Front to Back Ratio: 6 to 8 dBd. Input Impedance: Single 50 Ohm Feedline. Use a 1:1 current balun that covers 52 MHZ (Not included).Rotor: TV to Heavy Duty. Element Length: 11 Ft 9 inches. Turning Radius: 6 Ft 6 inches. Mast (not inc'l): up to 2 1/8 inch. Wind Loading: 1.6 Sq. Materials: 6061-T6 Aluminum, fiberglass coils, stainless steel hardware (except large U'bolts). The item "HAM RADIO BEAM ANTENNA Model B-26 Compact Beam 20,17,15,12,10,6 Meter" is in sale since Tuesday, November 19, 2019. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Other Ham Radio Equipment". The seller is "tgmc2013" and is located in Stratford, Ontario. This item can be shipped worldwide.