The Hyperlink Universal Antenna Mount features a 90 degree Adjustable Tilt with a 5" x 7" (127 x 179 mm) wide mounting flange. The mount is designed to work with virtually any antenna that can be mast mounted and works great as a mount for satellite dishes. It can be used for roof, wall , mast or under-eave mount. The mount can be used for indoor or outdoor applications. Fully extended the 1-5/8 in. (42 mm) O.D. mounting arm is 21 inches (533 mm) HGX-UMOUNT