@ccnaxpired, thank you for your reply. I have scanned the netwerk with my MacBook Pro (mid 2015 model) network scanner and I see other 5ghz network but not mine, also used my iPhone 8 and also...

Model : Hardware Version : Firmware Version : ISP : Hi, Got the following problem with my Archer C3150 V2, and that is that I cannot see my 5ghz band. 2,4 ghz works fine and without any problems....