TP-Link NX200 5G router as a device itself is OK but there are no EasyMesh devices on the market to create mesh network with.
EasyMesh-Compatible
Do not confuse it with Deco Mesh as I did. Deco Mesh and EasyMesh do not go together. There are basically no EasyMesh devices on the market. So being something being EasyMesh-Compatible does not add much use to the device. You can not find anything to create mesh network for this router with.
EasyMesh devices product list.
Plug & Play – Enjoy 5G network right after inserting a SIM card.
No, it is not plug & play. Every time you unplug the device you need to reconfigure it and insert PIN code for SIM. It is very inconvenient if you want to change the location for the router to test where the signal is better. Every time you need to start configuration of the router. It does not have any internal memory or battery.
Additional resources
How to add your Deco to an existing EasyMesh network and this helpful Reddit thread.
Also read this Q&A about Deco devices from Reddit.