Avoid Consumer Routers
Actually, consumer router running openWRT is quite good[1] or  Asus WIFI router using Merlin firmware[1].<p>[1]<a href="https://openwrt.org/supported_devices" rel="nofollow">https://openwrt.org/supported_devices</a>
[2]<a href="https://www.asuswrt-merlin.net/download" rel="nofollow">https://www.asuswrt-merlin.net/download</a>