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What is the difference between UHF & VHF

VHF (Very High Frequency) & UHF (Ultra High Frequency) are the common types of frequencies used when supplying two-way radios, there are pros and cons to each which we have highlighted the differences below.

UHF ranges from 403-470MHZ

UHF is better for indoor use (Buildings Inner City)

VHF ranges 136-174MHZ

VHF is better for outdoor (Marine at sea)

Expert Advice

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UHF Radios

UHF (403-470MHZ)

UHF (ultra-high frequency) signals operate between  403-470MHZ, these high frequencies make UHF radios popular with indoor, inner-city, and building use as it allows the penetration of walls and high structures with multiple floors.

UHF radios usually come with a short stubby antenna so they can fit comfortably on the belt or chest of the user and provide a more compact form factor.

  • A popular choice for buildings, city and indoor use
  • Penetrates concrete and walls easily 
  • Compact antenna options
  • Most common frequency used
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VHF (136-174MHZ)

VHF (very-high frequency) signals operate between  136-174MHZ, having a long wavelength enables VHF radios to range in greater distances than UHF, however VHF frequencies cannot penetrate walls and concrete as easily so are mainly used in outdoor environments such as marine, aviation and flat land over a wide area. 

VHF radios come as a two-way handheld radio but also as mobile desk radios pictured, which is a popular choice for marine vessels and in aircraft cabins. 

  • A popular choice for ourdoor use (at sea and air)
  • Can reach long distances over flat land
  • Mobile and external mast antenna options 
  • Most common  with marine and aviation 
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