Cb Radio Range

CB radio range is one of the main concerns for CB radio operators today, especially since most non-vehicular CB radio operators use CB radio to communicate with others outside of the immediate area. CB radio range is a key thing to consider when purchasing and using a radio set - and is also something you should know from a legal standpoint. This article will cover CB radio range, how to increase it, and what the laws are in the United States.

CB Radio Range in a shortwave radio system is determined by two things:

1.Radio power
2.Radio wavelength

The best way to increase the range on a CB radio unit is to increase the power. The more power that is behind a signal, the farther it can emit before it dissipates. You can increase the power of a station up to a certain point without size limitations, but transmitting long distances reliably requires an amount of power that needs a substantial energy source behind it (i.e. with a major radio station).

CB radio range, though, is limited by the Federal Communications Commission to prevent issues of interference. The electromagnetic spectrum is limited, and there is only so much space that can be used for broadcasting various signals through the air before they start interfering with each other. Therefore, the FCC classified sections of the EM spectrum to particular purposes.

CB radio is now limited to the 11-meter band, or, frequencies in the 27 Mhz range. Transmissions are also limited to 150 miles, in order to limit the amount of interference between CB radio transmissions and other signals (such as amateur radio, commercial broadcast, emergency broadcast, etc.). To do this, the FCC limits CB radios to having a 4-watt power capacity.

A CB radio linear amplifier increases CB radio range by upping the amount of power that goes to a transmitter. Your typical amplifier increases the wattage from 4 watts to 10-12 watts, giving the CB radio the capability to transmit signals even farther. (Note that increasing power does not affect which signals can be received. Receivers on a CB radio are passive and intercept signals as they are detected.)

The big thing to note about CB radio range is that it will vary depending on the unit you have. A mobile, car-mounted CB radio unit will not have a very long range; usually it is limited to other vehicles along the same general stretch of road in a particular area. A base station, though, is usually capable of transmitting with a much longer CB radio range.

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