This is the ultimate Civil and Military Scanning Antenna.
We spent 12 months tweaking and designing this to get it right.
Extreme wideband bandwidth covering Civil Airband 118-140Mhz and Military Band 225-400MHz with no gaps. Unique design not seen on any other antenna on the market. 
High gain at Military Frequencies
 
Length 170cm
Supplied with Mounting Brackets to fit mast poles upto 53mm
Low Loss N Type Female connector