The RM-BDPHA4244-21 from RF MISO is a Horn Antenna with Frequency 42 to 44 GHz, Gain 21 dBi, E Plane 13.56 to 13.95 Degree, H Plane 17.08 to 17.72 Degree, Isolation 70 dB. Tags: Pyramidal Horn Antenna. More details for RM-BDPHA4244-21 can be seen below.