The AR-40 is for large FM-TV and compact
communication antenna arrays up to 3 square feet wind load area.
Dual 12 ball bearing race is exclusive to its class. Automatic
position sensor never needs resetting.
Fully automatic control -- just dial and touch for any desired
location. Solid state, low voltage control, safe and silent
operation. It has a maximum mast size of 2 1/16 inches. Includes
MSLD light duty lower mast support. Operates at 110V.