I wonder if Realtek switch is problematic over here, did you do speed test on wifi with laptop connected to wifi? Rogers is providing the speed so it seems it is between modem and devices.
Oh okay, so let work with what we have. In one of your post you mentioned about using cell phone and getting 300+ in speed test. Can you do speed test on your laptop and cell phone simultaneously and see if it get close to speed you subscribed. I wan...
In future please do post entire table including OFDM channel and upload. Since you getting 350 to 450 on wifi, doesn't see likely that is issue. I am thinking issue is with negotiation of speeds between devices, can you try different wired device?
Yes, regarding upload on rogers network it is still on DOCSIS 3.0, which limit upload to 200 Mbps for entire neighborhood or for everyone who is sharing same cable modem termination system. In comparison downstream is running on 3.1 which allow 10 Gb...