Medium Duty - 450 Degree Turning Radio w/Pre-set 16 Sq. Ft. (Rotor Diameter 7 1/2in, Rotor Height 12 1/2in, Mast Diameter 1 1/2 - 2 1/2in) The Yaesu G-800DXA is a weatherproof antenna rotator featuring a Wind Load of 16 Sq. Ft. and a Vertical Load of 440 lbs. This antenna rotator is made of Melamine Coated Die-Cast Aluminum and is permanently lubricated. The G-800DXA is great for rotation of moderately sized triband or monoband HF arrays. The G-800DXA also includes a Preset feature. Specifications: -Wind Load: 2m -K-Factor: 180 -Stationary Torque: 4,000kg/cm -Rotation Torque: 1,100 - 600kg/cm -Max. Vert. Load: 200kg -Max. Vert. Intermittent Load: 800kg -Backlash: 1° -Mast Size: 38 - 63 Ø -360° Rotation Time: 40 - 100sec. -Rotator Diameter x Height: 186Ø X 300 -Weight: 3.5kg -Cable Requirement: 6 Core 1 Amp