Marios_X wrote @Alexandre. In future scenario the decos will be at access point mode? Rooms will have the option to print on network printer? I don't think it is a good idea to put the main deco...

@moorsider Single Deco P9 will not connect with the rest of M5 Deco mesh over powerline. P9 will not connect to TP-Link AV1000, too. There is another option, which you can actually test before buying...

@Spike666 This is how it should look when 5GHz band is operational on Satellite Deco:

@rhbmcse This is a good idea to place additional unit in the middle. I would recommend going with same model of Deco, which is X50. In case you need to wall or ceiling mount new Deco unit, consider...

@GyanAccessFreak If this is wired daisy chain, with Ethernet cables, you can do that and there will be no loss of speed.

Spike666 wrote As I mentioned in the post, it's connected via ethernet, so it's just tthe wifi for usage, not for connecting the Decos. @Spike666 Then, a final test would be to bring that unit to the...