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3. WiFi Bands and Frequencies

Now I'd like to talk about WiFi Bands. The Band defines what frequencies it uses to broadcast the signal. That means it also defines the Frequency the Client must have to be able to support and use in order to connect to the network.

The most common frequencies in use are 2.4 and 5 Ghz

The most common WiFi Bands are:

  • a uses 5Ghz frequency only
  • b,g both use 2.4Ghz frequency only
  • n uses 5 and 2.4 Ghz frequency
  • ac usesfrequencies lower than 6 Ghz
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