Questions about MediaPad M3

The tablet updated to EMUI 5.0.1 with Android version 7

Or cheaper and with built-in holder for tablet:
Logitech Multi-Device Keyboard K480 (Bluetooth, CH, Wireless)

Since the Huawei has no HDMI output, the only options are Chromecast or Miracast, since Android 4.2.
I use a/the Miracast app and the "Microsoft Wireless Display Adapter V2" from Digitec on the monitor, tested and running!
It doesn't need a company LAN or any LAN permissions, uses a peer-to-peer radio Intel standard.
Included on almost all business NBs.
New Smart TVs should already be able to do

Yes, the equipment is identical for both models, but without the 4G module.