I've been experiencing a very poor connection recently with the 5G broadband. Here attached are the speed test results.
Also can check this link https://www.speedtest.net/result/14738302508 .
Could it be the problem of the router?
We'll help you improve the service speed. Is this your speed test result via WIFI? Do you have a wired connection where you can also check the speed, so we can see the difference? When you tested the speed, are you connected to 2.4 or 5Ghz on the WIFI?