Ubiquiti PowerBeam AC PBE-5AC-620 Quick Start Manual page 11

9. Attach the Stabilizer Brackets to the pole just beneath the
area where the PowerBeam will be attached.
Note:
a Ø 38 ‑ 101 mm pole.
a. Place one Stabilizer Bracket on each side of the pole.
b. Insert the two M10x100 Bolts into the Stabilizer Brackets.
c. Secure each bolt with one M10 Flange Nut.
The pole-bracket assembly can accommodate
50 N · m