The SP6-2.1 from Radio Waves is a Base Station Antenna with Frequency 1.9 to 2.3 GHz, Frequency Band 1 1.9 to 2.3 GHz, Gain 27.1 to 28.8 dBi, Vertical Beamwidth 5.6 Degree, Horizontal Beamwidth 5.6 Degree. Tags: Parabolic. More details for SP6-2.1 can be seen below.