Slow 5G network

Hello. I have a Linksys Archer C7 v4 router and the 5G wifi network speed is very slow. I should be getting up in the 400Mbps download, but it test at a steady 60Mbps. These are my settings.


Hostname ac1750
Model TP-Link Archer C7 v4
Architecture Qualcomm Atheros QCA956X ver 1 rev 0
Target Platform ath79/generic
Firmware Version OpenWrt 22.03.3 r20028-43d71ad93e / LuCI openwrt-22.03 branch git-22.361.69894-438c598
Kernel Version 5.10.161