The RM-BDPHA618-12 from RF MISO is a Horn Antenna with Frequency 6 to 18 GHz, Gain 12 dBi, E Plane 21.12 to 65.78 Degree, H Plane 22.65 to 60.71 Degree, Isolation 35 dB. Tags: Pyramidal Horn Antenna. More details for RM-BDPHA618-12 can be seen below.