@ArcherC8 Thanks for replying. I have further searched online fter I submitted this post. I found the following comparison table: https://www.tp-link.com/ro/support/faq/465/ It seems that the router...

I am using two cables, a 3m cat5 and a 2m cat5e, to connect between my computer, the router TL-WR1043ND and the modem. If I connect my computer directly to the modem, I could reach ~800 Mbps for both...