The PS-SL-AZ-SL-EL-PL-20 from Smitek is a Antenna Positioner with Max Load Capacity 50 kg, Rotation Speed 10 RPM. Tags: Rotary Positioners, Azimuth Positioners, Multi Axis Positioners, Linear Positioners. More details for PS-SL-AZ-SL-EL-PL-20 can be seen below.