Two-way radio works between the frequencies of 30 MHz (Megahertz) and 1000 MHz, also known as 1 GHz (Gigahertz) . This range of two-way frequencies is divided into two categories: Very High Frequency (VHF) – Range between 30 MHz and 300 MHz. Ultra-High Frequency (UHF) – Range between 300 MHz and 1 GHz.