this device is a good return of investment - https://forum.openwrt.org/t/dynalink-dl-wrx36-askey-rt5010w-ipq8074-openwrt-support/ .. i am now using the ax3600 just for low load stuff... and for performance/bandwitdh related this devices
$99 https://www.amazon.com/Dynalink-DL-WRX36-8-Stream-Wireless-3-6Gbps/dp/B096K9SVCT