The HPC3-18 from Radio Waves is a Base Station Antenna with Frequency 17.7 to 19.7 GHz, Frequency Band 1 17.7 to 19.7 GHz, Gain 41.8 to 42.8 dBi, Vertical Beamwidth 1.2 Degree, Horizontal Beamwidth 1.2 Degree. Tags: Parabolic. More details for HPC3-18 can be seen below.