Hi @dulu , thank you for responding. My mesh network is an Mercusys Halo S12 AC1200, so part of the wider TP family. I think I'd be better off just buying another of those mesh cubes, I didn't clock...

Just bought a TP link extender for my kids room and it's working fine, quite pleased with it actually. However it seems to have upset my existing Mesh network that's now running slow and dropping...