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VHF is in the range 30 to 300 MHz.
A walkie-talkie refers to a portable radio. VHF range is usually 136 to 172 mhz and a portable will pick up if tuned to this range.
VHF - Very high frequency
Hey, do you know what omnidirectional means?
"Omnidirectional" is an adjective. It describes something that extends in all directions.