The PSA1850R from Cubic Nuvotronics is a Spiral Antenna that operates from 18 to 50 GHz. It is available in a cavity-backed package that measures ø 0.5x 1.17 inches and has a 2.4 mm connector. This antenna is ideal for wideband direction finding, radar warning receivers, interferometry, and SIGINT/ELINT applications.
The PSA1850R provides an average gain of -1 to -3 dBi and a peak gain from 3 to 7 dBi. This 2-arm antenna includes an integrated wideband balun and has a boresight axial ratio better than 2 dB. It has a return loss from 10 to 16 dB and an HPBW (Half-power Beamwidth) of 40 to 85 dB.
