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You are here: Home / Blog / CB Radio Frequencies and CB Channels : Everything You Need to Know

CB Radio Frequencies and CB Channels : Everything You Need to Know

January 1, 2019 by Wayne 1 Comment

Last Updated on January 1, 2019 by Wayne

Even a first-grade student knows that CB radios use 40 channels for communication. Since all the channels operate in the different frequency range, it is important to talk about CB channels and CB frequencies for proper radio usage. By the time you finish reading this article, you’ll be able to answer some of the most common questions like

“What CB Radio channel do most of the truckers use?”

“What is the maximum CB radio frequency range and why?”

For the case of simplification, the CB frequency range spectrum has been divided into 40 parts that make 40 CB Radio channels. Each channel has its fixed purpose, advising you to use the one you need. To not tune in to other channels accidentally, disrupting its purpose, let us study all the important aspects related to CB radio frequencies.

Understanding CB radio frequencies and CB Channels is must for proper usage of CB radio. Read this article to know more on this

Table of Contents

    • 0.1 Let’s Understand Frequency First
  • 1 CB Radio Frequencies Chart
  • 2 Purpose of CB Radio Channels
    • 2.1 Emergency Channels in CB Radio
    • 2.2 What CB Channel do Truckers Use?
    • 2.3 Other Channels
  • 3 Illegal Frequency – Yeah, it Exists
  • 4 Bootleg Frequency
  • 5 Understanding Freebanding
    • 5.1 Reasons for Illegalizing Freebanding
    • 5.2 How is Freebanding Possible?
    • 5.3 The outcome of Freebanding
  • 6 Things to note
  • 7 Conclusion

Let’s Understand Frequency First

Before going deep into the main topic, I think it will be a good idea to understand frequency first!

Did you ever get stuck in a limbo trying to figure out what is that hype about the frequency in radios? Well, we’ve been there too. Transmission of signals require a medium and Frequency is just wavebands at which this happens.

Now, we have different channels that are responsible for acting as a gate to their chosen frequencies. Since different channels use different frequencies, whatever you communicate over this channel cannot be heard on other because of the difference in the frequency of the transmitted signal.

CB Radio Frequencies Chart

This is the most important section of this article.Before proceeding to doubts and explanation, let’s look at the chart that addresses frequency distribution according to the channels and the channels’ use.

All the channels authorized for CB are ‘Open for all’. Everyone is allowed to access these if that particular channel either lie in their domain or tuning to that channel is important.

ChannelFrequencyChannelFrequency
126.965 MHz2127.215 MHz
226.975 MHz2227.225 MHz
326.985 MHz2327.255 MHz
427.005 MHz2427.235 MHz
527.015 MHz2527.245 MHz
627.025 MHz2627.265 MHz
727.035 MHz2727.275 MHz
827.055 MHz2827.285 MHz
927.065 MHz2927.295 MHz
1027.075 MHz3027.305 MHz
1127.085 MHz3127.315 MHz
1227.105 MHz3227.325 MHz
1327.115 MHz3327.335 MHz
1427.125 MHz3427.345 MHz
1527.135 MHz3527.355 MHz
1627.155 MHz3627.365 MHz
1727.165 MHz3727.375 MHz
1827.175 MHz3827.385 MHz
1927.185 MHz3927.395 MHz
2027.205 MHz4027.405 MHz

Purpose of CB Radio Channels

In this section, we’ve tried to outline the purpose of most of the channels. CB radios are not necessarily bought as toys or for reenacting famous movie cop-thug chasing scenes. CB radios are used by professionals too, such as truck drivers to keep updated about anything related to their field.

This has been the backbone of the initiation of creating separate channels for drivers, emergency or business. Let’s take a look at some of these.

Emergency Channels in CB Radio

CB radios provide emergency channels so that you do not get stuck somewhere out of rescuer’s reach. Most often we meet the dark side of fate when we forget our mobile phones at home. With CB radio providing an emergency channel, you can take this worry out of your mind and travel with ease.

Channel 09 of your CB radio is for emergency. It is monitored by different emergency services.

What CB Channel do Truckers Use?

An in depth article on CB Radio Channels and CB Radio frequencies where everything on CB Radio is explained. CB Radio Frequency range is also explained hereAs we’ve already hinted, there is a separate channel for truck drivers. Channel 19 serves this purpose and can also be called as General Highway Channel. This channel is still useful even if we live in the era that is booming with a mobile phone and smartphone technologies.

Since we’re already familiar with road and traffic rules that includes cell phone usage while driving, we can guess why CB radios are still in fashion. Channel 19 helps truck drivers in communicating with each other. The communication may comprise of many elements ranging from information regarding road conditions, speed traps, and other travel information.

Other Channels

Channel 16 and channels 36 to 40 are also for SSB with channel 38 being for LSB too. Channel 21 and Channel 10 are for regional road whereas channel 17 is for North/South traffic. CB channel 13 and 14 are for Marine, RV and walkie-talkie respectively.

Illegal Frequency – Yeah, it Exists

To avoid the fine proposed by FCC, you need to understand a key aspect. The frequencies higher than 28,000 MHz are illegal. These frequencies do not lie in channels of CB radios and are for licensed Amateur Radio/ ham Operators. They use Morse code technique and so, if you’re able to illegally obtain that much frequency, you’ll get under the focus of official observers.

Therefore, it’s necessary for you to stay in the 40 channels provided for CB users and not be overwhelmed if you are able to achieve higher frequency illegally.

Bootleg Frequency

CB radios can be modified for using it in Amateur Radio’s 10-meter range. However, doing so is only legal when it comes to licensed operators. CB radios that are approved for use in united states are marked as “FCC Approved”.

Everyone including ham operators is required to use FCC approved CB radios for all 40 channels. They are more difficult to modify than a non-approved one.

Understanding Freebanding

Freebanding (also known as out banding) on different frequencies or channels means illegally using these frequencies or channels within the 11-meter frequency (outside of permissible CB radio frequency range).  In simpler words, it means using channels (frequencies) that fall outside the usual CB channels.

Most of these channels are “private” channels that can only be used by authorized persons or those that have a license. Even then, these strict prohibition and license requirement didn’t scare people enough to stop creeping into these channels.

Unauthorized frequencies involve international call frequencies which are 27.555 and 26.285. International call frequencies are created to run a joint for long-distance operators for carrying out the calls from other stations. This joint is not made for conversation and so, doesn’t favor illegal interruption.

However, on those frequencies, you’ll be allowed to listen but once you try to talk, you will be considered as an intruder. You’ll be under the radar of FCC which then hunts down the person illegally using channels and fine them.

Reasons for Illegalizing Freebanding

Like many of us, you may also be wondering why ‘Freebanding’ has been tagged as illegal when it looks like something worth drooling over. Well, we have the answer!

Following are the two main reasons freebanding comes under illegal elements as by rules and regulations of FCC. They are as follows:

  • Illegal linear amplifiers and transmitters that CB radio users may have bought from their local stores for intruding these channels are poorly constructed. They are responsible for aiding in harmonic distortion on a CB frequency. This results in a disturbance in communication.
  • In case of emergency, many channels must remain open. For this purpose, no disruption can be welcomed.

How is Freebanding Possible?

With a total of 40 standard CB radio channel options available, how is freebanding possible? If someone had asked this, I would’ve considered it as a great question.

It is a human psychology that whatever is termed as illegal or banned, people dig up ways to experience that. Same is the case with freebanding as well. There are most common two ways how people achieve tapping other channels illegally.

  • They buy radios that are designed for export or are not for their country. For example, a person living in the US will have restrictions on a different frequency or channel range. If he uses the radio designed for a different country having different frequency restrictions, he is most likely to tune in to illegal channels.
  • Another way people achieve this is by modifying their amateur radios just to get a glimpse of freebanding.

The outcome of Freebanding

When a person is caught tapping other channels, he will be first notified by the FCC so that he refrains himself from continuing freebanding. However, if he/she continues, he will be charged with fine along with different penalties.

These penalties include confiscation of CB radios, more than $10k fine and suspension of any license in this domain.

So Why Do People Still Go for Freebanding?

Even after these severe penalties, some people still go for freebanding. The reason is that, because of a huge number of CB users, all 40 channels may sometimes become crammed with conversations and signals. This motivates operators to go for frequency out of the allowed limit zone to experience calm platform.

Another reason is that tapping secretly to restricted channel sounds like going for bungee jumping, dangerous and adventurous.

Things to note

Though most of the countries have same CB frequencies as the U.S., there are, however, some differences in frequencies, power levels and modes (e.g. AM, FM, SSB). For this purpose, using gadgets and equipment that are not designed for that country can possibly be proved as illegal.

There are however other rules and regulations too proposed by the law that you need to focus on before you start using the CB radio. These also include giving priority to emergency messages on all channels.

Conclusion

For CB radios, frequencies and channels play an important role and it becomes crucial for you to understand how these work thoroughly to avoid risks and dangers. Before buying CB radio, check if it has been verified by the FCC. Try to avoid freebanding and you’ll be able to go for a perfect long drive, communicating with your friends without getting fined.


Filed Under: Blog Tagged With: CB Range, Channel, Frequency

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  1. Andrew says

    May 4, 2018 at 12:10 am

    I have worked in a transportation company and we had a special channel, can I receive that on a CB radio?

    Reply

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