Specifications: Boom Length-16' 4" Boom dia. -1 1/2" No. of elements-22 Freq. range-440-450MHZ Feed Point Impedence-50 Ohms Feed Connector- type N Power Handling-400 watts standard-1000 watts with teflon balun cable Forward Gain-15.17 dbd Front to Back ratio-28 db Beamwidth Azimuth @ 3db-26.8 degrees Beamwidth Elevation@ 3db-28.0 degrees Mast mounting dia.-1 1/4"dia. to 2" Description: Antenna is a full size 22 element wide spaced computer optimized yagi. This model has a 1/4" dia. driven element. Other elements are 3/16" dia. , all elements are solid rods. Aluminum members are 6063 and 6061 for best corrosion resistance. All hardware except U-Bolts (which are zinc coated) is stainless steel. Uses a 4:1 coaxial balun which allows the balanced feed of the antenna to be fed with 50 ohm unbalanced coaxial cable and uses superior T match system for best radiation pattern and good matching. Antenna is specifically designed for operation on the fm band (440-450MHZ) Back To 70CM Antenna Index