Maybe Poe switch with 8 port is better.

Make sure that you install the client certificate on your local computer. And the root certificate you created is also installed in the trusted root store.

Check your firewall settings. Or use another IP address. lol

Open command console and check output of IP config

What IP address is showing.

I have never used the mikroTik. So want to know, does it have a function like Parental Control?

How far do you want to extend? What is your requirement for WIFI speed?

What device you lost wireless signal?

I prefer the type that could work as a charger for my smart devices.

What type of switch running what version of code?

Maybe your firewall or Antivitrus denies hotspot access, check them.

Have you ever upgraded your IOS?

Maybe you can upgrade your firmware, or reset your device.

For me, the router's price is very attractive.