Frequency Hopping Spread Spectrum (FHSS)

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FHSS uses a narrow frequency band and 'hops' data signals in

a predictable sequence from frequency to frequency over a wide band of

frequencies.

Because

FHSS shifts automatically between frequencies, it can avoid interference

that may be on a single frequency.

Hopping between frequencies also increases

transmission security by making eavesdropping and data capture more difficult.