The HPC1-18 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 33.6 to 34.5 dBi, Vertical Beamwidth 3.3 Degree, Horizontal Beamwidth 3.3 Degree. Tags: Parabolic. More details for HPC1-18 can be seen below.