Light-Medium Duty - Azimuth+Elevation, 11 Sq. Ft. (Rotor Diameter 7 12in, Rotor Height 12 1/2in, Mast Diameter 1 1/2 - 2 1/2in, Boom Diameter 1 1/4 - 1 5/8in) The Yaesu G-5500DC is ideal for space communication antennas as well as many other amateur applications. The G-5500DC features an interface jack for computer control and a full Azimuth-Elevation rotation system with a rotation range of 180 degrees from the Elevation Rotator and a turning range of 450 degrees from the Azimuth Rotator. Specifications: -Wind Load: 1m -K-Factor: 60 -Stationary Torque: AZ:4,000kg/cm EL:4000kg/cm -Rotation Torque: AZ: 600kg/cm EL:1,400kg/cm -Max. Vert. Load: 30kg -Max. Vert. Intermittent Load: 100kg -Backlash: AZ:1° EL:1° -Mast Size: AZ:38 - 62 Ø EL:AZ:38 - 62 Ø -360° Rotation Time: AZ:70sec/50Hz 58sec/60Hz -180° Elevation Time: EL:80sec/50Hz 67sec/60Hz -Boom Diameter: EL 32 - 43Ø -Rotator Diameter x Height: 186Ø x 254(W) X 350 (H) -Weight: 7.8kg -Cable Requirement: 2 x 6