@MAX007 Yes, you can. This setup will work but you must configure Deco mesh to run in Access Point mode. General questions about Ethernet Backhaul feature on your Deco How to set up Deco to work in...

@Hope62 How to select a preferred signal source on the Deco App If you don't see that option in your Deco app, please share "Update Deco" screenshot from your Deco app.

@AndyHu The only option I can suggest is to bring Satellite Deco and printer together and connect them to each other with Ethernet cable. That's what I have at my house: printer connected to M5 with...

@AlexDeco2023 Are you sure you are not creating new Deco network instead of adding unit to an existent one? Check this document, it might help: Fail to setup the Satellite Deco

@Hope62 Firmware version 1.1.0 for M4 V4 should have that feature. Deco M4(V4) 1.1.0 Version numbering is different for M4 (V4) than for some other Deco models.

@AlexDeco2023 I am assuming you tried to follow this document and without success: How to add an additional unit to your Deco network Quick search for M4 revealed that they are not sold in single...