The HA 9251-12 from Schwarzbeck Mess - Elektronik OHG is a Horn Antenna with Frequency 0.9 to 2.2 GHz, Gain 19 to 22 dBi, E Plane 11 to 17 Degree, H Plane 14 to 19 Degree, Power 2 kW. Tags: Pyramidal Horn Antenna, Standard Horn. More details for HA 9251-12 can be seen below.