@Synfalle This will not work, because Deco X50-PoE does not support EasyMesh. See TP-Link Deco Mesh vs EasyMesh vs OneMesh vs Omada Mesh What's the Difference?

@Davecuthbert Try adding X10 with blinking blue light manually to your Deco mesh: How to add an additional unit to your Deco network

@N1XKP Take Deco E4 units back to the house, place near Main Deco and let them connect to Main Deco over WiFi (do not wire them). If they do connect over WiFi, in Deco app check for each Satellite E4...

@Christoffer_L Yes, you can use them separately. Deco M5 hardware is identical for all units in 3-unit pack.

@willboth If I understand you correctly, all cameras connect to Sync Module, which in turn connects to Deco mesh. Then, you should see Sync Module in Deco app, and I am not sure what I can help you...

@willboth To better assist you with recommendations, please provide the following info: 1. Does router have WiFi? 2. Do you keep WiFi enabled on router? 3. If yes for 1 and 2, did you configure Deco...