I tried some commands like iw list and iwconfig but couldn't see the supported wifi version (b/g/n/ac).

  • Try something from superuser.com/q/679723/334516, maybe. – muru Oct 24 '16 at 2:47
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    @KobiT the stackoverflow network in and of itself is like that - people can downvote but are not required to provide info why. As for your question, I'd say simplest way is to find out the model of the card, and google it's capabilities – Sergiy Kolodyazhnyy Oct 24 '16 at 2:55
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    What wireless card do you have? – negusp Oct 24 '16 at 3:08
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    @KobiT you can find it via lshw -c network command, regardless of whether it's a laptop or desktop – Sergiy Kolodyazhnyy Oct 24 '16 at 3:21
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    @KobiT in your case it's lucky coincidence. if that was different card, you'd still have to google the card and it's capabilities. I'll post answer with my own example in a minute – Sergiy Kolodyazhnyy Oct 24 '16 at 3:25

The simplest way is to find out your card type and search online its capabilities. The command to find your hardware is lshw -c network. In my case, this gives:

       description: Wireless interface
       product: QCA9565 / AR9565 Wireless Network Adapter
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: wlan7
       version: 01
       serial: d0:53:49:3d:53:fd
       width: 64 bits
       clock: 33MHz
       capabilities: bus_master cap_list rom ethernet physical wireless
       configuration: broadcast=yes driver=ath9k driverversion=4.4.0-31-generic firmware=N/A ip= latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
       resources: irq:17 memory:d0700000-d077ffff memory:d0780000-d078ffff
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.

Note, that in your case as shown in comments for your card it's just a lucky coincidence that the card product description shows product: BCM4352 802.11ac Wireless Network Adapter In my example description shows model only.

  • If the product description shows that, it might also show up in lspci, which is usually faster than lshw. – muru Oct 24 '16 at 3:35
  • @muru that can be done , too, I just prefer lshw because -c option allows filtering out specifically what you want. And speed . . . meh, it's not like it needs to be instant, user can wait a few seconds – Sergiy Kolodyazhnyy Oct 24 '16 at 3:44

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