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So Exactly What is the Difference?

Submitted by: Jeff C Thorson

Over the past few years the line between traditional CB radio and 10 meter radio has become blurred. Phrases like '10 meter CB radio' and 'export CB radio' have irrevocably woven themselves into the amateur radio and CB radio vocabulary. Despite widespread use of both technologies many users have no idea what the real differences are.

A traditional CB radio operates on the 11 meter band at about 27mhz. This gives it 40 channels ranging from 26.965mhz on channel 1 to 27.405mhz on channel 40. The distinctive characteristic of CB radio is that access to these frequencies is unrestricted by the FCC and available to anyone. Thus the term 'Citizens Band'. However although access is unrestricted, use of these frequencies is another matter. Users are required to adhere to certain codes of conduct and severe hardware limitations. By FCC rule no CB radio transmitter may exceed 4 watts of transmitting power. A smart operator may use a high quality antenna to 'get out' further but increasing output by almost any other means is prohibited.

By contrast 10 meter radio access is restricted but the allowable hardware is not as limited. 10 meter radios operate on frequencies ranging from 28mhz to 29.7mhz. To access 10 meter radio frequencies you are required to obtain an amateur or 'ham' radio license from the FCC. Such licenses are relatively easy to get and usually free of charge. Certain 10 meter radios also operate on FM radio frequencies which will require more advanced licensing. The hardware involved in 10 meter radio can be quite impressive. Unlike CB radio the FCC considers the 10 meter band acceptable for long range communication, several radios offer over 100 times the transmitting power of a traditional CB radio.

So why has the line between the two become blurred? Many CB radio operators dislike the severe restrictions placed on CB radio power output. Manufacturers responding to the desire for more power have produced 10 meter radios that look and operate exactly like a traditional CB radio and are easily modified to operate on CB radio frequencies. These modifications are probably what both the manufacturer and operator have in mind when it is purchased. It is important to note that such modifications are against FCC regulations and can lead to serious penalties.

The term 'export radio' is also used to refer to these new CB radio hybrid style 10 meter radios. The catch is that these radios are technically only supposed to be marketed for export use only. Most other countries do not have such severe restrictions on transmitting power as does the United States.

Although a significant portion of the CB radio community wants new regulations to allow for greater transmitting power, the FCC is very unlikely to change its policy anytime soon. The FCC regards CB radio as a short range communication device and does not want high powered long range transmissions interrupting local communications. This viewpoint will almost certainly preclude any change in policy any time in the near future.

About the Author: You can follow all the latest 10 meter radio and CB radio news on our blog. Thor's CB Radio Blog will keep you informed on all the news you need to know.

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