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Is there a command that can help me get the 802.11 standard used by a router.

PS : My OS is Linux (Ubuntu).

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Run sudo iw dev INTERFACE scan to figure out the used protocol. (requires kernel >=3.0)

If you don't have it then install it with sudo apt-get install iw

This answer over on Stack Exchange Unix explains how to determine what standard is being used.

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  • You'll have to pick out the correct SSID from all nearby WiFi access points, or go iw dev INTERFACE scan ssid SSID. – vonbrand Jan 30 '16 at 22:01
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Is there a command that can help me get the 802.11 standard used by a router.

It depends:

  • The normal way would be to log into the accesspoint and check the capabilities on the device itself.
  • Failing that you could check with which standard you are connected o the WAP (assing you have wireless in your system). See Jesse's answer.
  • With no connection but with a wireless NIC installed you might be able to eavesdrop in what is send though the air. Essentially snif on the communication of what is actually used.
  • And lastly, you could alway read the documentation for the WAP.

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