The HA 9251-48 from Schwarzbeck Mess - Elektronik OHG is a Horn Antenna with Frequency 3.7 to 8.5 GHz, Gain 17 to 21 dBi, E Plane 12 to 21 Degree, H Plane 13 to 22 Degree, Peak Power 5 kW. Tags: Pyramidal Horn Antenna, Standard Horn. More details for HA 9251-48 can be seen below.