The QSP-RC-1-18-S-SG-R is a Multi-Octave left and right hand circularly polarised spiral antenna that operates from 1 GHz to 18 GHz. It has a gain of 7 dBiC, a VSWR of less than 2.5:1 and can handle up to 2 W CW of power. The antenna has a diameter of 78mm and is available with SMA jack connectors. It is ideal for challenging applications which includes ELINT COMINT Systems, Radar Warning Receivers Systems, and Spectrum Management Antenna Arrays.