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Handheld to handheld – about 5 km depending on terrain

Vehicle to vehicle – about 20 km depending on terrain

Vehicle to base – about 30 km depending on terrain

Base to base – about 50 km depending on terrain

Adapted from RedR

There are a wide variety of applications and devices for VHF/UHF radio transmission, including traditional FM radio and broadcast television, GPS devices and mobile phones. VHF/UHF waves can penetrate buildings and other radio transparent structures, but any object will cause some form of interference; though a VHF/UHF radio may work in a building, the signal will be weaker, and the more buildings in the surrounding area the more impacted the signal will be. Dense urban environments may pose a problem for mobile VHF communications.