The HA 9251-24 from Schwarzbeck Mess - Elektronik OHG is a Horn Antenna with Frequency 1.9 to 4.6 GHz, Gain 17 to 20 dBi, E Plane 11 to 17 Degree, H Plane 14 to 19 Degree, Power 1 to 2 kW. Tags: Pyramidal Horn Antenna, Standard Horn. More details for HA 9251-24 can be seen below.