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The only radios you can use on the CB band in the U.S. are those that are type accepted by the FCC

They will have a plate on the back of the radio that looks like this

It give`s you the FCC ID number and lets you know that it complies with the part 15 rules for CB transceivers.

You are not allowed to modify a type accepted radio in anyway or it voids the type acceptance.

 

 An Amateur radio not only exceeds the power output of a type accepted CB but also frequency range, modes of operation and so on.

So to stay legal, you need a type accepted CB radio.

You may listen to the CB frequency s on any type of radio you like, you just can not transmit on them.

By the way, you CAN use a CB on the Ham bands, you would have to modify the CB to operate on a frequency that is with-in permitted bands that your type of license covers, but this is done all the time.

I have seen CB radio used on Ten meters, 12 meters, even 20 meters after they have been modified..BUT once you mod them to work on another band they are no longer permitted to be used on the CB band.

That is one of the fundamental differences between CB and Ham radio.

On CB you must use the radio as it is sold and can not modify it.

Ham radios can be modified all you want, in fact you can build your own radio if you like as long as it operates  and you use it with in the class of your license, and the Tech specs comply with the regulations.

73

Jeff