6 Replies Latest reply on Feb 1, 2018 12:46 PM by Intel Corporation

    Dual Band Wireless AC 8265 high latency on 802.11g but almost ok on 802.11b

    fablab

      Dear Team,

       

      I have an  ASUS ZenBook UX430UA with a Dual Band Wireless AC 8265 (

      I believe I have the latest driver 20.10.2.2 ) running Windows 10 home.

      I have performance issues.

       

      If I force the network to be 802.11b   ( by going to Properties -> Advanced -> Wireless Mode: 2. 802.11b  )

      I am getting ALMOST  ( see last paragraph ) acceptable pings Max and Average

      (but of course the performance of 802.11b is not  ( 11Mbps)  )

       

          Minimum = 1ms, Maximum = 55ms, Average = 3ms

          Minimum = 2ms, Maximum = 404ms, Average = 13ms

          Minimum = 2ms, Maximum = 47ms, Average = 5ms

          Minimum = 2ms, Maximum = 198ms, Average = 6ms

       

      When I switch back to the default 802.11n: ( by going to Properties -> Advanced -> Wireless Mode: 6. 802.11/a/b/g )

      The Average goes back  up significantly:

          Minimum = 1ms, Maximum = 119ms, Average = 21ms

          Minimum = 1ms, Maximum = 393ms, Average = 22ms

          Minimum = 2ms, Maximum = 149ms, Average = 21ms

          Minimum = 1ms, Maximum = 280ms, Average = 36ms

       

      I don't understand why this network card is not happy to work in 802.11n mode...

       

      Note: doing the same (802.11n) test with an old laptop also 10m away from the router

      with a Qualcomm atheros AR956x card  gives me

      Maximum 74ms Average: 4ms

      Maximum 48ms Average: 3ms

      Maximum 47ms Average: 2ms

      Maximum 56ms Average: 3ms

      Which is much better than the 2 previous sets of test with the Dual Band Wireless AC 8265

       

      Please note that this is a hom.network .

      No downloads taking place during the test. 7 idle devices altogether.

      I am ALSO getting bad ping responses if i connect to a standalone (no internet / no other devices ) old WRT300N ...

      any suggestion?