@Axicee With the controller updated to the proper version, it's within the Device's Config settings (assuming your AP is compatible with it). Device Settings > Config > Radios The emulator version is...

@Axicee It looks like your Controller Version doesn't support setting a channel range for the AP (only setting one specific channel for the radio). You will need to update the controller version to...

What is Interference Detection? Intereference detection is a feature that helps identify and analyze sources of Wi-Fi interference within your network environment. By scanning the surrounding...

@Sapphire-One Unfortunately, it does not appear Essentials is available in your region just yet. Please check the newsletter for any updates on if that changes. TP-Link News - Press Releases -...

@AliReza_A Have you fully updated the firmware across your routers and switches? Also, if you can share your network topology, that would be great.

@RemyH If the device is still under warranty, you can get replacement antennas through the support email. Please contact the support for your region here.