Frequency specifications.
Channels
Standard system: PLL Synthesized.
Legal USA band: 40 channels, 26.965MHz - 27.405MHz.
Legal UK only band: 40 channels, 27.60125MHz - 27.99125MHz.
Legal European band: 40 channels, 26.965MHz - 27.405MHz.
Legal UK dual band: 80 channels, 26.965MHz - 27.405MHz,
27.60125MHz to 27.99125MHz.
Frequency deviation
For countries where FM is used, the maximum level is set by law. CB radios must be
within the limit to be allowed for sale.
Frequency range
Legal USA band: 26.965MHz - 27.405MHz.
Legal UK only band: 27.60125MHz - 27.99125MHz.
Legal European band: 26.965MHz - 27.405MHz.
Legal UK dual band: 26.965MHz - 27.405MHz and 27.60125MHz to 27.99125MHz.
Frequency response
A wider range is better.
Typical: 500Hz to 2.5KHz.
Frequency tolerance
A lower percentage is better. The maximum is usually set by law, and manufacturers
must meet that standard to have a CB radio approved for sale.
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