The Standard Gain Horns from Narda Microwave is a family of horn antennas that operate from 1.7 to 40 GHz. They are available in multiple waveguide sizes and frequency configurations with gains of 10, 15 and 20 dBi. The antennas have a VSWR from 1.15:1 to 1.25:1 and are ideal for EMI and EMC testing applications.