[nakulgarg22]

I'm exited to see if an array of antennas in the glass can 'beamform' in the building and increase signal strengths intelligently.

[zonkerdonker]

This device in this article seems to be mainly for serving signal outside of the building. However, devices like the one you descibe exist, such as: https://pivotalcommware.com/echo-5g/

(Full disclosure, I'm a previous employee)