Very high frequency (VHF) radio signals occupy the lower end of the radio frequency spectrum. A vhf marine radio for outdoor use depending on he kid of results that you would like to get.
Other uses include; golf courses, outdoor security, grounds maintenance workers, open fields, etc. Their longer wavelength signals can travel further compared to UHF signals. Here are the benefits of VHF radios:
VHF radio has higher frequencies which means you can send far more data in less time. There is less interference from background radiation like an electrical system interfering with wireless phone reception.