@IgorCZE > I do not have "Signal source" information in my Deco Android app. I'll tell you where to look for it. These are the steps: 1. in the Deco app click on the globe icon on top of main screen...

@PacoJones You may wish to replace the switch by different brand. See this forum topic, post #472 and then scroll up to post #471 if you need recommendations how to pinpoint where the issue is: How...

@IgorCZE I run Deco in Access Point mode and my home network is set similarly to yours, specifically: ISP <--> switch <--> Main Deco, Satellite Deco 1, PC, Printer, Smart TV ISP <--> Satellite Deco2...

@Kim-deco I wish you would have started separate forum topic, but we can continue here. With any WiFi mesh, such as Deco, an important part is proper placement of satellite nodes. We can start with...

@b00rdly Thinking about that from the other angle. You may wish to contact iRobot Support with that issue. I've been on Deco forum for about a year, can't recall anyone raising an issue with Roomba...

@b00rdly Does not look like ports issue. Have you enabled UPNP in Deco as recommended by @ImtiazAli ? Other than that, if you have Main Deco connected to ISP router, it would make sense to test...