The HGSN28H1790 from Radio Waves is a Base Station Antenna with Frequency 27.3 to 29.5 GHz, Frequency Band 1 27.3 to 29.5 GHz, Gain 17 to 17.6 dBi, Vertical Beamwidth 6 Degree, Horizontal Beamwidth 90 Degree. Tags: Sector. More details for HGSN28H1790 can be seen below.