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HBE-J-ARM-18″-MD J-arm mount clamped to a mast, showing the tilting bracket and the two hose clamps

5G Accessories · Mounting Hardware

J-Arm Medium-Duty Universal 18-inch Mount

Reversible steel J-arm, 18.2 in (462 mm) tall with 150° of tilt, for putting an antenna, a bridge or a small dish on a wall or a roof.

Model HBE-J-ARM-18″-MD
$22.39 SKU HBE-J-ARM-18″-MD

Overview

Get your outdoor antenna or wireless equipment exactly where it needs to be with the HBE J-Arm. Designed for installations where a wall or roof doesn’t provide a suitable mounting point, the J-Arm extends your equipment beyond the building to provide a clearer line of sight and better positioning.

Its adjustable and reversible design makes installation flexible across flat walls, gable ends, and pitched roofs, while the sturdy round mounting pole supports compatible outdoor radios and antennas. Whether you’re setting up 5G equipment, Wi-Fi, or a wireless bridge, the HBE J-Arm gives you a secure, practical way to get your equipment above and away from the structure.

  • Steel
  • Rust-resistant finish
  • 18.2 in (462 mm)
  • 1.62 in mast OD
  • 150° tilt
  • Reversible
  • Mounting Hardware Included
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Continental U.S. Only — Online purchases are currently available to residents of the Continental United States only.

About the HBE-J-ARM-18″-MD

The HBE-J-ARM-18″-MD is a reversible J-pole bracket for carrying an antenna, a wireless bridge, a Wi-Fi extender, a small dish or a weather station on the outside of a building. It goes up on a wall or a roof with ordinary hand tools.

The arm stands 18.2 in (462 mm) with an overall depth of 8 in (203 mm), and the pivot carries 150° of travel, so the mast can be brought back to vertical on a pitched roof or angled out from under an eave. The mast tube is 1.62 in (41 mm) outside diameter over a 1.49 in (38 mm) bore, and the base plate is 4.72 in × 6.89 in (120 mm × 175 mm) with slots rather than plain holes, so the arm can be squared up before the bolts are pulled tight. It is steel with a rust-resistant white finish.

It is sold singly — one arm, with the clamps and wall fixings it needs.

What’s in the box

  • 1 × J-arm and its bracket
  • 2 × hose clamps
  • 4 × expansion anchors
  • 4 × wall plugs
  • 4 × screws
  • 1 × instruction manual