The SP3-2.1 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 22.1 to 23.8 dBi, Vertical Beamwidth 11 Degree, Horizontal Beamwidth 11 Degree. Tags: Parabolic. More details for SP3-2.1 can be seen below.