The animated TECHTip Tutorial is available here.

Zigbee uses DSSS [Direct Sequence Spread Spectrum], which divides the 2.402 - 2.480 GHz [Giga Hertz] spectrum into 16 channels or 10 channels in the 915 MHz [Mega Hertz] spectrum and 1 channel in the European 868 MHz spectrum.

Wi-Fi uses DSSS, creating 11 channels. Bluetooth uses FHSS [Frequency Hopping Spread Spectrum], which divides the frequency band into 79 channels.

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