So I bought a TP Link RE650 range extender to boost the Wi-Fi signal from a Unitymedia Connect Box around my apartment. The 2.4GHz channel links up perfectly and I can get the signal around the place,

i have a RE360 range extender. when i used the app to set up, it cannot find 5GHz signal from my router even though it is next to it. and my the 5GHz lights is not showingon the range extender. only t