@Solla-topee I haven't set a static ip on the ps4. the encryption mode is probably WPA2. both bands will not connect to the ps4 and have the same issue. the connection with an Ethernet cable works,...

I have purchased a RE450 range extender recently. After setting it up I've tried to connect my ps4 to the RE450 network and it showed the next error "cant connect to the WiFi network within the time...