The HA 9251-48 from Schwarzbeck Mess - Elektronik OHG is a Horn Antenna that operates from 4 to 8 GHz. It has a gain of 17-21 dBi and an antenna factor of 25-28 dB/m. This antenna can handle a peak input power of 4 kW and has a front-to-back ratio of more than 27 dB. It has a half power beamwdith of up to 21° (E-plane) and 22° (H-plane). This linear polarized antenna is designed to provide maximum field-strength at 1 m. It is made of Aluminum and measures 492 x 164 x 224 mm and has N or 7/16 connectors.