Hello. Is it possible to make a mesh network from Mi Router 3 Pro?
From the Wiki "Mesh Wifi"
Wireless Hardware Support
Support for 802.11s (type mesh) depends on wireless driver. Most up to date open source drivers work.
Use the following to determine if your hardware supports 802.11s mesh.
iw list | grep "Supported interface modes" -A 9
Please read through before you start with this project and asking additional things. 
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