Ubiquiti Networks UniF AP AC Outdoor - Manual (Page 7)

Hardware Installation
The recommended mounting of the UniFi AP AC Outdoor is
on a pole. Optionally, the UniFi AP may be installed on a wall
using additional hardware.
Pole Mount
1. Insert two Carriage Bolts into each Pole Clamp and install
the Flange Nuts as far down the bolts as necessary to
accommodate the pole.
Note: The mounting assembly can accommodate a
Ø 1.5" - 3.0" pole.
2. Attach one of the Pole Clamps to the pole by sliding the
Carriage Bolts around the pole and into the top two slots of
the Mounting Bracket.