@Horacio1234 Hi, welcome to the community. the first thing I think of is RE450 might use the same SSID/Wi-Fi name as the main router. You could install Tether APP on your smartphone to edit the...

@JesusCastro Hi, welcome to the community. Are all three Deco X20 solid green? Or just the main Deco that is connected to the ISP modem? if these two satellite Deco X20s haven't been added to the...

@RicardoHR Welcome to the community. Do you have a kit of Deco M5 in both houses? Are they also under the same internet service provider? It is also suggested to have a look at this link: Wi-Fi...

@francisgoca Hi， welcome to the community. So far, Deco does not support separating the 2.4ghz from 5ghz. May I know the model number of the devices in the living room that dropped the connection a...

@John56 Have you tried to manually install the driver in the CD once to see whether it helped: https://static.tp-link.com/resources/document/TG-3468_User_Guide.pdf

@Danielbarra Hi, the main Deco has to be connected to the ISP modem/router via an Ethernet cable. You could look at our range extender: https://www.tp-link.com/en/wifi-extender/ Best regards.