The DRH18-ER from RF Spin is a Double Ridged Horn Antenna that operates from 1 to 18 GHz. This linearly polarized antenna is manufactured using a high-grade aluminum alloy and is designed for EMC/EMI testing. It can handle a CW input power of 100 W, has an antenna factor from 23 to 44 dB/m, and has a VSWR of less than 2.2:1. The antenna is equipped with a standard L-shape holder with a Gore air vent. It measures 360 x 360 x 270 mm and has an SMA-female / N-Type connector. The antenna includes an adapter with ¼ inch inner thread for mounting.