@Kevin_Z , yes that's correct. RE305 V3 is not able to connect to the secured 5GHz network alone on the host router. Connecting to secure 2GHZ network or connecting to open/unsecure 5GHZ on the same...

My host router from ISP Ziggo in Netherlands and the issue with RE305 v3 is only with connecting to the 5GHz host network on a secured mode. I changed the host router security settings between...