WIFI Bands

• Decides the frequency range that can be used.
• Determines the channel that can be used.
• Clients need to support band used by the router to communicate with it.
• Data can be sniffed from a certain band if the wireless adapter used supports that band.
• Most common WiFi bands are
  • a uses 5 GHz frequency only
  • b,g both uses 2.4Ghz frequency only
  • n uses 5GHz and 2.4GHz.
  • ac uses frequencies lower than 6GHz