TL-WR840N only supports 2.4GHz Wi-Fi netwrok and T1U only supports 5GHz Wi-Fi network. Therefore, it can't detect the Wi-Fi signal from the router. You need to get another wireless adatper which also...

forget the network and connect it again? Or restart range extender and MacBook?

connect pc or laptop to RE200 by ethernet connection. With wired connection, can you get internet?

CelticStar wrote Anyone figure out a solution? Support can you please let us know whether you intend to address the problem? Disconnection issue with RE450? latest firmware? tried a fixed channel on...

Nuraang wrote Hi Bowen98 and thanks for your answer. It seems the problem may be related to the MacOS system, since my flatmate is using Windows and he had no problem at all (meaning the password is...

Does your old router have the same issue? Or it worked properly in the same situation?