What is UHF radio used for?

They are used for television broadcasting, cell phones, satellite communication including GPS, personal radio services including Wi-Fi and Bluetooth, walkie-talkies, cordless phones, satellite phones, and numerous other applications. The IEEE defines the UHF radar band as frequencies between 300 MHz and 1 GHz.

What can you do with a UHF radio?

UHF (Ultra high frequency) radios are a commonplace accessory that the vast majority of 4WDers use for general convoy driving and scanning on highways.

What is better UHF or VHF radio?

VHF has smaller frequencies which means interference with other radios is common. UHF, on the other hand, is an all-around better signal for long distance communication. UHF is better when using radios for indoor use like buildings or around cities.

What is VHF and UHF used for?

Radios with lower frequencies (VHF) have longer wavelengths, making them ideal for work across wide areas free from obstruction, as well as outdoor use. UHF radios operate at a higher frequency, which is ideally suited for wireless communications that need to penetrate buildings, walls, concrete, or other barriers.

What is the range of UHF radio?

Add obstructions or interference, and most UHF two-way radios have a realistic range of between 1 to 4 miles.

Understanding UHF Radios

Are UHF radios legal?

It's not illegal to use a UHF or CB radio while driving

And people are becoming concerned. They needn't be, the laws around this stuff are pretty clear cut and that is that you can use a UHF or CB radio while driving… as long as you're still considered to be in proper control of your vehicle.

How far will a UHF transmit?

Since UHF transmission is limited by the visual horizon to 30–40 miles (48–64 km) and usually to shorter distances by local terrain, it allows the same frequency channels to be reused by other users in neighboring geographic areas (frequency reuse).

Do police use UHF or VHF?

Police radios operate in a 700/800 MHz UHF band. This gives them a considerable amount of range which is pretty good in urban areas. The P25 radio systems give an improved range for officers.

Which is stronger UHF or VHF?

UHF is the better all around signal and is by far the most popular, so if you are in doubt, choose UHF. UHF signals don't travel quite as far outdoors as VHF signals, but they do a better job of penetrating wood, steel, and concrete, giving you better range and performance in urban environments and around buildings.

Why is UHF better than VHF?

UHF Radio Advantages

In general, UHF radios are better for indoor use because their wavelengths are shorter and better able to penetrate through steel and concrete. UHF radios broadcast at between 300 MHz and 3 GHz. VHF radio signals tend to degrade more than UHF signals indoors.

What travels farther VHF or UHF?

VHF radio signals are on the low end of the frequency scale when compared to UHF. Although, VHF signal wavelength is longer, allowing it to travel farther than UHF.

Do UHF channels still exist?

These issues are greatly reduced with digital television, and today most over-the-air broadcasts take place on UHF, while VHF channels are being retired.

How far can a 5 watt UHF radio transmit?

So according to our rule-of-thumb, 2 people around 6 feet tall using a 5 watt handheld two-way radio, used on flat ground with no obstacles, will have a maximum range of approximately 6 miles.

What channels can I use on UHF?

UHF Channels

Channels 1-8 and 41-48: Duplex channels (output). Channels 31-38 and 71-78: Duplex channels (input). Channels 5 and 35: Duplex channels strictly used for emergency communications. Channels 9, 12-17, 19-21 24-28, 30, 39, 49-60, 64-70, 79 and 80: General chat channels, simplex use.

What is the difference between a CB radio and a UHF radio?

There is nothing between CB and UHF radios. CB is UHF there is 3 bands for radios VHF,UHF,AM. The only difference is that the railways use set channels that they hold the transmit rights for the same as the Police, CFA, SES & Ambo's. Its the same thing.

What type of radio do truckers use?

The CB, or Citizens Band radio has been around since the 1940s. The wattage, licensing requirements and other characteristics have changed. Also, the amount of available channels has grown from 23 to 40. Even with modern technology, most truckers still have a CB radio in their truck.

What 2 Way radio has the longest range?

1. Motorola T470 2-Way Radios. The T470 is a powerful option from Motorola; it boasts an up to a 35-mile range, and it has 22 channels and 121 privacy codes to more easily stay in touch with your party.

Who uses VHF?

VHF signals are widely employed for television and radio transmissions. In the United States and Canada, television stations that broadcast on channels 2 through 13 use VHF frequencies, as do FM radio stations. Many amateur radio operators also transmit on frequencies within the VHF band.

What frequency is walkie-talkies?

Two-way radios (or walkie-talkies) generally operate in the 136 MHz to 900 MHz frequency range, as defined by the FCC. This is an overview of the various services and bands of frequencies.

Is it illegal to use a two way radio while driving?

The short answer to this is yes, taxi drivers can legally use their two way radio while driving, but you can still be pulled over and prosecuted if the police believe that using a radio has distracted you or impaired your driving.

Can police track walkie-talkie?

2 way radios are difficult to trace. Two-way radios, also known as walkie-talkies, remain popular even after the advent of cell phones. Police and security forces, the armed forces, event managers, hunters and many others use them. Two-way radios are extremely difficult to trace.

How can I listen to police radio frequencies?

Why does military use UHF?

UHF allows for the transfer of much more information because at the higher frequencies proportionally more information can be multiplexed onto the carrier (transmit frequency).

Do you need an antenna for UHF radio?

All UHF radios transmit best on a line of sight basis, which means that it's important to position an antenna in such a way as to provide maximum coverage.

Why is UHF good?

UHF radios work best for most two-way radio users because the waves are shorter and can get around or penetrate areas of interference, like those found in buildings, thickly wooded or hilly areas, and urban outdoor settings.