The RM-BDPHA1840-15A from RF MISO is a Horn Antenna with Frequency 18 to 40 GHz, Gain 15 dBi, E Plane 27.62 to 40.40 Degree, H Plane 19.7 to 36.38 Degree, Isolation 40 dB. Tags: Pyramidal Horn Antenna. More details for RM-BDPHA1840-15A can be seen below.