Don't take this. Is going to hurt.
If money would not be demolished, build a link to https://www.ubnt.com/broadband/
not with Kiev and Fastiv. There is fiber optic from them and build link. A distance of about 30km. Such links real 20-50мбит when using adult iron. The problem is guaranteed to be in the stiffness of the mast, and external disturbances.
Relief between the dots you can see on Google earth.
Actually, ask Ukrtelecom in Brusilov. Maybe they optics is - would be cheaper to hold on the guns.