@BarRo You have the same wifi name on Fritzbox 2.4G and 5G? Try different ones. Also please change the 5G wifi channel to No.36 on Fritzbox. Then try to find 5G wifi again.

@whysoc_ Please share the screenshot of the status page on 860RE. And also the system log on 860RE. What's the model No. of your router? Maybe a picture of the label. Then we can help you.

@tcc That's weird. Please share the model No of your router. And also you could provide a screenshot of the 5G wifi settings on your router. You may need to get help from Tplink, and I believe they...

@Yairkoren88 Normally, there is no necessary to manually disable the DHCP server on RE200, once it connect to your router and detect the DHCP server on your router, then it will turn off its own...

@tcc Normally, 5G wifi have shorter coverage than 2.4G Wifi. According to the screeshort you provided, RE450 2.4G is connecting to your router but not 5G, then maybe the position RE450 is located...

@Samira Please provide a full screenshot of 850RE, then we can help you with this. There are important information in that page, I think. Also, please share your router information too, such as the...