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Subject: Re: Realtek r8822be kernel module does not negotiate 802.11ac
 connection
To:     "David R. Bergstein" <david.r.bergstein@gmail.com>,
        Tony Chuang <yhchuang@realtek.com>
Cc:     Pkshih <pkshih@realtek.com>,
        "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
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From:   Larry Finger <Larry.Finger@lwfinger.net>
Message-ID: <c64c435c-fda7-9356-0205-093182fb1398@lwfinger.net>
Date:   Sat, 2 Mar 2019 11:58:57 -0600
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On 3/1/19 9:52 PM, David R. Bergstein wrote:
> Larry,
> 
> Sorry about all these extra replies.  Shortly after I sent my last
> message my access point started recognizing the connection as 802.11ac
> with PHY Rate / Modulation Rate of 866.6 Mbps.  What is somewhat
> misleading is the information reported by iwconfig (see bit rate below).
> 
> $ iwconfig wlo1
> wlo1      IEEE 802.11  ESSID:"XXXXXXXXXX-5G"
>            Mode:Managed  Frequency:5.22 GHz  Access Point:
> xx:xx:xx:xx:xx:xx
>            Bit Rate=6.5 Mb/s   Tx-Power=23 dBm
>            Retry short limit:7   RTS thr:off   Fragment thr:off
>            Power Management:on
>            Link Quality=70/70  Signal level=-40 dBm
>            Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>            Tx excessive retries:0  Invalid misc:11   Missed beacon:0

The utility iwconfig is obsolete and not exactly up to date with the latest in 
wireless. I am not an expert on iw, but I think you want 'iw dev wlo1 link'.

I am wondering about the missing firmware stage. Had you not done the 'sudo make 
install' step, or did that step fail to install the firmware?

Larry