What distance are the buildings apart?
The Dishes have a very narrow 'focus'. If the distance isn't to far you could use the RBwAPG-60adkit.
Or you could have two links with four Dishes. They would not interfere at all.
You Sir, are a true hero!I have created a script, which automatically checks and update if necessary, the Let's encrypt Wildcard SSL certificate on Mikrotik devices.