having really bad wifi speed I try to stop power management but still, it works for some time after it's bad again. my other device getting more than 50Mbps but this one gets 0.5Mbps some time 20Mbps. and ping to router Ip is sometimes 1200+ms. I am using a barrier to share a mouse it is unusable most of the time.
lo no wireless extensions.
wwan0 no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"BlueSky" Nickname:"WIFI@REALTEK"
Mode:Managed Frequency:2.437 GHz Access Point: 28:6C:07:DF:7C:EB
Bit Rate:150 Mb/s Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Encryption key:------- Security mode:open
Link Quality=85/100 Signal level=74/100 Noise level=0/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
description: Ethernet interface
physical id: 1
bus info: usb@1:2
logical name: wwan0
capabilities: ethernet physical
configuration: broadcast=yes driver=cdc_mbim driverversion=5.11.0-37-generic firmware=CDC MBIM link=no multicast=yes
description: Wireless interface
physical id: 2
logical name: wlan0
capabilities: ethernet physical wireless
configuration: broadcast=yes driver=rtl8723bs driverversion=5.11.0-37-generic ip=192.168.11.193 multicast=yes wireless=IEEE 802.11bgn
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.