@ismyrouterenoug AX1800 would suffice around 600 mbps direct ISP wireless bandwidth. I don't think of this as an overkill considering that you may upgrade your ISP bandwidth in the future. Moreover...

@bufff69 This shouldn't matter but you may consider the following: In terms of heat dissipation I think it would be better with ports to the top. In terms of protecting the ports from dust or...

@BenS2024 You could try changing the wireless settings of the Samsung hotspot like wireless band (use 2.4GHz) or change security level. Use this guide on how to do that (Configure mobile hotspot)...

@garzew You could do that with ER605 (TL-R605) router for example. Go through this thread if your 5G connection is with limited traffic.

@Ayan2127 The setting of the satellite router are copied from the main router and you can't change them.

@SonJim Yes, that's correct. You can see that in the AP mode guide (Case 1) - here. Your LAN1 port is 1000 mbps which is correct as well - no need to change cables. It seems that the issue is...