A linear polarized microwave broadband antenna. The biconical elements are mounted on the usual 22mm diameter tubular balun terminated with a female precision “N” connector. Length from tip to tip of the bicon elements is 140mm & with a cage diameter of just 49mm. Overall balun length is 56cm. Weight complete is 750gm. Balun symmetry less than 0.2dB. Isotropic gain typically –1.5 to +1.5dBi. Antenna factor ranges from 43—53dB/m. Designed for microwave investigation work. Can be fed with a maximum of 10 Watts input power. A typical application of the SBA 9112 would be as a highly linear broadband nearfield probe by virtue of its small size.