@Solla-topee OK, I understood it now. Thank you. But I believe that the option should be exposed in the GUI. Otherwise, if I switched to 802.11ac mode, then there would be no way to go back to...

@Solla-topee Unfortunately, since I didn't get any answer from TP-Link, I had to return the device to the seller and buy another model from another brand. Solla-topee wrote And after checking with...

@pbalaye I hope it's just a silly bug, and not a hardware limitation. It would be interesting to know which chipset is used by the RE505X. Anyone from the staff of TP-Link has a solution to this?...

Has anyone a clue about whether it's a hardware limitation or intentional? Thank you.

@gorisrael OK, I've logged-in in the AP using my TP-Link Clud account. Then, I've installed the TP-Link Tether app in my mobile phone. But, unfortunately, it only allows me to set some basic features...

@gorisrael Thank you for your answer. I've configured the AP using the web interface of the device. I've not tried TP-Link Cloud yet, because I don't trust having a "middle-man" to manage my network....