf 300 to 3000 megahertz
- ultrahigh frequency 300 to 3000 megahertz
- medium frequency 300 to 3000 kilohertz
- low frequency 30 to 300 kilohertz
- ehf 30 to 300 gigahertz
- very high frequency 30 to 300 megahertz
- extremely high frequency 30 to 300 gigahertz