I just read the whole tread at Xiaomi MiWifi mini wireless signal question
@psyborg According to @coldfire7, your changes created a pretty impressive improvement. From Xiaomi MiWifi mini wireless signal question to Xiaomi MiWifi mini wireless signal question
@coldfire7 Did you use the images posted by @psyborg in https://forum.openwrt.org/viewtopic.php?pid=349582#p349582 111 to achieve those improvements?
By the way, the link is not available anymore 