How Far Will A 5 Watt VHF Radio Transmit?

Directly, your question of how far will a 5-watt VHF radio transmit is not an ideal question that we may love to answer you shortly, there are so many facts to consider!

Note: People often see ads for VHF radios and the maximum ads say that their radio can cover up to 30-36 miles and even more than that. But in reality, People get frustrated to see the actual range. 

So What’s The Original Range And How Far Will A 5-watt Radio Transmit? 

Well, we can give you a short answer, but our recommendation is to read the entire post to understand some key facts that affect the rage in this way you can be careful about them and fix them.

A VHF radio that has 5 watts of transmit power can reach up to 10-12 miles or more than this, but of course, your weather will play an important role for a better range, if the weather is good, there is a high chance your radio can cover more range!

How Far Will A 5 Watt VHF Radio Transmit read
How Far Will A 5 Watt VHF Radio Transmit read

Although the weather is not the only considerable fact, some of others facts are: 

  • Your battery power
  • Line-of-sight
  • Antenna
  • Weather 

Battery: Your radio’s battery power might be a key fact. When you transmit the signal on the 5 watts, Your battery will run out of charge soon. 

To get the best range from your device, you have to use such a battery that has more power capacity, otherwise, the battery issue might affect the range of your device. 

Line-of-sight: As many people know, the signal of a VHF radio doesn’t bend with the curvature of the earth, and can not progress through obstacles. Marine radio work of the line-of-sight system.

Since all the marine VHF radios are powered by short antennas, so depending on how far away you are from a taller antenna, your radio’s watts will do the job!

Radio’s Antenna: the antennas of a VHF radio play an important role in providing the best coverage in your area. To know the importance of an antenna, first, you have to know the type of antenna. 

There are two common types of antennas, 

  1. Stubby 
  2. and whip

A maximum number of FRS and GMRS radios use the stubby antenna type because it’s easier to put the radio in a backpack or anywhere else! According to our research, a VHF radio with a stubby antenna can decrease the radio’s range by up to 25-30% over a whip antenna. 

So if you need to cover more area, picking a radio with a whip antenna would be the work of an ideal person. 

Weather: Clear weather can help your radio range to reach more areas. So the weather is one of the most important facts to keep in mind when you ask for How Far Will A 5 Watt VHF Radio Transmit. 

Bad weather conditions such as fog, heavy rain, and snow can easily prevent you from connecting with others. So when transmitting a signal, you can notice your current weather condition and send it!

Note: all the marine handheld radios that are available in the current market are fully waterproof and protected from damage from moisture condensation.


How Far Will A 5 Watt VHF Radio Transmit? Answering this question might be one of the tricky jobs because a lot of things might be needed to consider to find the answer. 

The shared post has given you all the information that you need to know about how far your 5-watt radio can go. 

If you have more queries, let us know via the comment box below, we will try to answer your query as soon as we can!