Ubiquiti Precision Alignment Kit, PAK-620

The Precision Alignment Kit is available as an optional accessory for the
RD-5G30-LW. It features 15° of azimuth adjustment and 15° of elevation
adjustment to enable extremely accurate aiming for optimal PtP link
performance.
The Precision Alignment Kit is also compatible with other dish antennas:

airFiber AF-5G30-S45
PowerBeam PBE-5AC-620
PowerBeam PBE-M5-620