The SAS-590-11 from AH Systems is an octave band horn antenna that operates from 2 to 4 GHz. This antenna provides a gain of up to 15 dBi and can handle up to 300 watts of avg. power and 3K watts of peak power. It has a WR-320 to N-Type female adapter at the connection interface and is matched to 50 ohms. The antenna has a low VSWR of 1.5:1 and is excellent for both immunity and emissions testing. It has been pre-calibrated up to 1 meter.