Well..found the problem though, the problem is because of the 5Ghz channel. It keep selecting channel with most congestion (157, 149, etc), so i can't reach maximum speed. How do i know that? Because...

@FC-link Hello, how do you manage to get a selection like that?

@Alexandre. Hello sir, thanks for your advice. I tried it, but it doesn't seems to solve the problem. I tried to change every setting, even reconstruct the network from scratch. Doesn't seem to solve...

Hello everyone, Recently I've just changed my ISP and get a better one at 200Mbps package. Knowing that my old Deco E4 doesn't have gigabit ethernet backhaul, i decided to buy a new Deco S7 just...